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Articles 1 - 30 of 220
Full-Text Articles in Plant Sciences
Sunn Hemp As An Alternative Forage In The Texas High Plains Region, S. A. O’Shaughnessy, H. M. Mosqueda, D. K. Brauer
Sunn Hemp As An Alternative Forage In The Texas High Plains Region, S. A. O’Shaughnessy, H. M. Mosqueda, D. K. Brauer
IGC Proceedings (1997-2023)
Forage production in the Texas High Plains, a semi-arid region, is critical to sustain the local cattle industry. However, the main source of water for irrigation is the highly depleted Ogallala Aquifer, making forage crop water productivity (CWP) of high importance. In this one-year study, three types of forages were cultivated under deficit irrigation treatments of 80% and 50% of full crop water use. The forages were: a non-brown midrib forage sorghum; a legume, sunn hemp; and a sorghum/sunn hemp mix. The experiment was conducted in Bushland, Texas in 2019. Treatment plots were arranged in a split plot design with …
Smallholder Zebu And Forage Production Development In Central Madagascar, L. Randriamanalina, M. S. Vorontsova, M. T. Rajaonah, O. P. Nanjarisoa, C. E. R. Lehmann, D. Miharinjanahary, H. N. S. Ratovoarinjaka, A. Bendrainy, C. Rijaniaina, A. M. Rabendrina, D. Rabeharison, B. F. Rakotozafy, F. Rakotoarison, D. Tahirinirainy, T. Randriamboavonjy, H. Ralimanana, J. Raharimampionona, C. Birkinshaw, W. Truter
Smallholder Zebu And Forage Production Development In Central Madagascar, L. Randriamanalina, M. S. Vorontsova, M. T. Rajaonah, O. P. Nanjarisoa, C. E. R. Lehmann, D. Miharinjanahary, H. N. S. Ratovoarinjaka, A. Bendrainy, C. Rijaniaina, A. M. Rabendrina, D. Rabeharison, B. F. Rakotozafy, F. Rakotoarison, D. Tahirinirainy, T. Randriamboavonjy, H. Ralimanana, J. Raharimampionona, C. Birkinshaw, W. Truter
IGC Proceedings (1997-2023)
Poverty in the Central Highlands of Madagascar is partly driven by inefficient exploitation of native forages and poor livestock nutrition. Zebus are of importance as cultural symbols, but this tradition has grown disconnected from agricultural policy. This project is working with three central highland communities near the protected areas of Itremo, Ibity and Ankafobe, to boost rangeland productivity and trial management methods which will support key forage grasses and improve livestock nutrition. A severe nitrogen deficiency compounded by extremely acidic soil conditions and low phosphorus is observed across the three sites. The lowest grazing capacity of an estimated 0.7 livestock …
Inhibiting Dhurrin Biosynthesis Effects On Stocker Cattle Daily Gains, S. M. Gruss, K. D. Johnson, R. P. Lemenager, M. R. Tuinstra
Inhibiting Dhurrin Biosynthesis Effects On Stocker Cattle Daily Gains, S. M. Gruss, K. D. Johnson, R. P. Lemenager, M. R. Tuinstra
IGC Proceedings (1997-2023)
Climate change has made resilient crops more valuable in many agricultural production systems. Sorghum is an important resilient grain and forage crop due to its high drought tolerance and ability to thrive in low-N environments. All current commercial sorghum varieties produce the cyanogenic glucoside dhurrin. Cell maceration causes the conversion of dhurrin to hydrogen cyanide (HCN), which is toxic to animals. Toxicity symptoms range from labored breathing and convulsions to death within minutes. The dhurrin biosynthesis pathway was altered to inhibit dhurrin production by a mutation that inactivated CYP79A1, the first enzyme in the pathway. The dhurrin-free phenotype eliminates the …
Gene Expression Changes Linked To Phenylpropanoid-Based Resistance To Fusarium Head Blight Of Wheat, Shiv Singla
Gene Expression Changes Linked To Phenylpropanoid-Based Resistance To Fusarium Head Blight Of Wheat, Shiv Singla
Department of Plant Pathology: Dissertations, Theses, and Student Research
Fusarium graminearum is a devastating pathogen of wheat that causes Fusarium head blight (FHB) and contaminates the grain with the mycotoxin deoxynivalenol (DON). Resistance to FHB is quantitative and it is important to identify additional genes conferring resistance against it. The goal of this thesis was to examine if the constitutive expression of two sorghum phenylpropanoid pathway genes, SbCCoAOMT (encoding caffeoyl-CoA O-methyltransferase) and SbC3’H (encoding p-coumarate 3-hydroxylase), in the moderately-susceptible spring wheat CB037 can provide Type-I and Type-II resistance to F. graminearum and determine the underlying mechanisms of the enhanced resistance. The constitutive expression lines (CCoAOMT413, CCoAOMT421, C3H112, …
Plasticity Of Sorghum Biomass And Inflorescence Traits In Response To Nitrogen Application, Kyle M. Linders
Plasticity Of Sorghum Biomass And Inflorescence Traits In Response To Nitrogen Application, Kyle M. Linders
Department of Agronomy and Horticulture: Dissertations, Theses, and Student Research
Nitrogen is an essential nutrient required for growth and development in plants. Insufficient nitrogen availability can reduce vegetative growth and grain yield. However, nitrogen is a costly input for farmers, is energy intensive to manufacture, and runoff of excess nitrogen fertilizer impacts water quality. Compared to its close relative, maize, sorghum has much greater resilience to nitrogen and water deficit, and heat stress, allowing sorghum to be grown with fewer inputs and on marginal land. Variation in total biomass accumulation and grain yield between sorghum accessions, as well as between nitrogen conditions, can be largely explained by differences in vegetative …
A Leaf-Level Spectral Library To Support High-Throughput Plant Phenotyping: Predictive Accuracy And Model Transfer, Nuwan K. Wijewardane, Huichun Zhang, Jinliang Yang, James C. Schnable, Daniel P. Schachtman, Yufeng Ge
A Leaf-Level Spectral Library To Support High-Throughput Plant Phenotyping: Predictive Accuracy And Model Transfer, Nuwan K. Wijewardane, Huichun Zhang, Jinliang Yang, James C. Schnable, Daniel P. Schachtman, Yufeng Ge
Department of Agronomy and Horticulture: Faculty Publications
Leaf-level hyperspectral reflectance has become an effective tool for high-throughput phenotyping of plant leaf traits due to its rapid, low-cost, multi-sensing, and non-destructive nature. However, collecting samples for model calibration can still be expensive, and models show poor transferability among different datasets. This study had three specific objectives: first, to assemble a large library of leaf hyperspectral data (n=2460) from maize and sorghum; second, to evaluate two machine-learning approaches to estimate nine leaf properties (chlorophyll, thickness, water content, nitrogen, phosphorus, potassium, calcium, magnesium, and sulfur); and third, to investigate the usefulness of this spectral library for predicting external datasets …
Large And Stable Genome Edits At The Sorghum Alpha Kafirin Locus Result In Changes In Chromatin Accessibility And Globally Increased Expression Of Genes Encoding Lysine Enrichment, J. Preston Hurst, Abou Yobi, Aixia Li, Shirley Sato, Thomas E. Clemente, Ruthie Angelovici
Large And Stable Genome Edits At The Sorghum Alpha Kafirin Locus Result In Changes In Chromatin Accessibility And Globally Increased Expression Of Genes Encoding Lysine Enrichment, J. Preston Hurst, Abou Yobi, Aixia Li, Shirley Sato, Thomas E. Clemente, Ruthie Angelovici
Department of Agronomy and Horticulture: Faculty Publications
Introduction: Sorghum is a resilient and widely cultivated grain crop used for feed and food. However, it’s grain is deficient in lysine, an essential amino acid. This is due to the primary seed storage proteins, the alpha-kafirins, lacking lysine. It has been observed that reductions in alpha-kafirin protein results in rebalancing of the seed proteome and a corresponding increase in non-kafirin proteins which leads to an increased lysine content. However, the mechanisms underlying proteome rebalancing are unclear. This study characterizes a previously developed gene edited sorghum line, with deletions at the alpha kafirin locus.
Methods: A single consensus …
Large And Stable Genome Edits At The Sorghum Alpha Kafirin Locus Result In Changes In Chromatin Accessibility And Globally Increased Expression Of Genes Encoding Lysine Enrichment, J. Preston Hurst, Abou Yobi, Aixia Li, Shirley Sato, Thomas E. Clemente, Ruthie Angelovici, David R. Holding
Large And Stable Genome Edits At The Sorghum Alpha Kafirin Locus Result In Changes In Chromatin Accessibility And Globally Increased Expression Of Genes Encoding Lysine Enrichment, J. Preston Hurst, Abou Yobi, Aixia Li, Shirley Sato, Thomas E. Clemente, Ruthie Angelovici, David R. Holding
Department of Agronomy and Horticulture: Faculty Publications
Introduction: Sorghum is a resilient and widely cultivated grain crop used for feed and food. However, it’s grain is deficient in lysine, an essential amino acid. This is due to the primary seed storage proteins, the alpha-kafirins, lacking lysine. It has been observed that reductions in alpha-kafirin protein results in rebalancing of the seed proteome and a corresponding increase in non-kafirin proteins which leads to an increased lysine content. However, the mechanisms underlying proteome rebalancing are unclear. This study characterizes a previously developed gene edited sorghum line, with deletions at the alpha kafirin locus.
Methods: A single consensus …
Ensiling Of Tannin-Containing Sorghum Grain, E. M. Ott, Y. Acosta Aragón, M. Gabel
Ensiling Of Tannin-Containing Sorghum Grain, E. M. Ott, Y. Acosta Aragón, M. Gabel
IGC Proceedings (1997-2023)
Sorghum is known as important feed-stuff in tropical regions where rainfall is insufficient for the cultivation of maize. Furthermore, those sorghum cultivars rich in tannins are naturally protected to a certain extent against bird damage, insect pests and moulds. Nevertheless, tannins impair the feed quality. Thus, the objectives of this study were to investigate whether ensiling could be a suitable preservation method for sorghum grain originally rich in tannins and if it is possible to reduce tannin content during fermentation.
Comparison Of Different Maize Hybrids Cultivated And Fermented With Or Without Sorghum, Sz. Orosz, Z. Bellus, Zs. Kelemen, E. Zerényi, J. Helembai
Comparison Of Different Maize Hybrids Cultivated And Fermented With Or Without Sorghum, Sz. Orosz, Z. Bellus, Zs. Kelemen, E. Zerényi, J. Helembai
IGC Proceedings (1997-2023)
In Hungary our key forage crop is silage maize, however, the joint growing of maize and sorghum is increasingly important in arid regions. The reason is, that sorghum varieties tolerate well the various ecological stresses (drought). The joint growing of maize and sorghum varieties has several advantages and disadvantageous in respect of yields, safety of production, fermentability of the crop and nutrient content of the silage. The basis of realising the complementary qualities of the two crops and of the successful joint growing and preservation is the suitable pairing of hybrid varieties.
Occasional Tillage In A Wheat-Sorghum-Fallow Rotation: 2022 Growing Season, John D. Holman, Augustine K. Obour, Lucas A. Haag, Mikaela A. Lawrence
Occasional Tillage In A Wheat-Sorghum-Fallow Rotation: 2022 Growing Season, John D. Holman, Augustine K. Obour, Lucas A. Haag, Mikaela A. Lawrence
Kansas Agricultural Experiment Station Research Reports
Beginning in 2012, research was conducted near Garden City and Tribune, KS, to determine the effect of a single tillage operation every 3 years on grain yields in a wheat-sorghum-fallow (WSF) rotation. Treatments included no-till, single tillage post wheat harvest in mid-August, and single tillage mid-June during the fallow phase. This study was revised with two additional more intensive tillage treatments since 2019. The two additional treatments were 1) two tillage operations during the fallow phase and 2) one tillage during fallow phase and one tillage post wheat harvest. Grain yield varied greatly by year and location. Wheat yields ranged …
Sorghum Wrky Transcription Factor Sbwrky45 Enhanced Seed Germination Under Drought Stress In Transgenic Arabidopsis, Elamin Baillo, Muhammad Sajid Hanif, Ping Xu, Zhengbin Zhang
Sorghum Wrky Transcription Factor Sbwrky45 Enhanced Seed Germination Under Drought Stress In Transgenic Arabidopsis, Elamin Baillo, Muhammad Sajid Hanif, Ping Xu, Zhengbin Zhang
Turkish Journal of Botany
The WRKY transcription factors (TFs) family is an important family of plant-specific TFs, playing vital roles in various abiotic and biotic stress responses. WRKY TFs are gaining considerable attention due to their significant roles in stress responses. However, their functions in sorghum (Sorghum bicolor) are lagging behind. In this study, a WRKY gene designated as SbWRKY45 was isolated and characterized from sorghum. SbWRKY45, belonging to Group IIa, consists of one intron and two exons and encodes 430 amino acids. SbWRKY45 is located in chromosome 4. The cis-element prediction analysis showed that the promoter region of SbWRKY45 has several abiotic …
Algorithm To Estimate Sorghum Grain Number From Panicles Using Images Collected With A Smartphone At Field-Scale, G. N. Santiago, A. J. P. Carcedo, L. Marziotte, I. A. Ciampitti
Algorithm To Estimate Sorghum Grain Number From Panicles Using Images Collected With A Smartphone At Field-Scale, G. N. Santiago, A. J. P. Carcedo, L. Marziotte, I. A. Ciampitti
Kansas Agricultural Experiment Station Research Reports
An estimation of on-farm yield before harvest is important to help farmers make decisions about additional input use, time to harvest, and options for end uses of the harvestable product. However, obtaining a rapid assessment of on-farm yield can be challenging, especially for a sorghum (Sorghum bicolor L.) crop due to the complexity of counting the total number of grains in a panicle at field-scale. One alternative to reduce labor is to develop a rapid assessment method employing computer vision algorithms. Computer vision has already been utilized to account for the number of grains within a panicle, yet it …
Kansas Field Research 2023
Kansas Agricultural Experiment Station Research Reports
A summary of research conducted in 2021-2023 on field production and management practices for crops in Kansas. Published in 2023 from the Kansas State University Agricultural Experiment Station and Cooperative Extension Service. https://www.ag.k-state.edu/
Observations On The Seasonal Abundance Of Sorghum Midge, Anthony Zukoff
Observations On The Seasonal Abundance Of Sorghum Midge, Anthony Zukoff
Kansas Agricultural Experiment Station Research Reports
Sorghum midge, Stenodiplosis sorghicola (Coquillett), is a major pest of sorghum production worldwide. Midge larvae develop within the sorghum spikelet protected from predation and chemical control. Feeding by larvae prevents grain development resulting in varying degrees of blank heads. Historically, sorghum midge has been considered a minor pest in Kansas. In recent years, significant midge infestations have been documented in several locations of the southwest and southeast portions of the state. Some basic information on sorghum midge seasonality in Kansas will help to refine some management recommendations if this pest becomes more prevalent. Sorghum midges were recovered from samples taken …
Variation In Morpho‑Physiological And Metabolic Responses To Low Nitrogen Stress Across The Sorghum Association Panel, Marcin Grzybowski, Mackenzie Zwiener, Mackenzie Zwiener, Hongyu Jin, Nuwan K. Wijewardane, Abbas Atefi, Michael J. Naldrett, Sophie Alvarez, Yufeng Ge, James C. Schnable
Variation In Morpho‑Physiological And Metabolic Responses To Low Nitrogen Stress Across The Sorghum Association Panel, Marcin Grzybowski, Mackenzie Zwiener, Mackenzie Zwiener, Hongyu Jin, Nuwan K. Wijewardane, Abbas Atefi, Michael J. Naldrett, Sophie Alvarez, Yufeng Ge, James C. Schnable
Center for Plant Science Innovation: Faculty and Staff Publications
Background: Access to biologically available nitrogen is a key constraint on plant growth in both natural and agricultural settings. Variation in tolerance to nitrogen deficit stress and productivity in nitrogen limited conditions exists both within and between plant species. However, our understanding of changes in different phenotypes under long term low nitrogen stress and their impact on important agronomic traits, such as yield, is still limited.
Results: Here we quantified variation in the metabolic, physiological, and morphological responses of a sorghum association panel assembled to represent global genetic diversity to long term, nitrogen deficit stress and the relationship …
Production Of Distilled Spirits Using Grain Sorghum Through Liquid Fermentation, Thomas Weiss, Jikai Zhao, Ruijia Hu, Meicen Liu, Yonghui Li, Yi Zheng, Gordon Smith, Donghai Wang
Production Of Distilled Spirits Using Grain Sorghum Through Liquid Fermentation, Thomas Weiss, Jikai Zhao, Ruijia Hu, Meicen Liu, Yonghui Li, Yi Zheng, Gordon Smith, Donghai Wang
School of Earth, Environmental, and Marine Sciences Faculty Publications and Presentations
The objectives of this research were to investigate the fermentation performance of US sorghum varieties for the production of distilled spirits as well as their associated coproducts and to study the formation of volatile compounds that are related to the flavor quality of the spirits. Three US sorghum varieties (red, white, and waxy sorghums) and four yeast strains (DADY, Ethanol Red, GR-2, and 71B) were used for distilled spirit production. Both sorghum variety and type of yeast strains had effects on alcohol concentration and alcohol yield. The alcohol concentration varied from 10.26 to 11.34% (v/v) while alcohol yield varied from …
Crosscutting Understandings Of Fusarium Resistance In Sorghum And Wheat For Development Of Breeding Strategies And Novel Opportunities In Germplasm Improvement, Arlyn Ackerman
All Dissertations
Fusarium causes widespread disease in crops resulting in yield and quality loss across a range of host taxa that results in global incidence of carcinogenic mycotoxins contaminating the world’s food systems. This research sought to crosscut frameworks developed across the Fusarium host crop species of wheat (Triticum aesitivum) and sorghum (Sorghum bicolor [L] Moench) to further understand mycotoxin suppression and resistance. A deeper understanding of the biochemical resistances available in sorghum grain mold (SGM) was built by following research of wheat based upon deoxynivalenol resistance to Fusarium head blight (FHB). Through this research, phenotyping methods for Fusarium damaged kernels …
Assessment Of Bacterial Inoculant Delivery Methods For Cereal Crops, Yen Ning Chai, Stephanie Futrell, Daniel P. Schachtman
Assessment Of Bacterial Inoculant Delivery Methods For Cereal Crops, Yen Ning Chai, Stephanie Futrell, Daniel P. Schachtman
Department of Agronomy and Horticulture: Faculty Publications
Despite growing evidence that plant growth-promoting bacteria can be used to improve crop vigor, a comparison of the different methods of delivery to determine which is optimal has not been published. An optimal inoculation method ensures that the inoculant colonizes the host plant so that its potential for plant growth-promotion is fully evaluated. The objective of this study was to compare the efficacy of three seed coating methods, seedling priming, and soil drench for delivering three bacterial inoculants to the sorghum rhizosphere and root endosphere. The methods were compared across multiple time points under axenic conditions and colonization efficiency was …
Crop Adaptation And Improvement For Drought-Prone Environments, Ndjido A. Kane, Ed., Daniel Foncéka, Ed., Timothy J. Dalton, Ed.
Crop Adaptation And Improvement For Drought-Prone Environments, Ndjido A. Kane, Ed., Daniel Foncéka, Ed., Timothy J. Dalton, Ed.
NPP eBooks
This book focuses on three important elements in the development of cereal and legume crops in semi-arid West Africa. The first section illustrates the socioeconomic factors that affect the food system for these crops and contains an overview of crop production and consumption in the region. Then, important inputs that affect system productivity are presented: preferences for new seed varieties, yield response to fertilizer, counterfeit herbicides, climate information, and the way farmers develop expectations about the weather events that shape cropping outcomes. The final chapter of section one is dedicated to understanding urban consumer preferences for processed food products derived …
2021 Kansas Summer Annual Forage Hay And Silage Variety Trial, J. Holman, A. Obour, S. Dooley, T. Roberts
2021 Kansas Summer Annual Forage Hay And Silage Variety Trial, J. Holman, A. Obour, S. Dooley, T. Roberts
Kansas Agricultural Experiment Station Research Reports
In 2021, summer annual forage variety trials were conducted across Kansas near Garden City, Hays, and Scandia. All sites evaluated hay and silage entries. Companies were able to enter varieties into any possible combinations of research sites, so not all sites had all varieties. Across the sites, a total of 104 hay varieties and 55 sorghum silage varieties were evaluated.
Historical Characterization Of Sorghum Grain Filling Dynamics, J. Grünberg, A. J. P. Carcedo, P. A. Demarco, L. Mayor, I. A. Ciampitti
Historical Characterization Of Sorghum Grain Filling Dynamics, J. Grünberg, A. J. P. Carcedo, P. A. Demarco, L. Mayor, I. A. Ciampitti
Kansas Agricultural Experiment Station Research Reports
Understanding crop response to manipulations in source (number of leaves) and sink (panicle) during the growing season provides useful information to develop crop breeding strategies. In the present study, we assessed how source-sink manipulation can affect sorghum (Sorghum bicolor L.) yield and its components—grain number and grain weight (including grain filling dynamics)—for hybrids released in the past 60 years. The field experiment was conducted during the 2021 growing season in Wamego, KS (US), testing six commercially available grain sorghum hybrids released between 1963 and 2020. Grain weight significantly decreased from 28 to 21 mg in defoliation treatments among hybrids …
Kansas Field Research 2022
Kansas Agricultural Experiment Station Research Reports
A summary of research conducted in 2020-2022 on field production and management practices for crops in Kansas. Published in 2022 from the Kansas State University Agricultural Experiment Station and Cooperative Extension Service.
https://www.ag.k-state.edu/
Response Of Conventional Sorghum To Imiflex, Zest Wdg, And Firstact, R. Liu, V. Kumar, M. Marrs, T. L. Lambert
Response Of Conventional Sorghum To Imiflex, Zest Wdg, And Firstact, R. Liu, V. Kumar, M. Marrs, T. L. Lambert
Kansas Agricultural Experiment Station Research Reports
Grass weed control in sorghum has been a serious challenge for sorghum growers. The newly developed herbicide-tolerant (HT) sorghum technologies such as igrowth, Inzen, and Double Team sorghum will allow growers to use IMIFLEX, ZestWDG, and FirstAct respectively, for in-season weed control. However, the adoption of these HT sorghum technologies may increase the use of these labeled herbicides and increase the likelihood of herbicide drift or tank contamination to conventional sorghum. Three separate field studies were conducted at Kansas State University Agricultural Research Center (KSU-ARCH) near Hays, KS, to understand the response of conventional sorghum to various rates of IMIFLEX, …
High Moisture Sorghum Grain Silage: Effects Of Tannin Content And Urea Treatment On The Performance Of Dairy Cows, L. A. Romero, E. A. Comerón, O. A. Bruno, A. R. Castillo, M. C. Gaggiotti
High Moisture Sorghum Grain Silage: Effects Of Tannin Content And Urea Treatment On The Performance Of Dairy Cows, L. A. Romero, E. A. Comerón, O. A. Bruno, A. R. Castillo, M. C. Gaggiotti
IGC Proceedings (1997-2023)
Grain sorghum silage tannin content effect was evaluated on milk production and chemical composition of Argentinean Holstein bred cows, and it are described dry matter (DM) and crude protein (CP) in situ digestion parameters and effective degradability. The base diet was constituted by alfalfa pasture, maize silage, and a protein – mineral supplement, differing in three treatments based on high moisture grain silage characteristic: LTS= Low tannin grain sorghum, HTS= High tannin grain sorghum, and HTSu= High tannin sorghum plus the addition of urea. Grain sorghum silage tannin content affects milk production, without significant alteration of chemical composition. Beside the …
Comparison Of Production And Cost Between Conventional And Organic Forage Crops, Jong-Duk Kim, C. H. Kwon, S. H. Chae, C. H. Kim
Comparison Of Production And Cost Between Conventional And Organic Forage Crops, Jong-Duk Kim, C. H. Kwon, S. H. Chae, C. H. Kim
IGC Proceedings (1997-2023)
No abstract provided.
Meta-Analysis Identifies Pleiotropic Loci Controlling Phenotypic Trade-Offs In Sorghum, Ravi V. Mural, Marcin Grzybowski, Miao Chenyong, Alyssa Damke, Sirjan Sapkota, Richard E. Boyles, Maria G. Salas Fernandez, Patrick S. Schnable, Brandi Sigmon, Stephen Kresovich, James C. Schnable
Meta-Analysis Identifies Pleiotropic Loci Controlling Phenotypic Trade-Offs In Sorghum, Ravi V. Mural, Marcin Grzybowski, Miao Chenyong, Alyssa Damke, Sirjan Sapkota, Richard E. Boyles, Maria G. Salas Fernandez, Patrick S. Schnable, Brandi Sigmon, Stephen Kresovich, James C. Schnable
Department of Plant Pathology: Faculty Publications
Community association populations are composed of phenotypically and genetically diverse accessions. Once these populations are genotyped, the resulting marker data can be reused by different groups investigating the genetic basis of different traits. Because the same genotypes are observed and scored for a wide range of traits in different environments, these populations represent a unique resource to investigate pleiotropy. Here, we assembled a set of 234 separate trait datasets for the Sorghum Association Panel, a group of 406 sorghum genotypes widely employed by the sorghum genetics community. Comparison of genome-wide association studies (GWAS) conducted with two independently generated marker sets …
Unravelling The Role Of Pgpr "Pseudomonas Fluorescens" In Semi- Arid Soils Of The Rio Grande Valley, Mandip Tamang
Unravelling The Role Of Pgpr "Pseudomonas Fluorescens" In Semi- Arid Soils Of The Rio Grande Valley, Mandip Tamang
Theses and Dissertations
Chapter 1: In this chapter, we have provided a review on the components of rhizosphere engineering and the potential use of PGPR and its challenges to serve as an efficient component for sustainable agriculture.
Chapter 2: In this chapter, we isolated 35 different strains of a PGPR, Pseudmonas fluorescens and characterized various plant growth promoting traits such as production of ammonia, protease, Indole acitic acid (IAA), 1-aminocyclopropane-1-carboxylate deaminase (ACC) deaminase, ammonia, hydrogen cyanide (HCN), and souliblization of zinc and phosphate.
Chapter 3: In this chapter, we tested the influence of plant beneficial soil microbe, P. fluorescens, on the growth and …
Microbial Community Field Surveys Reveal Abundant Pseudomonas Population In Sorghum Rhizosphere Composed Of Many Closely Related Phylotypes, Dawn Chiniquy, Elle M. Barnes, Jinglie Zhou, Kyle Hartman, Xiaohui Li, Amy Sheflin, Ellen Marsh, Jessica Prenni, Adam M. Deutschbauer, Daniel P. Schachtman, Susannah G. Tringe
Microbial Community Field Surveys Reveal Abundant Pseudomonas Population In Sorghum Rhizosphere Composed Of Many Closely Related Phylotypes, Dawn Chiniquy, Elle M. Barnes, Jinglie Zhou, Kyle Hartman, Xiaohui Li, Amy Sheflin, Ellen Marsh, Jessica Prenni, Adam M. Deutschbauer, Daniel P. Schachtman, Susannah G. Tringe
Department of Agronomy and Horticulture: Faculty Publications
While the root-associated microbiome is typically less diverse than the surrounding soil due to both plant selection and microbial competition for plant derived resources, it typically retains considerable complexity, harboring many hundreds of distinct bacterial species. Here, we report a time-dependent deviation from this trend in the rhizospheres of field grown sorghum. In this study, 16S rRNA amplicon sequencing was used to determine the impact of nitrogen fertilization on the development of the root-associated microbiomes of 10 sorghum genotypes grown in eastern Nebraska. We observed that early rhizosphere samples exhibit a significant reduction in overall diversity due to a high …
Cytogenetical Studies On Hybrids Between S. Sudanense And S. Bicolor, Qiuwen Zhan, L. M. Zhu, J. J. Wu, W. Zhang, T. Z. Zhang
Cytogenetical Studies On Hybrids Between S. Sudanense And S. Bicolor, Qiuwen Zhan, L. M. Zhu, J. J. Wu, W. Zhang, T. Z. Zhang
IGC Proceedings (1997-2023)
No abstract provided.