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Articles 1801 - 1830 of 2673

Full-Text Articles in Other Plant Sciences

Dollar Spot Fungus Sclerotinla Homoeocarpa Produces Oxalic Acid, R. C. Venu, Robert A. Beaulieu, Terrance L. Graham, Ainhoa Martinez Medina, Michael J. Boehm Jan 2009

Dollar Spot Fungus Sclerotinla Homoeocarpa Produces Oxalic Acid, R. C. Venu, Robert A. Beaulieu, Terrance L. Graham, Ainhoa Martinez Medina, Michael J. Boehm

Department of Plant Pathology: Faculty Publications

Dollar spot, caused by Sclerotinia homoeocarpa,. is one of the most devastating diseases of turfgrass worldwide. Many fungi belonging to the genus Sclerotinia produce oxalic acid along with pectolytic cell wall-degrading enzymes. A series of in vitro experiments showed the relationships among temperature, pH, mycelial growth and acid production. Mycelial growth and acid production were most abundant when S. homoeocarpa was grown between 20 and 30°C. Acid production by S. homoeocarpa appeared to be dependent upon the pH of the environment in which it was grown. High performance liquid chromatography analysis of spent broth revealed the presence of oxalic acid. …


Molecular Characterization Of Citrus Tatter Leaf Virus Historically Associated With Meyer Lemon Trees: Complete Genome Sequence And Development Of Biologically Active In Vitro Transcripts, Satyanarayana Tatineni, Mohammad R. Afunian, Mark E. Hilf, Siddarame Gowda, William O. Dawson, Stephen M. Garnsey Jan 2009

Molecular Characterization Of Citrus Tatter Leaf Virus Historically Associated With Meyer Lemon Trees: Complete Genome Sequence And Development Of Biologically Active In Vitro Transcripts, Satyanarayana Tatineni, Mohammad R. Afunian, Mark E. Hilf, Siddarame Gowda, William O. Dawson, Stephen M. Garnsey

Department of Plant Pathology: Faculty Publications

Citrus tatter leaf virus isolated from Meyer lemon trees (CTLV-ML) from California and Florida induces bud union incompatibility of citrus trees grafted on the widely used trifoliate and trifoliate hybrid rootstocks. The complete genome sequence of CTLV-ML was determined to be 6,495 nucleotides (nts), with two overlapping open reading frames (ORFs) and a poly (A) tail at the 3′ end. The genome organization is similar to other capilloviruses, with ORF1 (nts 37 to 6,354) encoding a putative 242-kDa polyprotein which contains replication-associated domains plus a coat protein (CP), and ORF2 (nts 4,788 to 5,750), which is located within ORF1 in …


Plant-Microbes Interactions In Enhanced Fertilizer-Use Efficiency, Anthony O. Adesemoye, Joseph W. Kloepper Jan 2009

Plant-Microbes Interactions In Enhanced Fertilizer-Use Efficiency, Anthony O. Adesemoye, Joseph W. Kloepper

Department of Plant Pathology: Faculty Publications

The continued use of chemical fertilizers and manures for enhanced soil fertility and crop productivity often results in unexpected harmful environmental effects, including leaching of nitrate into groundwater, surface runoff of phosphorus and nitrogen runoff, and eutrophication of aquatic ecosystems. Integrated nutrient management systems are needed to maintain agricultural productivity and protect the environment. Microbial inoculants are promising components of such management systems. This review is a critical summary of the efforts in using microbial inoculants, including plant growth-promoting rhizobacteria and arbuscular mycorrhizal fungi for increasing the use efficiency of fertilizers. Studies with microbial inoculants and nutrients have demonstrated that …


Bulked Segregant Analysis Using The Goldengate Assay To Locate The Rpp3 Locus That Confers Resistance To Soybean Rust In Soybean, D. L. Hyten, James R. Smith, Reid D. Frederick, Mark L. Tucker, Qijian Song, P. B. Cregan Jan 2009

Bulked Segregant Analysis Using The Goldengate Assay To Locate The Rpp3 Locus That Confers Resistance To Soybean Rust In Soybean, D. L. Hyten, James R. Smith, Reid D. Frederick, Mark L. Tucker, Qijian Song, P. B. Cregan

Department of Agronomy and Horticulture: Faculty Publications

Few resistance loci to soybean rust (SBR), caused by Phakopsora pachyrhizi Syd., have been genetically mapped and linked to molecular markers that can be used for marker assisted selection. New technologies are available for single nucleotide polymorphism (SNP) genotyping that can be used to rapidly map traits controlled by single loci such as resistance to SBR. Our objective was to demonstrate that the highthroughput SNP genotyping method known as the GoldenGate assay can be used to perform bulked segregant analysis (BSA) to fi nd candidate regions to facilitate effi cient mapping of a dominant resistant locus to SBR designated Rpp3 …


Mapping And Confirmation Of A New Allele At Rpp1 From Soybean Pi 594538a Conferring Rb Lesion–Type Resistance To Soybean Rust, Nanda Chakraborty, Joe Curley, Reid D. Frederick, D. L. Hyten, Randall L. Nelson, Glen L. Hartman, Brian W. Diers Jan 2009

Mapping And Confirmation Of A New Allele At Rpp1 From Soybean Pi 594538a Conferring Rb Lesion–Type Resistance To Soybean Rust, Nanda Chakraborty, Joe Curley, Reid D. Frederick, D. L. Hyten, Randall L. Nelson, Glen L. Hartman, Brian W. Diers

Department of Agronomy and Horticulture: Faculty Publications

Soybean rust, caused by Phakopsora pachyrhizi (H. Sydow & Sydow), is a destructive soybean [Glycine max (L.) Merr.] disease and identification of new resistance genes is essential for effective rust management. Our research objectives were to map and confirm the location of resistance gene(s) in PI 594538A using a population of 98 F3:4 lines from across between PI 594538A (reddish-brown [RB] lesions) and the susceptible cultivar Loda (tan [TAN] lesions). The lines were inoculated with the P. pachyrhizi isolate ZM01-1 from Zimbabwe. The RB resistance in PI 594538A mapped on linkage group G as a single dominant gene. …


Detection And Validation Of Single Feature Polymorphisms Using Rna Expression Data From A Rice Genome Array, Sung-Hyun Kim, Prasanna R. Bhat, Xinping Cui, Harkamal Walia, Jin Xu, Steve Wanamaker, Abdelbagi M. Ismail, Clyde Wilson, Timothy J. Close Jan 2009

Detection And Validation Of Single Feature Polymorphisms Using Rna Expression Data From A Rice Genome Array, Sung-Hyun Kim, Prasanna R. Bhat, Xinping Cui, Harkamal Walia, Jin Xu, Steve Wanamaker, Abdelbagi M. Ismail, Clyde Wilson, Timothy J. Close

Department of Agronomy and Horticulture: Faculty Publications

Background: A large number of genetic variations have been identified in rice. Such variations must in many cases control phenotypic differences in abiotic stress tolerance and other traits. A single feature polymorphism (SFP) is an oligonucleotide array-based polymorphism which can be used for identification of SNPs or insertion/deletions (INDELs) for high throughput genotyping and high density mapping. Here we applied SFP markers to a lingering question about the source of salt tolerance in a particular rice recombinant inbred line (RIL) derived from a salt tolerant and salt sensitive parent. Results: Expression data obtained by hybridizing RNA to an oligonucleotide array …


Antibiotic Use In Animal Production: Environmental Concerns, Teshome H. Regassa, Richard K. Koelsch, Charles S. Wortmann, Richard F. Randle, Akwasi A. Abunyewa Jan 2009

Antibiotic Use In Animal Production: Environmental Concerns, Teshome H. Regassa, Richard K. Koelsch, Charles S. Wortmann, Richard F. Randle, Akwasi A. Abunyewa

Department of Agronomy and Horticulture: Faculty Publications

Introduction

Antibiotic1 use in animal production has led to improved feed use efficiency and increased growth rates. In turn, these resulted in reduced food production costs and reduced excrement of manure nutrients which may cause pollution problems.

On the other hand, antibiotic use leads to antibiotic resistance and a possible reduction in effectiveness of treatment options for both animals and humans. This publication addresses these issues.

Disease-causing microorganisms2, including bacteria,are the most diverse and numerous organisms on earth. Diverse in their habitat, environmental adaptation, and mechanisms of reproduction, they have short generations with high multiplication rates. Such characteristics help develop …


Integrated Management Strategies For Phytophthora Sojae Combining Host Resistance And Seed Treatments, A. E. Dorrance, A. E. Robertson, S. Cianzo, L. J. Giesler, C. R. Grau, M. A. Draper, A. U. Tenuta, T. R. Anderson Dec 2008

Integrated Management Strategies For Phytophthora Sojae Combining Host Resistance And Seed Treatments, A. E. Dorrance, A. E. Robertson, S. Cianzo, L. J. Giesler, C. R. Grau, M. A. Draper, A. U. Tenuta, T. R. Anderson

Department of Plant Pathology: Faculty Publications

Phytophthora sojae has re-emerged as a serious soybean pathogen in the past decade. This may be due in part to changes in resistance levels in current cultivars, adoption of P. sojae populations to deployed Rps genes, and highly favorable environments in the past decade. This multilocation study evaluated the effect of seed treatments on the incidence and severity of Phytophthora root and stem rot on soybeans with different combinations of Rps genes and levels of partial resistance. The efficacy of the seed treatments was highly variable across locations. Seed treatments (metalaxyl and mefenoxam) provided protection and increased yields across cultivars …


A High-Oleic-Acid And Low-Palmitic-Acid Soybean: Agronomic Performance And Evaluation As A Feedstock For Biodiesel, George L. Graef, Bradley J. Lavallee, Patrick Tenopir, Mustafa Tat, Bruce Schweiger, Anthony J. Kinney, Jon H. Van Gerpen, Thomas E. Clemente Dec 2008

A High-Oleic-Acid And Low-Palmitic-Acid Soybean: Agronomic Performance And Evaluation As A Feedstock For Biodiesel, George L. Graef, Bradley J. Lavallee, Patrick Tenopir, Mustafa Tat, Bruce Schweiger, Anthony J. Kinney, Jon H. Van Gerpen, Thomas E. Clemente

Department of Agronomy and Horticulture: Faculty Publications

Phenotypic characterization of soybean event 335-13, which possesses oil with an increased oleic acid content (> 85%) and reduced palmitic acid content (< 5%), was conducted across multiple environments during 2004 and 2005. Under these conditions, the stability of the novel fatty acid profile of the oil was not influenced by environment. Importantly, the novel soybean event 335-13 was not compromised in yield in both irrigated and non-irrigated production schemes. Moreover, seed characteristics, including total oil and protein, as well as amino acid profile, were not altered as a result of the large shift in the fatty acid profile. The novel oil trait was inherited in a simple Mendelian fashion. The event 335-13 was also evaluated as a feedstock for biodiesel. Extruded oil from event 335-13 produced a biodiesel with improved cold flow and enhanced oxidative stability, two critical fuel parameters that can limit the utility of this renewable transportation fuel.


Evaluation Of Competition Between Turfgrass And Trees In The Landscape, Christopher A. Hendrickson Dec 2008

Evaluation Of Competition Between Turfgrass And Trees In The Landscape, Christopher A. Hendrickson

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Population growth in regions of the Intermountain West has resulted in rapid growth of residential neighborhoods. In Utah, the landscapes associated with these expanding neighborhoods consume vast quantities of treated water. This is a concern in all states of the Intermountain West, as water becomes increasingly scarce. Traditionally used turfgrasses, trees and other plants in Intermountain West landscapes require significant amounts of supplemental water considering the intense sunlight, dry winds and sparse rainfall typical of the region. Characterizing the interactions between turfgrass and tree species in these landscapes can aid in the identification of candidate species that consume less nutritional …


First Report Of Soybean Rust Caused By Phakopsora Pachyrhizi In Nebraska, S. R. Watson, L. J. Giesler, A. D. Ziems, T. E. Brovont Nov 2008

First Report Of Soybean Rust Caused By Phakopsora Pachyrhizi In Nebraska, S. R. Watson, L. J. Giesler, A. D. Ziems, T. E. Brovont

Department of Plant Pathology: Faculty Publications

Soybean rust caused by Phakopsora pachyrhizi Sydow was first observed in the continental United States in Louisiana in November 2004 (2). As part of the national soybean rust monitoring effort, samples were collected on 3 October 2007 during the scouting of fields with green leaves in southeastern Nebraska. After incubation at room temperature for 24 h, uredinea and urediniospores were observed with microscopic examination. Urediniospores were obovoid, hyaline to pale brown, and measured 20 to 30 × 18 to 20 μm.


Nebline, Nov./Dec. 2008 Nov 2008

Nebline, Nov./Dec. 2008

NEBLINE Newsletter Archive from Nebraska Extension in Lancaster County

Make a Difference: Reduce, Reuse, Recycle
2008 Crop Year in Review
Preserve Grain Quality with Aeration Management
Estimating Corn Drydown Time
It’s Not Easy Being Green During Nebraska’s Winters
Put on an Extra Blanket (Winter Mulching)
Avoid Stacking Firewood Next to House
The Keys to a Perfect Thanksgiving Meal
$tretch Your Food Dollar During the Holiday Season
Healthy Eating: Easy as Pie—Turkey Pot Pie
Family & Community Education (FCE) Clubs: Presidents’ Notes—Bonnie’s Bits
FCE News & Events
Household Hints: Keep Kitchen and Bathroom Clean During Guest Season
Skip the “Humbug!” 10 Tips to Relieve Holiday Stress
Housecleaning Ergonomics: How to …


Center For Grassland Studies Newsletter, Fall 2008, Volume 14, No. 4 Oct 2008

Center For Grassland Studies Newsletter, Fall 2008, Volume 14, No. 4

Center for Grassland Studies: Newsletters

Contents:
Managing Grasslands for Structural Heterogeneity by Alexander Smart, Department of Animal and Range Sciences, South Dakota State University
Yellow Nutsedge: The Scourge of Lawns and Landscapes in Nebraska by Roch Gaussoin, Department of Agronomy and Horticulture, UNL
Targeting Habitat Dollars with Computers: Maximizing the Value of Data for Conservation by Drew Tyre, School of Natural Resources, UNL, with Naikoa Aguilar-Amustechegui, University of North Carolina-Wilmington and Max Post van der Burg, SNR, UNL
2008 Nebraska Grazing Conference Best Yet!


Nebline, October 2008 Oct 2008

Nebline, October 2008

NEBLINE Newsletter Archive from Nebraska Extension in Lancaster County

Introducing the Nebraska 4-H Diamond Clover Program
How to Reduce Energy Cost for Grain Drying
Use Season-Long Records to Assess Pumping Plant Performance
Proper Care of Pumpkins and Gourds Means Use Beyond Halloween Decor
Fall Planting
Poinsettia
Deer Damage
Compost Excellent Tool to Correct Soil Erosion
Cleaning the Kitchen Cupboard: Toss or Save?
$tretch Your Food Dollar with “Healthy Treats” (No Tricks)
Healthy Eating: Homemade Whole Grain Croutons
Family & Community Education (FCE) Clubs: Presidents’ Notes—Bonnie’s Bits
FCE News & Events
Household Hints: Compact Fluorescent Bulbs
Protect Credit Ratings With Proper Debt Management
Make a Cornucopia from the Garden
10 …


Enhanced Plant Nutrient Use Efficiency With Pgpr And Amf In An Integrated Nutrient Management System, A. O. Adesemoye, H. A. Torbert, J. W. Kloepper Oct 2008

Enhanced Plant Nutrient Use Efficiency With Pgpr And Amf In An Integrated Nutrient Management System, A. O. Adesemoye, H. A. Torbert, J. W. Kloepper

Department of Plant Pathology: Faculty Publications

A 3-year field study was conducted with field corn from 2005 to 2007 to test the hypothesis that microbial inoculants that increase plant growth and yield can enhance nutrient uptake, and thereby remove more nutrients—especially N, P, and K—from the field as part of an integrated nutrient management system. The field trial evaluated microbial inoculants, which include a commercially available plant growth-promoting rhizobacteria (PGPR), arbuscular mycorrhiza fungi (AMF), and their combination across 2 tillage systems (no-till and conventional till) and 2 fertilization regimes (poultry litter and ammonium nitrate). Data were collected on plant height, yield (dry mass of ears and …


Nebline, September 2008 Sep 2008

Nebline, September 2008

NEBLINE Newsletter Archive from Nebraska Extension in Lancaster County

Establishing and Maintaining Lawns in Low Light
Fending Off Asian Lady Beetles
UNL Water Web Site
Landscaping for Energy
Planting Balled and Burlapped Plants
Planting Peonies
Well Abandonments
The Mothball Mishap and Other Thoughtless Ways to Misuse Pesticides
The Truth about Hedge Apples
Kids Are Back in School and So Are Head Lice
Freezing Sandwiches
Family & Community Education (FCE) Clubs: Presidents’ Notes—Bonnie’s Bits
FCE News & Events
Household Hints: Clean oven and BBQ mitts
Parenting Athletes to be Good Sports
Great Fans. Great Sports. Sportsmanship Checklist
Controlling Winter Annual Grasses in Pastures
Fall Is a Good Time to Control …


Nebline, August 2008 Aug 2008

Nebline, August 2008

NEBLINE Newsletter Archive from Nebraska Extension in Lancaster County

4-H’ers Develop Leadership Skills at Lancaster County Fair
Plant Alfalfa in August
How to Minimize Losses When Storing Hay Outside
Buffer pH Indicates Amount of Lime to Add to Acid Soil
Two-Spotted Spider Mites
Seeding New Cool Season Turfgrass
Slow-Release Fertilizers
Why Do Petunias Do That?
Converting Outdoor Flowers to House Plants for Winter
Fruit and Veggie “Bites”
$tretch Your Food Dollar by Eating More Fruits and Vegetables!
Healthy Eating: Pasta Frittata with Tomatoes
Family & Community Education (FCE) Clubs: Presidents’ Notes—Bonnie’s Bits
FCE News & Events
FCE Sizzling Summer Sampler a Success
Boost Your Child’s Brain Power
Household Hints: …


Center For Grassland Studies Newsletter, Summer 2008, Volume 14, No. 3 Jul 2008

Center For Grassland Studies Newsletter, Summer 2008, Volume 14, No. 3

Center for Grassland Studies: Newsletters

Contents:
Are the Sandhills Fragile? by James Stubbendieck and Susan J. Tunnell, Department of Agronomy and Horticulture, UNL

Forage Triticale (X Triticosecale Wittmack) Genotypes for the Northern Great Plains by Lekgari Lekgari and P. Stephen Baenziger, Department of Agronomy and Horticulture, UNL

Progress Being Made in Implementing the Nebraska Natural Legacy Plan

Soil and Water Conservation Conference: Farming with Grass

August 1 is Pre-registration Deadline for Nebraska Grazing Conference

We’ve Moved!


Nebline, July 2008 Jul 2008

Nebline, July 2008

NEBLINE Newsletter Archive from Nebraska Extension in Lancaster County

Homemade Skillet Meals: Easy, Healthy & Low-Cost
Create Your Own Skillet Meal
Colorful Annual Vines
Watch out for Poison Ivy
Summer Pruning of Apple Trees
Keep the Vegetables Coming with a Fall Garden
Cost of Pumping Water for Domestic and Acreage Needs
Managing Financial Risk During Boom Periods
Plan the Timing of Grass Hay Harvest
Midges: Non-biting Gnats
Midge Control Program at Capitol Beach
Bats In and Around Structures
Bats and Disease
Supermarket Savings: 16 Tips that Can Total Big Bucks
Family & Community Education (FCE) Clubs: Presidents’ Notes—Bonnie’s Bits
FCE News & Events
Household Hints: Swimsuit Care
Strengthening Family …


Sheep Updates 2008 - Part 2, Meredith L. Sheil, Di Evans, Brown Besier, Tim Scanlon, Andre Martinho De Almeida, Johan Greeff, Tanya Kilminster, John Milton, Chris Oldham, B. L. Mcintyre, Alison Wheatley, John Lucey, Fiona Jones, Nick Costa, Ed Riggall, J. R. L. Hall, Robin Jacob, Dave Pethick, Dave Hopkins, Graham Gardner Jul 2008

Sheep Updates 2008 - Part 2, Meredith L. Sheil, Di Evans, Brown Besier, Tim Scanlon, Andre Martinho De Almeida, Johan Greeff, Tanya Kilminster, John Milton, Chris Oldham, B. L. Mcintyre, Alison Wheatley, John Lucey, Fiona Jones, Nick Costa, Ed Riggall, J. R. L. Hall, Robin Jacob, Dave Pethick, Dave Hopkins, Graham Gardner

Sheep Updates

This session covers eleven papers from different authors: The Sheep Room 1. Analgesia for Surgical Husbandry Procedures in Sheep and Other Livestock, Dr Meredith L. Sheil, Animal Ethics Pty Ltd, Associate Sydney University Faculty of Veterinary Science The Wool Enterprise 2. Unmulsed sheep - implications for chemical use, Di Evans & Brown Besier, Department of Agriculture and Food WA 3. Are Damara and Dorper sheep better adapted than Merinos to nutritional stress? - Growth rates, Tim Scanlon1, Andre Martinho de Almeida2, Johan Greeff1, Tanya Kilminster1, John Milton3, Chris Oldham1, Department of Agriculture and Food WA1, Instituto de Investigacao Cientifica Tropical, …


Method For Efficient Post Transcriptional Gene Slencing Using Intrinsic Direct Repeat Sequences And Utilization Thereof Infunctional Genomics, Amitava Mitra, Chonglie Ma Jun 2008

Method For Efficient Post Transcriptional Gene Slencing Using Intrinsic Direct Repeat Sequences And Utilization Thereof Infunctional Genomics, Amitava Mitra, Chonglie Ma

Department of Plant Pathology: Faculty Publications

It is well documented that transgenes with inverted repeats can efficiently trigger post-transcriptional gene silencing (PTGS), presumably via a double stranded RNA induced by complementary sequences in their transcripts. We show here that transgenes with intrinsic direct repeats can also induce PTGS at a very high frequency (80-100%). A transgene with three or four repeats induced PTGS in almost 100% of the primary transformants, regardless of whether a strong (en hanced 35S promoter) or a relatively weak (chlorophyll a?b binding protein promoter) promoter was used. The PTGS induced by three or four repeats is consistently inherited in Subsequent generations, and …


An Antibiotic Complex From Lysobacter Enzymogenes Strain C3: Antimicrobial Activity And Role In Plant Disease Control, S. Li, C. C. Jochum, F. Yu, K. Zaleta-Rivera, L. Du, Steven D. Harris, Gary Y. Yuen Jun 2008

An Antibiotic Complex From Lysobacter Enzymogenes Strain C3: Antimicrobial Activity And Role In Plant Disease Control, S. Li, C. C. Jochum, F. Yu, K. Zaleta-Rivera, L. Du, Steven D. Harris, Gary Y. Yuen

Department of Plant Pathology: Faculty Publications

Lysobacter enzymogenes C3 is a bacterial biological control agent that exhibits antagonism against multiple fungal pathogens. Its antifungal activity was attributed in part to lytic enzymes. In this study, a heat-stable antifungal factor (HSAF), an antibiotic complex consisting of dihydromaltophilin and structurally related macrocyclic lactams, was found to be responsible for antagonism by C3 against fungi and oomycetes in culture. HSAF in purified form exhibited inhibitory activity against a wide range of fungal and oomycetes species in vitro, inhibiting spore germination, and disrupting hyphal polarity in sensitive fungi. When applied to tall fescue leaves as a partially-purified extract, HSAF at …


Nebline, June 2008 Jun 2008

Nebline, June 2008

NEBLINE Newsletter Archive from Nebraska Extension in Lancaster County

Local Dairy Entrepreneurs Are Filling Market Niches
Effect of Fuel Price Increase on Production Costs
Calibrating Hand-Held Sprayers
Practice Water Conservation to Lengthen Septic System Life
Don’t Mistake Blossom End Rot for Mold on Tomatoes
Control of Biting Flies
Add “Star” Appeal to Fruit Dishes
Fresh Food, Fun, Friendly People: Farmers’ Markets
$tretch Your Food Dollar by Using Dry Milk
Frozen Fudge Bars Recipe
Presidents’ Notes—Bonnie’s Bits
Household Hints: Go Green—Clean with Vinegar
FCE News & Events
June is Home Safety Month— Tips for creating a safer home
Youth Can Explore Career Options at Big Red Camps
Emerging Pest: Emerald …


Nebline, May 2008 May 2008

Nebline, May 2008

NEBLINE Newsletter Archive from Nebraska Extension in Lancaster County

The Ants Go Marching...
What’s Good About Ants?
Pond Measurements
Establishing a Commercial Vineyard
Tips For Handling Pesticides Safely
It’s Spring: Watch for Signs of Termites
Everything Homeowners Need to Know About Termite Control
Reduce Your Risk of Rabies Exposure
Rabies Symptoms
Put Your Hummingbird Feeders Out Now
$tretch Your Food Dollar by Buying Fruits and Vegetables in Season
Orange Pork Chops Recipe
Basic Foods for Cupboard, Fridge & Freezer: Create Your Own List!
Presidents’ Notes—Bonnie’s Bits
Household Hints: Many uses for Baking Soda
FCE News & Events
Clean Up of Compact Fluorescent Light Bulbs
It’s About Time (Management)
Strengthening …


Simulated Browsing Impacts On Aspen Suckers' Density, Growth, And Nutritional Responses, Koketso Tshireletso May 2008

Simulated Browsing Impacts On Aspen Suckers' Density, Growth, And Nutritional Responses, Koketso Tshireletso

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Heavy and repeated ungulate browsing on reproductive suckers has limited trembling aspen (Populus tremuloides Michx.) regeneration on many Western landscapes. However, little is known about the specific effects of season and intensity of browsing. My objectives were to determine the effects of season and intensity of clipping (simulated browsing) on suckers’ (1) density and growth characteristics, and (2) nutritional quality and quantity.

Three randomly selected stands were clear-felled in mid-July, 2005, and fenced. Simulated browsing treatments of 0%, 20%, 40%, and 60% removal of current year’s growth were randomly applied in early, mid-, and late summers of 2006 and …


Plant Functional Types Do Not Predict Biomass Responses To Removal And Fertilization In Alaskan Tussock Tundra, M. Syndonia Bret-Harte, Michelle C. Mack, Gregory R. Goldsmith, Daniel B. Sloan, Jennie Demarco, Gaius R. Shaver, Peter M. Ray, Zy Biesinger, F. Stuart Chapin Apr 2008

Plant Functional Types Do Not Predict Biomass Responses To Removal And Fertilization In Alaskan Tussock Tundra, M. Syndonia Bret-Harte, Michelle C. Mack, Gregory R. Goldsmith, Daniel B. Sloan, Jennie Demarco, Gaius R. Shaver, Peter M. Ray, Zy Biesinger, F. Stuart Chapin

Biology, Chemistry, and Environmental Sciences Faculty Articles and Research

1. Plant communities in natural ecosystems are changing and species are being lost due to anthropogenic impacts including global warming and increasing nitrogen (N) deposition. We removed dominant species, combinations of species and entire functional types from Alaskan tussock tundra, in the presence and absence of fertilization, to examine the effects of non-random species loss on plant interactions and ecosystem functioning.

2. After 6 years, growth of remaining species had compensated for biomass loss due to removal in all treatments except the combined removal of moss, Betula nana and Ledum palustre (MBL), which removed the most biomass. Total vascular plant …


Center For Grassland Studies Newsletter, Spring 2008, Volume 14, No. 2 Apr 2008

Center For Grassland Studies Newsletter, Spring 2008, Volume 14, No. 2

Center for Grassland Studies: Newsletters

Contents:

Restricted Feeding Can Improve Performance of Growing Steers Prior to Grazing on Burned Native Flint Hills Pasture by Chad Anglin, Dale Blasi, KC Olson, Chris Reinhardt, Marc Epp, Rodney Derstein, and Brian Barnhardt, Department of Animal Sciences and Industry, Kansas State University

UNL Study Reports on the Cost of Growing Switchgrass as Ethanol Feedstock by Brian Williams and Richard Perrin, Department of Agricultural Economics, UNL

Water Is Focus of Prairie Conference

Professional Golf Management Highlights

2008 Nike Golf Camp in Lincoln This July

Program for 2008 Nebraska Grazing Conference

The Nebraska Range Shortcourse

2008 Nebraska Beef Cattle Report Available …


Nebline, April 2008 Apr 2008

Nebline, April 2008

NEBLINE Newsletter Archive from Nebraska Extension in Lancaster County

Proper Yard Waste Management
Helps Reduce Storm Water Pollution
Rental Arrangements Changing with the Times Part 2 — Flexible Cash Leases
Establishing a Commercial Vineyard
The Stately American Elm
Glossy Plant Ads
Spraying For Weeds May Also Damage Other Plants
Thank You Master Gardeners!
Planning to Plant a Tree for Arbor Day? Read This First!
Controlling Fleas
Everything Homeowners Need to Know About Termite Control
UNL Termite Researcher Needs Infested House!
Managing Deer Damage
Household Hazardous Waste Collections
Name That Food!
Country Style Potato Salad Recipe
$tretch Your Food Dollar With These 10 Money $aving $trategies
What Counts as a …


Adding Value To Swine Manure Through Accurate Prediction Of Organic Nitrogen Availability, Charles S. Wortman, Charles Shapiro, Aaron Nygren Mar 2008

Adding Value To Swine Manure Through Accurate Prediction Of Organic Nitrogen Availability, Charles S. Wortman, Charles Shapiro, Aaron Nygren

Department of Agronomy and Horticulture: Faculty Publications

Animal manure contains organic and inorganic nitrogen. The inorganic N, which is mostly ammonium-N but nitrate-N can be significant in composted manure, is typically considered to be 100% plant available if there are not significant losses, especially due to volatilization of ammonia-N. The availability of organic N, which is mostly from undigested and partially digested plant material needs to be mineralized to become plant available, is less predictable. Field research was conducted in eastern Nebraska to improve the basis for estimating organic N availability from injected or incorporated swine manure and from surface applied composted and stockpiled FM. The factors …


Nebline, March 2008 Mar 2008

Nebline, March 2008

NEBLINE Newsletter Archive from Nebraska Extension in Lancaster County

Eat Smart: How to Fill Up, Not Out!
Foods Which Help You Feel Full
Portion Control Tips
East Campus Walking Tour
All-America Selections for 2008
Easter Lily Care
Colony Collapse Disorder: Recent Loss of Hives a Mystery
Beginning Beekeeping 2-Day Workshop
Drain Flies
Voles
Rental Arrangements Changing with the Times Part 1 — Traditional Leases
Biosolids Improves Soil and Cuts Production Costs: Workshop March 3
Chemigation Training and Testing, March 6
Pioneer Farm Family Award Applications Due May 1
So You’re Considering an Orchard
Establishing a Commercial Vineyard
Plant Propagation: Grafting
Tiny Bites Total Big Calories!
Easy Deviled Eggs Recipe …