Now showing items 5-24 of 909

    • A high-temperature tolerant species in clade 9 of the genus Phytophthora: P-hydrogena sp nov 

      Yang, Xiao; Gallegly, Mannon E.; Hong, Chuanxue (Mycological Society of America, 2014-01)
      A previously unknown Phytophthora species was isolated from irrigation water in Virginia, USA. This novel species produces abundant noncaducous and nonpapillate sporangia in soil water extract solution. It sometimes produces ...
    • A Laboratory Miniproject in Plant Disease Diagnosis 

      Baudoin, A. (University of California Press, 1986-10)
    • A New Pyrenomycete Associated with Metrosideros collina Subspecies Polymorpha (Myrtaceae) 

      Roane, Martha K.; Fosberg, F. Raymond (Mycological Society of America, 1983)
      A new pyrenomycetea ssociated with dying trees of Metrosideros collina (Forst.) Gray subsp. polymorpha (Gaud.) Rock in the drier aspect of the ohia forests of Hawaii is described. Although pathogenicity has not been proven, ...
    • Accessing Virginia’s Retail Market Sector: Fresh Produce Food Safety Considerations 

      Vallotton, Amber D.; Battah, Alexandra; Knox, Ryan; Vargo, Adrianna; Archibald, Thomas G.; Boyer, Renee Raiden; Cooke, Natalie E.; Drape, Tiffany (Virginia Cooperative Extension, 2017-11-27)
      Despite the growing demand and support for local food, there can often be significant barriers for growers trying to tap into new markets, given specific food safety expectations, policies, and requirements. This trend is ...
    • Accession-Level Differentiation of Urushiol Levels, and Identification of Cardanols in Nascent Emerged Poison Ivy Seedlings 

      Lott, Aneirin A.; Baklajian, Emily R.; Dickinson, Christopher C.; Collakova, Eva; Jelesko, John G. (MDPI, 2019-11-20)
      Poison ivy (Toxicodendron radicans (L.) Kuntze) shows accession-level differentiation in a variety of morphometric traits, suggesting local adaptation. To investigate whether the presumed defense compound urushiol ...
    • The Accuracy of Genomic Prediction between Environments and Populations for Soft Wheat Traits 

      Huang, Mao; Ward, Brian; Griffey, Carl; Van Sanford, David; McKendry, Anne; Brown-Guedira, Gina; Tyagi, Priyanka; Sneller, Clay (2018-12)
      Genomic selection (GS) uses training population (TP) data to estimate the value of lines in a selection population. In breeding, the TP and selection population are often grown in different environments, which can cause ...
    • An aeroponic culture system for the study of root herbivory on Arabidopsis thaliana 

      Vaughan, Martha M.; Tholl, Dorothea; Tokuhisa, James G. (Biomed Central Ltd, 2011-03-10)
      Background Plant defense against herbivory has been studied primarily in aerial tissues. However, complex defense mechanisms have evolved in all parts of the plant to combat herbivore attack and these mechanisms are likely ...
    • Agronomy Handbook 

      Brann, Daniel Edward, 1945-; Abaye, Azenegashe Ozzie; Peterson, Paul R.; Chalmers, David Robert, 1951-; Whitt, David L.; Chappell, Glenn F.; Herbert, D. Ames; McNeill, Sam; Baker, James C.; Donohue, Stephen J.; Alley, Marcus M.; Evanylo, Gregory K.; Mullins, Gregory Lee; Hagood, Edward S.; Stallings, Charles C.; Umberger, Steven H.; Swann, Charles W.; Reed, David T.; Holshouser, David L. (Virginia Cooperative Extension, 2009-05-01)
      Provides readers with a source of agronomic information such as field crops, turfgrasses, variety selection, seed science, soil management, nutrient management and soil suitability for urban purposes that does not change ...
    • American (Fagus grandifolia) and European (Fagus sylvatica) Beeches 

      Niemiera, Alexander X. (Virginia Cooperative Extension, 2012-02-12)
      This publication covers the physical and main features, plant needs, functions, care, and additional information for the American and European Beeches.
    • American (Fagus grandifolia) and European (Fagus sylvatica) Beeches 

      Niemiera, Alexander X. (Virginia Cooperative Extension, 2018-10-04)
      Provides information about the physical features, growth requirements, and landscaping functions of American Beech (Fagus grandifolia) and European Beech (Fagus sylvatica)
    • American Beautyberry 

      Niemiera, Alexander Xavier, 1951- (Virginia Cooperative Extension, 2009-05-01)
      This publication covers the physical and main features, plant needs, functions, care, and additional information for the American Beautyberry.
    • American Beautyberry (Callicarpa americana) 

      Niemiera, Alexander Xavier, 1951- (Virginia Cooperative Extension, 2018-10-10)
      Provides information about the physical characteristics, growth requirements, and landscape functions for American Beautyberry, Callicarpa americana.
    • American Hornbeam, Carpinus caroliniana 

      Niemiera, Alexander Xavier, 1951- (Virginia Cooperative Extension, 2012-02-12)
      This publication covers the physical and main features, plant needs, functions, care, and additional information for the American Hornbeam.
    • American Hornbeam, Carpinus caroliniana 

      Niemiera, Alexander Xavier, 1951- (Virginia Cooperative Extension, 2018-10-04)
      Provides information about the physical features, growth requirements, and landscaping functions of American Hornbeam, Carpinus caroliniana
    • American Yellowood 

      Niemiera, Alexander Xavier, 1951- (Virginia Cooperative Extension, 2009-05-01)
      This publication covers the physical and main features, plant needs, functions, care, and additional information for the Yellowwood.
    • American Yellowwood (Cladrastis kentukea (prior name C. lutea)) 

      Niemiera, Alexander Xavier, 1951- (Virginia Cooperative Extension, 2018-10-10)
      Provides information about the physical characteristics, growth requirements, and landscape functions for American Yellowwood, Cladrastis kentukea.
    • Amino Acids Are an Ineffective Fertilizer for Dunaliella spp. Growth 

      Murphree, Colin A.; Dums, Jacob T.; Jain, Siddharth K.; Zhao, Chengsong; Young, Danielle Y.; Khoshnoodi, Nicole; Tikunov, Andrey; Macdonald, Jeffrey; Pilot, Guillaume; Sederoff, Heike (Frontiers, 2017-05-26)
      Autotrophic microalgae are a promising bioproducts platform. However, the fundamental requirements these organisms have for nitrogen fertilizer severely limit the impact and scale of their cultivation. As an alternative ...
    • Analyse des modes d'élevage et des ressources pastorales dans la commune rurale de Madiama 

      Kodio, Amadou; Adama, Ballo; El Hadj, Meriam; Abaye, Azenegashe Ozzie (2001)
      La commune rural de Madiama est confrontée à des conflits liés à lexploitation des ressources naturelles limitées dont les stratégies d'utilisation actuelles (agriculture, élevage et pêche° sont inadaptées (ESPGRN, 1996). ...
    • Analysis of T-DNA alleles of flavonoid biosynthesis genes in Arabidopsis ecotype Columbia 

      Bowerman, Peter A.; Ramirez, Melissa V.; Price, Michelle B.; Helm, Richard F.; Winkel, Brenda S. J. (2012-09-04)
      BACKGROUND: The flavonoid pathway is a long-standing and important tool for plant genetics, biochemistry, and molecular biology. Numerous flavonoid mutants have been identified in Arabidopsis over the past several decades ...
    • Analysis of the modes of breeding and pastoral resources in the rural community of Madiama, Mopti Region, Republic of Mali 

      Kodio, Amadou; Adama, Ballo; El Hadj, Meriam; Abaye, Azenegashe Ozzie (2001)
      Available also as a conference paper.