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Articles 1 - 30 of 94
Full-Text Articles in Life Sciences
Establishment Of Wildflower Islands To Enhance Roadside Health, Ecological Value, And Aesthetics Phase Ii, Jackson Ebbers, Heidi L. Hillhouse, John A. Guretsky, Thomas J. Weissling
Establishment Of Wildflower Islands To Enhance Roadside Health, Ecological Value, And Aesthetics Phase Ii, Jackson Ebbers, Heidi L. Hillhouse, John A. Guretsky, Thomas J. Weissling
Nebraska Department of Transportation: Research Reports
No abstract provided.
The Intertwining Of Zn-Finger Motifs And Abiotic Stress Tolerance In Plants: Current Status And Future Prospects, Debojyoti Moulick, Karma Landup Bhutia, Sukamal Sarkar, Anirban Roy, Udit Nandan Mishra, Biswajit Pramanick, Sagar Maitra, Tanmoy Shankar, Swati Hazra, Milan Skalicky, Marian Brestic, Viliam Barek, Akbar Hossain
The Intertwining Of Zn-Finger Motifs And Abiotic Stress Tolerance In Plants: Current Status And Future Prospects, Debojyoti Moulick, Karma Landup Bhutia, Sukamal Sarkar, Anirban Roy, Udit Nandan Mishra, Biswajit Pramanick, Sagar Maitra, Tanmoy Shankar, Swati Hazra, Milan Skalicky, Marian Brestic, Viliam Barek, Akbar Hossain
Department of Agronomy and Horticulture: Faculty Publications
Environmental stresses such as drought, high salinity, and low temperature can adversely modulate the field crop’s ability by altering the morphological, physiological, and biochemical processes of the plants. It is estimated that about 50% + of the productivity of several crops is limited due to various types of abiotic stresses either presence alone or in combination (s). However, there are two ways plants can survive against these abiotic stresses; a) through management practices and b) through adaptive mechanisms to tolerate plants. These adaptive mechanisms of tolerant plants are mostly linked to their signalling transduction pathway, triggering the action of plant …
The Effects Of Exogenously Applied Antioxidants On Plant Growth And Resilience, Aline Rodrigues De Queiroz, Connor Hines, Jeremy Brown, Seema Sahay, Jithesh Vijayan, Julie M. Stone, Nate Bickford, Melissa Wuellner, Katarzyna Glowacka, Nicole R. Buan, Rebecca Roston
The Effects Of Exogenously Applied Antioxidants On Plant Growth And Resilience, Aline Rodrigues De Queiroz, Connor Hines, Jeremy Brown, Seema Sahay, Jithesh Vijayan, Julie M. Stone, Nate Bickford, Melissa Wuellner, Katarzyna Glowacka, Nicole R. Buan, Rebecca Roston
Department of Biochemistry: Faculty Publications
Plant growth and resilience require balancing an inherently oxidative metabolism with powerful antioxidant systems that help maintain homeostasis. When the environment changes, reactive oxygen species are potent indicators of that change, allowing adaptation through re-balancing metabolism and antioxidant systems. A large body of evidence supports the use of exogenously applied antioxidants to improve both plant growth and their resilience to stress. Notably, some phenotypic effects are similar upon the application of chemically diverse antioxidants, while others are distinct. In this review, we analyze research from antioxidant treatment experiments and highlight the similarities in their practical applications and their effects on …
Occurrence Of Hydroxyproline In Proteomes Of Higher Plants, Olivia Huffman
Occurrence Of Hydroxyproline In Proteomes Of Higher Plants, Olivia Huffman
Department of Food Science and Technology: Dissertations, Theses, and Student Research
Food allergies affect millions of individuals across the United States and worldwide. Peanut allergies are among the most severe food allergies because of their potentially life-threatening symptoms and lifelong persistence. Potent peanut allergen, Ara h 2, is known to contain an amino acid motif containing the posttranslational modification, hydroxyproline (HyP). HyP is associated with immunogenic response when present both in Ara h 2 and in timothy grass pollen allergen, Phl p 1. To further explore the presence of HyP in higher plants and specifically to investigate its potential presence in commonly allergenic plants, a study of 26 plant seeds was …
Sprouting Systems, Abaigeal Aydt, Cassidy Smith
Sprouting Systems, Abaigeal Aydt, Cassidy Smith
Honors Expanded Learning Clubs
After taking a class at UNL about environmental awareness, two honors students paired up to start a hydroponics club at a local Lincoln school. In reaching out to the LPS director of sustainability, they were paired up with Prescott Elementary School. Over the course of a semester, they developed a club that got a hydroponic grow tower functioning for the school and taught students about nutrition and sustainability. This club is only in its beginning stages, but the impacts that it is making around the school can already be seen.
Historical Observations And Identifications Of Plants And Animals In The Vicinity Of Engineer Cantonment In 1819-1820, Hugh H. Genoways, Brett C. Ratcliffe, Carl R. Falk, John R. Bozell
Historical Observations And Identifications Of Plants And Animals In The Vicinity Of Engineer Cantonment In 1819-1820, Hugh H. Genoways, Brett C. Ratcliffe, Carl R. Falk, John R. Bozell
University of Nebraska State Museum: Mammalogy Papers
Historical observations and identifications of plants and animals in the vicinity of Engineer Cantonment in 1819–1820 (James 1822) are shown below in Roman and Roman italic print. Specimens identified through phytoarcheological and zooarcheological analysis of materials and believed to be reasonably associated or contemporaneous with the Long Expedition use of the site (AU4) are shown in boldface. Species present in both the historical and archeological data are marked by an asterisk (*). References used in this compilation include Benedict (1996), Brewer (1970 [1840]), Conant and Collins (1991), Ducey (2000), Evans (1997), Falk et al. (this volume), Genoways et al. (2008), …
The Plasticity Of Functional Traits In The Dipterocarps Of Borneo, Ju Ping Chan
The Plasticity Of Functional Traits In The Dipterocarps Of Borneo, Ju Ping Chan
School of Biological Sciences: Dissertations, Theses, and Student Research
Plasticity plays an important role in the adaptation of sessile organisms like plants to the environment. Plants have been shown to respond plastically in heterogeneous environments, with plants originating from more resource-diverse environments thought to display greater plasticity. There is also evidence that fast-growing species show greater plasticity, as acquisition of resources from resource flushes is greatly aided by faster adaptations. We tested these theories in a Bornean tropical rain forest among three soil specialization groups (clay specialists, sandy loam specialists, and generalists) using two treatments of soil (clay versus sandy loam) and two treatments of light (high versus low). …
Phytopharmaceuticals In Mongolia: Past, Present, And Future, Disan Gunbilig, Ulziinyam Rentsendorj
Phytopharmaceuticals In Mongolia: Past, Present, And Future, Disan Gunbilig, Ulziinyam Rentsendorj
Erforschung biologischer Ressourcen der Mongolei / Exploration into the Biological Resources of Mongolia, ISSN 0440-1298
Over the last two decades, the consumption of medicinal plants has increased in Mongolia. Once banned by the post-revolutionary government, it is now valued by the practitioners of orthodox medicine, government as well as by the society. Yet the scientific community has to give this major and crucial component of traditional Mongolian medicine the attention it deserves, scientific knowledge about biologically active principles within medicinal plants remain poorly unknown. At the same time, due to over exploitation of plants many species are becoming extinct together with invaluable traditional knowledge being lost. For these reasons, there is a certain urgency to …
Historical Common Names Of Great Plains Plants, With Scientific Names Index. Volume Ii: Scientific Names Index, Elaine Nowick
Historical Common Names Of Great Plains Plants, With Scientific Names Index. Volume Ii: Scientific Names Index, Elaine Nowick
Zea E-Books Collection
Containing thousands of entries of both vernacular and scientific names of Great Plains plants, the literature that informs this exhaustive listing spans nearly 300 years. Author Elaine Nowick has drawn from sources as diverse as Linnaeus, Lewis and Clark, and local university extension publications to compile the gamut of practical, and often fanciful, common plant names used over the years. Each common name is accompanied by a definitive scientific name with references and authority information. Interspersed with scientifically-correct botanical line drawings, the entries are written in standard ICBN format, making this a useful volume for scholars as well as lay …
Historical Common Names Of Great Plains Plants, With Scientific Names Index. Volume I: Common Names, Elaine Nowick
Historical Common Names Of Great Plains Plants, With Scientific Names Index. Volume I: Common Names, Elaine Nowick
Zea E-Books Collection
Containing thousands of entries of both vernacular and scientific names of Great Plains plants, the literature that informs this exhaustive listing spans nearly 300 years. Author Elaine Nowick has drawn from sources as diverse as Linnaeus, Lewis and Clark, and local university extension publications to compile the gamut of practical, and often fanciful, common plant names used over the years. Each common name is accompanied by a definitive scientific name with references and authority information. Interspersed with scientifically-correct botanical line drawings, the entries are written in standard ICBN format, making this a useful volume for scholars as well as lay …
Microrna Biogenesis, Degradation And Activity In Plants, Meng Xie, Shuxin Zhang, Bin Yu
Microrna Biogenesis, Degradation And Activity In Plants, Meng Xie, Shuxin Zhang, Bin Yu
Center for Plant Science Innovation: Faculty and Staff Publications
microRNAs (miRNAs) are important regulators of gene expression. After excised from primary miRNA transcript by dicer-like1 (DCL1, an RNAse III enzyme), miRNAs bind and guide their effector protein named argonaute 1 (AGO1) to silence the expression of target RNAs containing their complementary sequences in plants. miRNA levels and activities are tightly controlled to ensure their functions in various biological processes such as development, metabolism and responses to abiotic and biotic stresses. Studies have identified many factors that involve in miRNA accumulation and activities. Characterization of these factors in turn greatly improves our understanding of the processes related to miRNAs. Here, …
Potential Impacts Of Bison Wallows On A Restored Tallgrass Prairie Community, Kimran Miller, Johanna Foster, Kristen Nielsen, Mary O'Loughlin
Potential Impacts Of Bison Wallows On A Restored Tallgrass Prairie Community, Kimran Miller, Johanna Foster, Kristen Nielsen, Mary O'Loughlin
The Prairie Naturalist
When bison (Bos bison) repeatedly roll on the ground, they denude vegetation and create wallows (semi-permanent bare areas) that alter the native prairie plant community. Responses to these wallow-related disturbances are not as well documented in restored prairies. From 1 June to 1 September 2010 and from 3 June to 6 August 2011, we examined potential responses at Neal Smith National Wildlife Refuge, a restored prairie with resident bison. We hypothesized that plants and beetles would vary along a disturbance gradient. Our predictions were: (1) near wallows, plants with weedy lifestyles would have highest cover and biomass compared …
Template-Based Structure Prediction And Classification Of Transcription Factors In Arabidopsis Thaliana, Tao Lu, Yuedong Yang, Bo Yao, Song Liu, Yaoqi Zhou, Chi Zhang
Template-Based Structure Prediction And Classification Of Transcription Factors In Arabidopsis Thaliana, Tao Lu, Yuedong Yang, Bo Yao, Song Liu, Yaoqi Zhou, Chi Zhang
School of Biological Sciences: Faculty Publications
Transcription factors (TFs) play important roles in plants. However, there is no systematic study of their structures and functions of most TFs in plants. Here, we performed template-based structure prediction for all TFs in Arabidopsis thaliana, with their full-length sequences as well as C-terminal and N-terminal regions. A total of 2,918 model structures were obtained with a high confidence score. We find that TF families employ only a smaller number of templates for DNA-binding domains (DBD) but a diverse number of templates for transcription regulatory domains (TRD). Although TF families are classified according to DBD, their sizes have a significant …
Effects Of Xenobiotics And Phytotoxins On Reproduction In Food Animals, Kip E. Panter, Bryan L. Stegelmeier
Effects Of Xenobiotics And Phytotoxins On Reproduction In Food Animals, Kip E. Panter, Bryan L. Stegelmeier
United States Department of Agriculture-Agricultural Research Service / University of Nebraska-Lincoln: Faculty Publications
The influence of natural toxicants and anthropogenic compounds on reproduction in food animals is significant in its economic impact, and the subject requires more research and further experimental substantiation. Confounding factors such as stress, nutritional status, season of the year, animal species involved, genetic variability, disease conditions, management factors, and so forth exacerbate the difficulty of making an accurate diagnosis and thereby may impede progress to improve reproductive performance on an individual operation. The interaction between the reproductive system and xenobiotics (reproductive toxicology) is a relatively new area of study and a subject of increasing interest, especially in the area …
Suggested Improvements For The Allergenicity Assessment Of Genetically Modified Plants Used In Foods, Richard E. Goodman
Suggested Improvements For The Allergenicity Assessment Of Genetically Modified Plants Used In Foods, Richard E. Goodman
Department of Food Science and Technology: Faculty Publications
Genetically modified (GM) plants are increasingly used for food production and industrial applications. As the global population has surpassed 7 billion and per capita consumption rises, food production is challenged by loss of arable land, changing weather patterns, and evolving plant pests and disease. Previous gains in quantity and quality relied on natural or artificial breeding, random mutagenesis, increased pesticide and fertilizer use, and improved farming techniques, all without a formal safety evaluation. However, the direct introduction of novel genes raised questions regarding safety that are being addressed by an evaluation process that considers potential increases in the allergenicity, toxicity, …
Impacts Of Plant Size, Density, Herbivory, And Desease On Native Platte Thistle (Cirsium Canescens), Deidra Jacobsen
Impacts Of Plant Size, Density, Herbivory, And Desease On Native Platte Thistle (Cirsium Canescens), Deidra Jacobsen
Department of Environmental Studies: Undergraduate Student Theses
Abstract. Based on prior field observations, we hypothesized that individual and interacting effects of plant size, density, insect herbivory, and especially fungal disease, influenced seedling and juvenile plant growth in native Platte thistle populations (Cirsium canescens Nutt.). We worked at Arapaho Prairie in the Nebraska Sandhills (May - August 2007), monitoring plant growth, insect damage, and fungal infection within different density thistle patches. In the main experiment, we sprayed half of test plants in different density patches with fungicide (Fungonil© Bonide, containing chlorothalonil) and half with a water control. Fungal infection rates were very low, so we found no difference …
Evaluating Hazelnut Cultivars For Yield, Quality And Disease Resistance, Sam Tobin
Evaluating Hazelnut Cultivars For Yield, Quality And Disease Resistance, Sam Tobin
Department of Environmental Studies: Undergraduate Student Theses
ABSTRACT This long term study focuses on testing various hazelnut cultivars for yield, nut quality and disease resistance. There are various cultivars that are being tested for these desired traits but only the Grand Traverse and Skinner will be applicable for the results of this localized study. The desired traits of commercial nut production are best matched by these two cultivars. Results from previous harvests will be used to draw trends to recommend commercially functional cultivars in Eastern Nebraska.
Variations In Stomatal Traits Of 14 Bornean Tree Species Growing On Soils With Different Moisture Contents In Lambir Hills National Park, Whitney Logan Cannon
Variations In Stomatal Traits Of 14 Bornean Tree Species Growing On Soils With Different Moisture Contents In Lambir Hills National Park, Whitney Logan Cannon
Department of Environmental Studies: Undergraduate Student Theses
The goal of this study was to look at variations in stomatal traits of tree species on soils with different moisture contents and fertility at Lambir Hills National Park. Stomates are important structures on the surface of leaves that mediate conduction of moisture and gassesin and out of the leaf. If stomatalt raits are important for regulation, then there should be variation in stomatal traits in regards to their soil specialization. The 14 Borneant ree speciess ampledi ncluded6 sandyl oam specialists6, clay specialistsa nd 2 generalistsfo und growing with equald istributionso n both sandyl oam and clay. Confocal microscopy was …
Effects, Uptake, And Fate Of 2,4,6-Trinitrotoluene Aged In Soil In Plants And Worms, Elly Ph Best, Henry E. Tatem, Kaaren N. Geter, Melissa L. Wells, Brian K. Lane
Effects, Uptake, And Fate Of 2,4,6-Trinitrotoluene Aged In Soil In Plants And Worms, Elly Ph Best, Henry E. Tatem, Kaaren N. Geter, Melissa L. Wells, Brian K. Lane
US Army Corps of Engineers
The present study was aimed at providing data to be used at predicting exposure-based effects of 2,4,6-trinitrotoluene (TNT) aged in soil on endpoint organisms representing two trophic levels. These data can be used to define criteria or reference values for environmental management and conducting specific risk assessment. Long-term exposure tests were conducted to evaluate sublethal toxicity and uptake of aged soil-based explosives, with TNT as the main contaminant. In these tests, plants were exposed for 55 d, and biomass and explosives residues were determined. Worms were exposed for 28 and 42 d, and biomass, number, and tissue residues were determined. …
Nf05-631 Understanding Watersheds, Thomas G. Franti, Steven R. Tonn
Nf05-631 Understanding Watersheds, Thomas G. Franti, Steven R. Tonn
University of Nebraska-Lincoln Extension: Historical Materials
Watersheds are dynamic and unique places. They are complex webs of natural resources, — soil, water, air, plants and animals. Together land and water make a watershed a whole system.
This NebFacts covers what a watershed is, how it works, its functions, how human activities can alter watershed functions, and its management.
Nf04-614 Management Program For Powdery Mildew Of Wheat (Revised August 2005), John E. Watkins
Nf04-614 Management Program For Powdery Mildew Of Wheat (Revised August 2005), John E. Watkins
University of Nebraska-Lincoln Extension: Historical Materials
This NebFact, Wheat Disease Fact Sheet No. 7, discusses the management program for powdery mildew of wheat. It covers the cause and occurrence, key symptoms, cultural management practices, fungicide treatment programs with a table listing the fungicdes registered for foliar diseases of wheat, and application.
Nf04-599 Soybean Aphid Management In Nebraska, Thomas E. Hunt
Nf04-599 Soybean Aphid Management In Nebraska, Thomas E. Hunt
University of Nebraska-Lincoln Extension: Historical Materials
The soybean aphid (Aphis glycines) is Nebraska's newest soybean insect pests, arriving in the United States in 2000 and in Nebraska in 2002. Yield losses of over 20 percent have been documented in some northeast Nebraska fields.
This NebFact covers the description, initial observations, life cycle and injury, and management of the soybean aphid in Nebraska.
G03-1528 Recommended Seeding Rates And Hybrid Selection For Rainfed (Dryland) Corn In Nebraska, Robert N. Klein, Drew J. Lyon
G03-1528 Recommended Seeding Rates And Hybrid Selection For Rainfed (Dryland) Corn In Nebraska, Robert N. Klein, Drew J. Lyon
University of Nebraska-Lincoln Extension: Historical Materials
Differences in climate between Lincoln and Scottsbluff are as great as from Lincoln to the east coast of the United States. These climatic differences across the state greatly affect recommended seeding rates for rainfed corn in Nebraska. This NebGuide provides information useful in assessing accumulated growing degree days, soil type and field conditions, average precipitation, and the field's microclimate when determining seeding rate for dryland corn.
Ec03-1892 Identifying Soybean Rust
Ec03-1892 Identifying Soybean Rust
University of Nebraska-Lincoln Extension: Historical Materials
This four-color extension circular identifies the different diseases of soybeans: soybean rust, bacterial blight, bacterial pustle, and downy mildew. It also shows diseases that are similar looking: Cercospora blight, Frogeye leaf spot and brown spot. It also discusses what to look for when scouting for soybean rust.
Nf03-571 Aspergillus Flavus And Aflatoxins In Corn, Jim Stack, Michael Carlson
Nf03-571 Aspergillus Flavus And Aflatoxins In Corn, Jim Stack, Michael Carlson
University of Nebraska-Lincoln Extension: Historical Materials
The severe weather conditions of the 2002 growing season resulted in an increase in the incidence and severity of aflatoxin contamination of both food grade and feed grade corn in Nebraska.
The mycotoxin called aflatoxin is produced by the grain mold Aspergillus flavus. Not all isolates of A. flavus produced aflatoxin and isolates that are capable of producing aflatoxin do not always synthesize the toxin. Many factors including environmental conditions and host suscepbitility, determine the incidence and severity of grain mold and subsequent mycotoxin contamination.
This NebFact discusses the cause and occurrence of aflatoxin in corn; the effects it has …
Nf03-570 Fumonisins In Corn, Jim Stack, Michael Carlson
Nf03-570 Fumonisins In Corn, Jim Stack, Michael Carlson
University of Nebraska-Lincoln Extension: Historical Materials
During the past two years, millers have rejected some Nebraska food grade corn because it was contaminated with the mycotoxin fumonisin. Most of the contaminated samples and the highest levels of contamination were detected in corn from counties in the eastern half of Nebraska.
Fumonisins are mycotoxins produced by the grain molds Fusarium verticillioides and Fusarium proliferatum. These fungi are commonly found in corn throughout the United States.
This NebFact discusses the cause and occurrence of fumonisin in corn; the effects it has on plants, animals and humans; and management options to minimize fumonisin contamination.
Cc03-432 Make Every Drop Count In Your Home On Your Yard
Cc03-432 Make Every Drop Count In Your Home On Your Yard
University of Nebraska-Lincoln Extension: Historical Materials
Did You Know...
Weather adjustments to an automatic irrigation system can conserve A LOT of water.
A system applying 1 inch of water to an average size lawn (approximately 5,000 square feet) that has already received sufficient rain wastes over 3,000 gallons of water -- a year's supply of drinking water for 17 people.
Nf03-582 Early Season Extentstion Using Hotcaps, Laurie Hodges
Nf03-582 Early Season Extentstion Using Hotcaps, Laurie Hodges
University of Nebraska-Lincoln Extension: Historical Materials
Hotcaps are covers used to protect individual plants from low temperature stress early in the season. There are three common hotcap designs: opaque plastic milk jugs, waxed paper, and plastic water-filled tubes. They are usually used by home gardeners or market gardeners with limited production. Growers with more acres or more extensive production tend to use row covers or high tunnels that protect more than one plant.
This NebFact discusses the study methodology, findings, and conclusions to using hotcaps in the garden.
G02-1466 Determining The Need To Fertilize Landscape Trees And Shrubs (Revised March 2004), Scott J. Dewald, Steven D. Rasmussen, Charles A. Shapiro, Scott J. Josiah
G02-1466 Determining The Need To Fertilize Landscape Trees And Shrubs (Revised March 2004), Scott J. Dewald, Steven D. Rasmussen, Charles A. Shapiro, Scott J. Josiah
University of Nebraska-Lincoln Extension: Historical Materials
Most Nebraska soils are fertile enough to support tree and shrub growth without applying fertilizer. However, when woody plants exhibit poor growth or reduced vigor, yet have had adequate moisture and are not experiencing pest problems or other environmental limitations, the proper applicatin of fertilizer may be necessary. This NebGuide explains how to determine if fertilization of established trees and shrubs is required and how to apply the needed amount.
Nf02-561 Management Program For Common Root Rot And Fusarium Foot Rot (Crown Rot) (Revised September 2005), John E. Watkins
Nf02-561 Management Program For Common Root Rot And Fusarium Foot Rot (Crown Rot) (Revised September 2005), John E. Watkins
University of Nebraska-Lincoln Extension: Historical Materials
This NebFact, the Wheat Disease Fact Sheet No. 3 of a series, discusses the cause and occurrence, key symptoms, cultural management practices, fungicide programs, and applications for controlling common root rot and fusarium foot rot (crown rot) of wheat.