Open Access. Powered by Scholars. Published by Universities.®
- Institution
-
- University of Nebraska - Lincoln (1415)
- Department of Primary Industries and Regional Development, Western Australia (101)
- Utah State University (12)
- University of Arkansas, Fayetteville (7)
- California Polytechnic State University, San Luis Obispo (5)
-
- Stephen F. Austin State University (4)
- Harrisburg University of Science and Technology (3)
- Tuskegee University (3)
- University of Connecticut (3)
- Louisiana State University (2)
- Missouri State University (2)
- University of Richmond (2)
- Cal Poly Humboldt (1)
- California State University, San Bernardino (1)
- Chapman University (1)
- Claremont Colleges (1)
- Clemson University (1)
- Indiana State University (1)
- Mississippi State University (1)
- Murray State University (1)
- Regis University (1)
- The University of San Francisco (1)
- United Arab Emirates University (1)
- University of Kentucky (1)
- University of Lynchburg (1)
- University of Rhode Island (1)
- Virginia Commonwealth University (1)
- West Virginia University (1)
- Keyword
-
- Maize (36)
- Soybean (33)
- Rice (21)
- Sorghum (19)
- Yield (17)
-
- Genomic prediction (15)
- Wheat (14)
- Abiotic stress (11)
- Cover crops (11)
- Drought (11)
- Genomic selection (11)
- Nitrogen (11)
- Yield gap (11)
- Yield potential (11)
- Food security (10)
- GWAS (10)
- GenPred (10)
- Corn (9)
- Irrigation (9)
- Bioenergy (8)
- Climate change (8)
- Machine learning (8)
- Western Australia (8)
- Glycine max (7)
- Woody encroachment (7)
- Agriculture (6)
- Biomass (6)
- Genomics (6)
- Heat stress (6)
- Horticulture (6)
- Publication Year
- Publication
-
- Department of Agronomy and Horticulture: Faculty Publications (988)
- NEBLINE Newsletter Archive from Nebraska Extension in Lancaster County (390)
- Lupin Logic (87)
- Department of Agronomy and Horticulture: Dissertations, Theses, and Student Research (28)
- All Current Publications (9)
-
- Journal of the Department of Agriculture, Western Australia, Series 4 (5)
- Master's Theses (4)
- Harrisburg University Presidential Research Grants (3)
- Legume Logic (3)
- Professional Agricultural Workers Journal (3)
- Agronomy & Horticulture -- Faculty Publications (2)
- All Graduate Reports and Creative Projects, Fall 2023 to Present (2)
- Biology Faculty Publications (2)
- Bulletins 4000 - (2)
- Department of Environmental Studies: Undergraduate Student Theses (2)
- Electronic Theses and Dissertations (2)
- Graduate Theses and Dissertations (2)
- Graduate Theses/Dissertations (2)
- Horticulture Faculty Publications and Presentations (2)
- Horticulture Undergraduate Honors Theses (2)
- Lone Star Regional Native Plant Conference (2)
- Nebraska Agricultural Experiment Station: Historical Research Bulletins (2)
- Storrs Agricultural Experiment Station (2)
- Theses and Dissertations (2)
- 2021 Spring Reports (Sullivan) (1)
- All Graduate Theses and Dissertations, Spring 1920 to Summer 2023 (1)
- All Theses (1)
- All other publications (1)
- Archives & Reprint Series (imprint) (1)
- Biology, Chemistry, and Environmental Sciences Faculty Articles and Research (1)
- Publication Type
Articles 391 - 420 of 1575
Full-Text Articles in Horticulture
Using Ndvi To Differentiate Wheat Genotypes Productivity Under Dryland And Irrigated Conditions, Mohammed A. Naser, Raj Khosla, Louis Longchamps, Subash Dahal
Using Ndvi To Differentiate Wheat Genotypes Productivity Under Dryland And Irrigated Conditions, Mohammed A. Naser, Raj Khosla, Louis Longchamps, Subash Dahal
Department of Agronomy and Horticulture: Faculty Publications
Crop breeders are looking for tools to facilitate the screening of genotypes in field trials. Remote sensing-based indices such as normalized difference vegetative index (NDVI) are sensitive to biomass and nitrogen (N) variability in crop canopies. The objectives of this study were (i) to determine if proximal sensor-based NDVI readings can differentiate the yield of winter wheat (Triticum aestivum L.) genotypes and (ii) to determine if NDVI readings can be used to classify wheat genotypes into grain yield productivity classes. This study was conducted in northeastern Colorado in 2010 and 2011. The NDVI readings were acquired weekly from March to …
Nebline, March 2020
NEBLINE Newsletter Archive from Nebraska Extension in Lancaster County
Nutrition Education Program Fosters Healthy Families and Communities
Everyone Counts. 2020 Census
Recipes of the Month
Private Applicator Trainings, March 9 & 10
Southeast Nebraska Soil Health Conference, March 3
Dicamba Training, March 10
Recent Workshop Recordings Online
Pruning to Create Strength and Good Structure in Young Trees
Bug Word Search
Avoid Unwanted Guests at Your Bird Feeders
2020 All-America Selections Vegetable Winners
Garden Guide: Things to Do This Month
Look Who's Hatching Program for Childcare Centers "Incubates" Imagination
Heart of 4-H Volunteer Award: Clayton Haman
4-H Announcements for 4-H'ers and Volunteers
4-H Achievement Celebration
Extension Calendar
4-H Horse Hippology …
The State Of Sustainable Agriculture And Agroecology Research And Impacts: A Survey Of U.S. Scientists, Marcia Delonge, Tali Robbins, Andrea Basche, Lindsey Haynes-Maslow
The State Of Sustainable Agriculture And Agroecology Research And Impacts: A Survey Of U.S. Scientists, Marcia Delonge, Tali Robbins, Andrea Basche, Lindsey Haynes-Maslow
Department of Agronomy and Horticulture: Faculty Publications
A growing body of research suggests that although sustainable agriculture, particularly agroecology, can address challenges such as those related to climate change, ecosystem services, food insecurity, and farmer livelihoods, the transition to such systems remains limited. To gain insight into the state of U.S. sustainable agriculture and agroecology, we developed a 28-question mixed-method survey that was administered to scientists in these fields. Respondents (N=168) represented diverse locations, institutions, and career stages. They offered varied definitions of sustainable agriculture, with 40% considering economic and social well-being to be core components. Respondents identified the amount and duration of public research funding as …
Nebline, February 2020
NEBLINE Newsletter Archive from Nebraska Extension in Lancaster County
High-Quality Early Child Care Is Important to Children and Communities
Taking Part is Your Civic Duty
Sweet Ideas Without Added Sugar
Berry Fun
Recipes of the Month
Pesticide Applicator Trainings
Growing Nut Trees Seminar, Feb. 20
Landlord/Tenant Cash Rent Workshop, Feb. 3
ProHort Lawn & Landscape Update
Southeast Nebraska Soil Health Conference, March 3
Backyard Bird Feeding Tips
Positive Change on Environmental Issues
What Do the Three Arrows of Recycling Mean?
2020 Flower All-America Selections
Garden Guide: Things to Do This Month
Lincoln Littles Early Childhood Education Initiative
Lincoln Early Childhood Conference
HEART OF 4-H
Meet 2019–2020 4-H Teen Council …
Restoring The Fire–Grazing Interaction Promotes Tree–Grass Coexistence By Controlling Woody Encroachment, Jane F. Capozzelli, James R. Miller, Diane M. Debinski, Walter H. Schacht
Restoring The Fire–Grazing Interaction Promotes Tree–Grass Coexistence By Controlling Woody Encroachment, Jane F. Capozzelli, James R. Miller, Diane M. Debinski, Walter H. Schacht
Department of Agronomy and Horticulture: Faculty Publications
Woody encroachment can convert grasslands and savannas to shrublands and woodlands, so understanding the processes which regulate woody encroachment is necessary to conserve or restore these ecosystems.We hypothesized that recreating the fire–grazing interaction would limit woody encroachment because focal grazing increases fuel accumulation on unburned areas and increases browsing on emergent woody plants in burned areas. This study was conducted in the Grand River Grasslands of Iowa and Missouri (USA) on 11 sites (15.4–35.0 ha). Each site was assigned to one treatment: patch-burn-graze (n = 4), with spatially discrete prescribed fires and free access by cattle (the fire–grazing interaction); graze-andburn …
Combination Of Biological And Chemical Soil Tests Best Predict Maize Nitrogen Response, M. D. Mcdaniel, Daniel T. Walters, L. G. Bundy, Xiaofei Li, Rhae A. Drijber, John E. Sawyer, Michael J. Castellano, C. A.M. Laboski, Peter C. Scharf
Combination Of Biological And Chemical Soil Tests Best Predict Maize Nitrogen Response, M. D. Mcdaniel, Daniel T. Walters, L. G. Bundy, Xiaofei Li, Rhae A. Drijber, John E. Sawyer, Michael J. Castellano, C. A.M. Laboski, Peter C. Scharf
Department of Agronomy and Horticulture: Faculty Publications
Soil tests can help optimize nitrogen (N) fertilizer rates, thereby improving farmer profitability and environmental performance. In US Midwest maize (Zea mays) production, however, most soil N tests have limited accuracy to predict N fertilizer requirements. Here we tested the individual and combined ability of 30 soil tests (12 rapid N extractions, seven biological carbon or N tests, six long-term incubation kinetic parameters, and five other routine soil tests), as well as environmental and management data, to predict maize response to N fertilizer across 56 site-years in the US Midwest. Out of 30 soil tests, and across all …
Soybean Response To Water: Trait Identification And Prediction, Shawn Jenkins
Soybean Response To Water: Trait Identification And Prediction, Shawn Jenkins
Department of Agronomy and Horticulture: Dissertations, Theses, and Student Research
The rising demand for soybean [Glycine Max (L.) Merrill] taken in consideration with current climatic trends accentuates the importance of improving soybean seed yield response per unit water (WP). To further our understanding of the quantitative WP trait, a multi-omic approach was implemented for improved trait identification and predictive modeling opportunities. Through the evaluation of two recombinant inbred line populations jointly totaling 439 lines subjected to contrasting irrigation treatments, informative agronomic, phenomic, and genomic associations were identified. Across both populations, relationships were identified between lodging at maturity (r = -0.58, H = 0.86), canopy to air temperature differential …
Enhancing Hybrid Prediction In Pearl Millet Using Genomic And/Or Multi- Environment Phenotypic Information Of Inbreds, Diego Jarquin, Reka Howard, Zhikai Liang, Shashi K. Gupta, James C. Schnable, Jose Crossa
Enhancing Hybrid Prediction In Pearl Millet Using Genomic And/Or Multi- Environment Phenotypic Information Of Inbreds, Diego Jarquin, Reka Howard, Zhikai Liang, Shashi K. Gupta, James C. Schnable, Jose Crossa
Department of Agronomy and Horticulture: Faculty Publications
Genomic selection (GS) is an emerging methodology that helps select superior lines among experimental cultivars in plant breeding programs. It offers the opportunity to increase the productivity of cultivars by delivering increased genetic gains and reducing the breeding cycles. This methodology requires inexpensive and sufficiently dense marker information to be successful, and with whole genome sequencing, it has become an important tool in many crops. The recent assembly of the pearl millet genome has made it possible to employ GS models to improve the selection procedure in pearl millet breeding programs. Here, three GS models were implemented and compared using …
Long-Term Ecological Research In Southern Brazil Grasslands: Effects Of Grazing Exclusion And Deferred Grazing On Plant And Arthropod Communities, Pedro M.A. Ferreira, Bianca O. Andrade, Luciana R. Podgaiski, Amanda C. Dias, Valerio D. Pillar, Gerhard E. Overbeck, Milton De S. Mendonca Jr., Ilsi I. Boldrini
Long-Term Ecological Research In Southern Brazil Grasslands: Effects Of Grazing Exclusion And Deferred Grazing On Plant And Arthropod Communities, Pedro M.A. Ferreira, Bianca O. Andrade, Luciana R. Podgaiski, Amanda C. Dias, Valerio D. Pillar, Gerhard E. Overbeck, Milton De S. Mendonca Jr., Ilsi I. Boldrini
Department of Agronomy and Horticulture: Faculty Publications
Grazing exclusion may lead to biodiversity loss and homogenization of naturally heterogeneous and species-rich grassland ecosystems, and these effects may cascade to higher trophic levels and ecosystem properties. Although grazing exclusion has been studied elsewhere, the consequences of alleviating the disturbance regime in grassland ecosystems remain unclear. In this paper, we present results of the first five years of an experiment in native grasslands of southern Brazil. Using a randomized block experimental design, we examined the effects of three grazing treatments on plant and arthropod communities: (i) deferred grazing (i.e., intermittent grazing), (ii) grazing exclusion and (iii) a control under …
Editorial: New Insights Into Mechanisms Of Epigenetic Modifiers In Plant Growth And Development, Ming Luo, Gabino Ríos, Tomasz Jacek Sarnowski, Shoudong Zhang, Nitin Mantri, Jean-Benoit Charron, Marc Libault
Editorial: New Insights Into Mechanisms Of Epigenetic Modifiers In Plant Growth And Development, Ming Luo, Gabino Ríos, Tomasz Jacek Sarnowski, Shoudong Zhang, Nitin Mantri, Jean-Benoit Charron, Marc Libault
Department of Agronomy and Horticulture: Faculty Publications
In eukaryotic cells, chromatin, a highly dynamic nucleoprotein complex, plays a critical role in controlling gene expression notably by regulating the interaction between transcription factors and regulatory elements. The structure of the chromatin is determined by epigenetic mechanisms, including DNA methylation, histone modifications, and chromatin remodeling. A growing body of evidence indicates that epigenetic regulations are involved in plant adaptation to environmental stresses, and in plant development, including flowering control, fruit and root development, as well as seed maturation and germination. Furthermore, epigenetic mechanisms have the potential to stabilize cell identity and maintain tissue organization. Hence, epigenetic diversity is now …
Yield And Quality In Purple-Grained Wheat Isogenic Lines, Alexey Morgounov, Yasar Karaduman, Beyhan Akin, Sinan Aydogan, Peter Stephen Baenziger, Madhav Bhatta, Vladimir Chudinov, Susanne Dreisigacker, Velu Govindan, Safure Güler, Carlos Guzman, Ajit Nehe, Rachana Poudel, Devin J. Rose, Elena Gordeeva, Vladimir Shamanin, Kemal Subasi, Yuriy Zelenskiy, Elena Khlestkina
Yield And Quality In Purple-Grained Wheat Isogenic Lines, Alexey Morgounov, Yasar Karaduman, Beyhan Akin, Sinan Aydogan, Peter Stephen Baenziger, Madhav Bhatta, Vladimir Chudinov, Susanne Dreisigacker, Velu Govindan, Safure Güler, Carlos Guzman, Ajit Nehe, Rachana Poudel, Devin J. Rose, Elena Gordeeva, Vladimir Shamanin, Kemal Subasi, Yuriy Zelenskiy, Elena Khlestkina
Department of Agronomy and Horticulture: Faculty Publications
Breeding programs for purple wheat are underway in many countries but there is a lack of information on the effects of Pp (purple pericarp) genes on agronomic and quality traits in variable environments and along the product chain (grain-flour-bread). This study was based on unique material: two pairs of isogenic lines in a spring wheat cv. Saratovskaya-29 (S29) background differing only in Pp genes and grain color. In 2017, seven experiments were conducted in Kazakhstan, Russia, and Turkey with a focus on genotype and environment interaction and, in 2018, one experiment in Turkey with a focus on grain, flour, and …
The Land Variational Ensemble Data Assimilation Framework: Lavendar V1.0.0, Ewan Pinnington, Tristan Quaife, Amos Lawless, Karina Williams, Tim Arkebauer, David Scoby
The Land Variational Ensemble Data Assimilation Framework: Lavendar V1.0.0, Ewan Pinnington, Tristan Quaife, Amos Lawless, Karina Williams, Tim Arkebauer, David Scoby
Department of Agronomy and Horticulture: Faculty Publications
The Land Variational Ensemble Data Assimilation Framework (LAVENDAR) implements the method of fourdimensional ensemble variational (4D-En-Var) data assimilation (DA) for land surface models. Four-dimensional ensemble variational data assimilation negates the often costly calculation of a model adjoint required by traditional variational techniques (such as 4D-Var) for optimizing parameters or state variables over a time window of observations. In this paper we present the first application of LAVENDAR, implementing the framework with the Joint UK Land Environment Simulator (JULES) land surface model. We show that the system can recover seven parameters controlling crop behaviour in a set of twin experiments. We …
Adaptive Capacity In Ecosystems, David G. Angeler, Hannah Fried-Petersen, Craig R. Allen, Ahjond Garmestani, Dirac L. Twidwell Jr, H.E. Birgé, W. Chuang, V. M. Donovan, T. Eason, C.P. Roberts, S.M. Sundstrom, C.L. Wonkka
Adaptive Capacity In Ecosystems, David G. Angeler, Hannah Fried-Petersen, Craig R. Allen, Ahjond Garmestani, Dirac L. Twidwell Jr, H.E. Birgé, W. Chuang, V. M. Donovan, T. Eason, C.P. Roberts, S.M. Sundstrom, C.L. Wonkka
Department of Agronomy and Horticulture: Faculty Publications
Understanding the adaptive capacity of ecosystems to cope with change is crucial to management. However, unclear and often confusing definitions of adaptive capacity make application of this concept difficult. In this paper, we revisit definitions of adaptive capacity and operationalize the concept. We define adaptive capacity as the latent potential of an ecosystem to alter resilience in response to change. We present testable hypotheses to evaluate complementary attributes of adaptive capacity that may help further clarify the components and relevance of the concept. Adaptive sampling, inference and modeling can reduce key uncertainties incrementally over time and increase learning about adaptive …
Characterization Of The Transcriptional Divergence Between The Subspecies Of Cultivated Rice (Oryza Sativa), Malachy T. Campbell, Qian Du, Kan Li, Sandeep Sharma, Chi Zhang, Harkamal Walia
Characterization Of The Transcriptional Divergence Between The Subspecies Of Cultivated Rice (Oryza Sativa), Malachy T. Campbell, Qian Du, Kan Li, Sandeep Sharma, Chi Zhang, Harkamal Walia
Agronomy & Horticulture -- Faculty Publications
Background: Cultivated rice consists of two subspecies, Indica and Japonica, that exhibit well-characterized differences at the morphological and genetic levels. However, the differences between these subspecies at the transcriptome level remains largely unexamined. Here, we provide a comprehensive characterization of transcriptome divergence and cis-regulatory variation within rice using transcriptome data from 91 accessions from a rice diversity panel (RDP1).
Results: The transcriptomes of the two subspecies of rice are highly divergent. Japonica have significantly lower expression and genetic diversity relative to Indica, which is likely a consequence of a population bottleneck during Japonica domestication. We leveraged high-density genotypic data and …
Nebline, January 2020
NEBLINE Newsletter Archive from Nebraska Extension in Lancaster County
2019 Extension Highlights
Benefit to People
Extension’s Volunteers Worth Over $800,000
Resilience Makes Nebraska Strong
35,312 Youth Engaged in 4-H Programs
Find Tips and Recipes Easier at food.unl.edu
Recipe of the Month
UNL Food Processing Center Offers Assistance to Small Food Business Start-ups
Pesticide Applicator 2020 Training Dates
Successful Farmer Series Starts Jan. 10
Landlord/Tenant Cash Rent Workshop, Feb. 3
Soil Health Conference, March 3
Upcoming Green Industry Conferences
Extension’s 2020 Master Gardener Trainings, Two Sites Available
Garden Guide Things to Do This Month
Childcare Professionals — Considering Outdoor Play in Winter?
Upcoming Early Childhood Trainings
Heart of 4-H Volunteer …
Dicamba Retention In Commercial Sprayers Following Triple Rinse Cleanout Procedures, And Soybean Response To Contamination Concentrations, Frances B. Browne, Xiao Li, Katilyn J. Price, Jianping Wang, Yi Wang, Greg R. Kruger, Jeff Golus, Gabrielle De Castro Macedo, Bruno C. Vieira, Tyler Sandlin
Dicamba Retention In Commercial Sprayers Following Triple Rinse Cleanout Procedures, And Soybean Response To Contamination Concentrations, Frances B. Browne, Xiao Li, Katilyn J. Price, Jianping Wang, Yi Wang, Greg R. Kruger, Jeff Golus, Gabrielle De Castro Macedo, Bruno C. Vieira, Tyler Sandlin
Department of Agronomy and Horticulture: Faculty Publications
The commercial launch of dicamba‐tolerant (DT) crops has resulted in increased dicamba usage and a high number of dicamba off‐target movement complaints on sensitive soybeans (Glycine max L.). Dicamba is a synthetic auxin and low dosages as 0.028 g ae ha−1 can induce injury on sensitive soybean. Tank contamination has been identified as one of the sources for unintended sensitive crop exposure. The labels of new dicamba formulations require a triple rinse cleanout procedure following applications. Cleanout efficacy might vary based on the sprayer type and procedure followed. This study was performed to quantify dicamba retention in commercial sprayers and …
Improving On Modis Mcd64a1 Burned Area Estimates In Grassland Systems: A Case Study In Kansas Flint Hills Tall Grass Prairie, Rheinhardt Scholtz, Jayson Prentice, Yao Tang, Dirac Twidwell
Improving On Modis Mcd64a1 Burned Area Estimates In Grassland Systems: A Case Study In Kansas Flint Hills Tall Grass Prairie, Rheinhardt Scholtz, Jayson Prentice, Yao Tang, Dirac Twidwell
Department of Agronomy and Horticulture: Faculty Publications
Uncertainty in satellite-derived burned area estimates are especially high in grassland systems, which are some of the most frequently burned ecosystems in the world. In this study, we compare differences in predicted burned area estimates for a region with the highest fire activity in North America, the Flint Hills of Kansas, USA, using the moderate resolution imaging spectroradiometer (MODIS) MCD64A1 burned area product and a customization of the MODIS MCD64A1 product using a major ground-truthing effort by the Kansas Department of Health and Environment (KDHE-MODIS customization). Local-scale ground-truthing and the KDHE-MODIS product suggests MODIS burned area estimates under predicted fire …
A Comparison Of Media To Determine Optimal Growth In Aquaponics, Rachel L. Fogle, Andrea Nagy, Allison Bernard, Jordan Brown, Samantha Delvalle-Trinh, James Shuler
A Comparison Of Media To Determine Optimal Growth In Aquaponics, Rachel L. Fogle, Andrea Nagy, Allison Bernard, Jordan Brown, Samantha Delvalle-Trinh, James Shuler
Harrisburg University Presidential Research Grants
No abstract provided.
Benchmarking The Agronomic Performance Of Biodegradable Mulches Against Polyethylene Mulch Film: A Meta‐Analysis, Mauro B.D. Tofanelli, Samuel E. Wortman
Benchmarking The Agronomic Performance Of Biodegradable Mulches Against Polyethylene Mulch Film: A Meta‐Analysis, Mauro B.D. Tofanelli, Samuel E. Wortman
Department of Agronomy and Horticulture: Faculty Publications
Growers are interested in biodegradable alternatives to petroleum‐based polyethylene mulch film (PEM). However, many growers cite limited knowledge about biodegradable mulch films (BDMs) as a significant barrier to adoption. Agronomic field tests of BDMs are often limited temporally or spatially, and the variability of performance results relative to PEM may be contributing to this perceived knowledge gap. Our objective was to use data available in the scientific literature to provide the first quantitative performance benchmark of BDMs against PEM. We extracted data from 66 articles for meta‐analysis. Response ratios were calculated for comparison of BDMs relative to black PEM, and …
Growth And Development, From: Forages: The Science Of Grassland Agriculture, Volume Ii, Robert B. Mitchell, Daren Redfearn, Kenneth J. Moore
Growth And Development, From: Forages: The Science Of Grassland Agriculture, Volume Ii, Robert B. Mitchell, Daren Redfearn, Kenneth J. Moore
Department of Agronomy and Horticulture: Faculty Publications
The growth and development of forage plants is an amazing process. In some annual grasses such as cereal rye, plants can go from the late vegetative stage to fully-flowered in less than two weeks. Conversely, some perennial grasses like indiangrass can go from the vegetative stage to the elongation stage, then enter a quiescent phase for several weeks until adequate moisture is available which then moves plants into the flowering stages to complete the seed production process. Understanding the developmental morphology of forage plants is important for making good management decisions. Many such decisions involve timing the initiation or termination …
Land-Use Type As A Driver Of Large Wildfire Occurrence In The U.S. Great Plains, Victoria M. Donovan, Carissa L. Wonkka, David A. Wedin, Dirac Twidwell
Land-Use Type As A Driver Of Large Wildfire Occurrence In The U.S. Great Plains, Victoria M. Donovan, Carissa L. Wonkka, David A. Wedin, Dirac Twidwell
Department of Agronomy and Horticulture: Faculty Publications
Wildfire activity has surged in North America’s temperate grassland biome. Like many biomes, this system has undergone drastic land-use change over the last century; however, how various land-use types contribute to wildfire patterns in grassland systems is unclear. We determine if certain land-use types have a greater propensity for large wildfire in the U.S. Great Plains and how this changes given the percentage of land covered by a given land-use type. Almost 90% of the area burned in the Great Plains occurred in woody and grassland land-use types. Although grassland comprised the greatest area burned by large wildfires, woody vegetation …
A Justification For Continued Management Of Turfgrass During Economic Contraction, James T. Brosnan, Ambika Chandra, Roch E. Gaussoin, Alec Kowalewski, Bernd Leinauer, Frank S. Rossi, Douglas J. Soldat, John C. Stier, J. Bryan Unruh
A Justification For Continued Management Of Turfgrass During Economic Contraction, James T. Brosnan, Ambika Chandra, Roch E. Gaussoin, Alec Kowalewski, Bernd Leinauer, Frank S. Rossi, Douglas J. Soldat, John C. Stier, J. Bryan Unruh
Department of Agronomy and Horticulture: Faculty Publications
A novel coronavirus, termed COVID-19, spread worldwide and become a global pandemic in 2020. Forecasts show that COVID-19 will cause substantial economic contraction affecting almost every industry. Managed turfgrass, particularly in urban settings, has many positive societal and environmental benefits. In a contracted economy, will resources be available to manage turfgrass to achieve these benefits? In this paper, we outline the benefits of managed turfgrass on golf courses, playing fields, recreational parks, and urban landscapes to assist decision makers with resource allocation in the COVID-19 era.
Training Future Agriculture Professionals In Landowner–Tenant Conservation Decision-Making, Andrea Basche, Angie Carter
Training Future Agriculture Professionals In Landowner–Tenant Conservation Decision-Making, Andrea Basche, Angie Carter
Department of Agronomy and Horticulture: Faculty Publications
The landowner–tenant relationship is important to the implementation of conser- vation on agricultural lands. Women own or co-own a significant portion of U.S. farmland yet are underrepresented in conservation research. The next generation of agriculture professionals can benefit from first-hand experience in assisting women landowners and their tenants in navigating the complexities of conser- vation decision-making. This article analyzes undergraduate student perceptions of landowner–tenant relationships in conservation management through their engagement in case studies with women landowner–tenant pairs in the Western Corn Belt. Student groups were asked to complete a management improvement plan that both incorporated the agronomic and conservation …
Winter Cover Crop Root Biomass Yield In Corn And Soybean Systems, Sabrina J. Ruis, Humberto Blanco-Canqui, Katja Koehler-Cole, Paul J. Jasa, G. Slater, Roger W. Elmore, Richard B. Ferguson
Winter Cover Crop Root Biomass Yield In Corn And Soybean Systems, Sabrina J. Ruis, Humberto Blanco-Canqui, Katja Koehler-Cole, Paul J. Jasa, G. Slater, Roger W. Elmore, Richard B. Ferguson
Department of Agronomy and Horticulture: Faculty Publications
Cover crop (CC) roots are critical for soil ecosystem service delivery including soil stabilization, C and nutrient cycling, soil health improvement, and others. However, most CC studies only evaluate CC aboveground biomass yield, neglecting the belowground portion of the plant. The objectives of this study were to quantify the impacts of (a) CC planting (pre- and post-harvest) dates and (b) early (2–4 wk before main crop planting) and late (at main crop planting) CC termination with and without corn (Zea mays L.) residue removal on root biomass yield. We assessed the effects of CC planting or termination dates on root …
Evaluating The Impact Of Grafting On Local Tomato Production In Nebraska, Raihanah Hassim, Samuel E. Wortman, Ashley A. Thompson, Stacy A. Adams
Evaluating The Impact Of Grafting On Local Tomato Production In Nebraska, Raihanah Hassim, Samuel E. Wortman, Ashley A. Thompson, Stacy A. Adams
Department of Agronomy and Horticulture: Dissertations, Theses, and Student Research
Grafting has been successfully used in vegetable production for tomatoes, peppers, eggplants, cucumbers, and watermelon. Besides its usefulness for managing soil-borne diseases, grafting can improve nutrient uptake and yield. However, few studies have assessed the effects of grafting and soil fertility management on yield of open field-grown tomatoes in the Midwest. Therefore, the objective of this two-year research was to better document the effects of grafting heirloom and hybrid tomato cultivar onto hybrid tomato rootstocks on tomato yield and quality. The field experiments were located at the University of Nebraska Lincoln - East Campus in Lincoln, West Central Research and …
The Lateral Root Density Gene Regulates Root Growth During Water Stress In Wheat, Dante F. Placido, Jaspreet Sandhu, Shirley Sato, Natalya Nersesian, Truyen Quach, Thomas E. Clemente, Paul E. Staswick, Harkamal Walia
The Lateral Root Density Gene Regulates Root Growth During Water Stress In Wheat, Dante F. Placido, Jaspreet Sandhu, Shirley Sato, Natalya Nersesian, Truyen Quach, Thomas E. Clemente, Paul E. Staswick, Harkamal Walia
Department of Agronomy and Horticulture: Faculty Publications
Drought stress is the major limiting factor in agriculture. Wheat, which is the most widely grown crop in the world, is predominantly cultivated in drought-prone rainfed environments. Since roots play a critical role in water uptake, root response to water limitations is an important component for enhancing wheat adaptation. In an effort to discover novel genetic sources for improving wheat adaptation, we characterized a wheat translocation line with a chromosomal segment from Agropyron elongatum, a wild relative of wheat, which unlike common wheat maintains root growth under limited-water conditions. By exploring the root transcriptome data, we found that reduced …
Rhizosphere Microbiome Of Arid Land Medicinal Plants And Extra Cellular Enzymes Contribute To Their Abundance, Abdul Latif Khan, Sajjad Asaf, Raeid M. M. Abed, Yen Ning Chai, Ahmed N. Al-Rawahi, Tupan Kumar Mohanta, Ahmed Al-Rawahi, Daniel P. Schachtman, Ahmed Al-Harrasi
Rhizosphere Microbiome Of Arid Land Medicinal Plants And Extra Cellular Enzymes Contribute To Their Abundance, Abdul Latif Khan, Sajjad Asaf, Raeid M. M. Abed, Yen Ning Chai, Ahmed N. Al-Rawahi, Tupan Kumar Mohanta, Ahmed Al-Rawahi, Daniel P. Schachtman, Ahmed Al-Harrasi
Department of Agronomy and Horticulture: Faculty Publications
Revealing the unexplored rhizosphere microbiome of plants in arid environments can help in understanding their interactions between microbial communities and plants during harsh growth conditions. Here, we report the first investigation of rhizospheric fungal and bacterial communities of Adenium obesum, Aloe dhufarensis and Cleome austroarabica using next-generation sequencing approaches. A. obesum and A. dhufarensis grows in dry tropical and C. austroarabica in arid conditions of Arabian Peninsula. The results indicated the presence of 121 fungal and 3662 bacterial operational taxonomic units (OTUs) whilst microbial diversity was significantly high in the rhizosphere of A. obesum and A. dhufarensis and low …
Wheat Growth Monitoring And Yield Estimation Based On Multi-Rotor Unmanned Aerial Vehicle, Zhaopeng Fu, Jie Jang, Yang Gao, Brian Krienke, Meng Wang, Kaitai Zhong, Qiang Cao, Yongchao Tian, Yan Zhu, Weixing Cao, Xiaojun Liu
Wheat Growth Monitoring And Yield Estimation Based On Multi-Rotor Unmanned Aerial Vehicle, Zhaopeng Fu, Jie Jang, Yang Gao, Brian Krienke, Meng Wang, Kaitai Zhong, Qiang Cao, Yongchao Tian, Yan Zhu, Weixing Cao, Xiaojun Liu
Department of Agronomy and Horticulture: Faculty Publications
Leaf area index (LAI) and leaf dry matter (LDM) are important indices of crop growth. Real-time, nondestructive monitoring of crop growth is instructive for the diagnosis of crop growth and prediction of grain yield. Unmanned aerial vehicle (UAV)-based remote sensing is widely used in precision agriculture due to its unique advantages in flexibility and resolution. This study was carried out on wheat trials treated with different nitrogen levels and seeding densities in three regions of Jiangsu Province in 2018–2019. Canopy spectral images were collected by the UAV equipped with a multi-spectral camera during key wheat growth stages. To verify the …
The State Of Sustainable Agriculture And Agroecology Research And Impacts: A Survey Of U.S. Scientists, Marcia Delonge, Tali Robbins, Andrea D. Basche, Lindsey Haynes-Maslow
The State Of Sustainable Agriculture And Agroecology Research And Impacts: A Survey Of U.S. Scientists, Marcia Delonge, Tali Robbins, Andrea D. Basche, Lindsey Haynes-Maslow
Department of Agronomy and Horticulture: Faculty Publications
A growing body of research suggests that although sustainable agriculture, particularly agroecology, can address challenges such as those related to climate change, ecosystem services, food insecurity, and farmer livelihoods, the transition to such systems remains limited. To gain insight into the state of U.S. sustainable agriculture and agroecology, we developed a 28-question mixed-method survey that was administered to scientists in these fields. Respondents (N=168) represented diverse locations, institutions, and career stages. They offered varied definitions of sustainable agriculture, with 40% considering economic and social well-being to be core components. Respondents identified the amount and duration of public research …
Multi-Trait Random Regression Models Increase Genomic Prediction Accuracy For A Temporal Physiological Trait Derived From High-Throughput Phenotyping, Toshimi Baba, Mehdi Momen, Malachy T. Campbell, Harkamal Walia, Gota Morota
Multi-Trait Random Regression Models Increase Genomic Prediction Accuracy For A Temporal Physiological Trait Derived From High-Throughput Phenotyping, Toshimi Baba, Mehdi Momen, Malachy T. Campbell, Harkamal Walia, Gota Morota
Department of Agronomy and Horticulture: Faculty Publications
Random regression models (RRM) are used extensively for genomic inference and predic- tion of time-valued traits in animal breeding, but only recently have been used in plant sys- tems. High-throughput phenotyping (HTP) platforms provide a powerful means to collect high-dimensional phenotypes throughout the growing season for large populations. How- ever, to date, selection of an appropriate statistical genomic framework to integrate multiple temporal traits for genomic prediction in plants remains unexplored. Here, we demonstrate the utility of a multi-trait RRM (MT-RRM) for genomic prediction of daily water usage (WU) in rice (Oryza sativa) through joint modeling with shoot …