Open Access. Powered by Scholars. Published by Universities.®

Botany Commons

Open Access. Powered by Scholars. Published by Universities.®

8,606 Full-Text Articles 8,612 Authors 614,819 Downloads 152 Institutions

All Articles in Botany

Faceted Search

8,606 full-text articles. Page 1 of 132.

Canavalia And Dolichos Extracts For Sustainable Pest Biocontrol And Plant Nutrition Improvement In El Salvador, Carlos Martinez 2019 University of Nebraska - Lincoln

Canavalia And Dolichos Extracts For Sustainable Pest Biocontrol And Plant Nutrition Improvement In El Salvador, Carlos Martinez

Theses, Dissertations, and Student Research in Agronomy and Horticulture

Botanical repellents and pesticides are now being rediscovered as new tools for integrated pest management in order to reduce the use of toxic chemicals in crop production. Canavalia gladiata and Dolichos lablab are two Fabaceae very well adapted to farmlands of El Salvador, effective as living barriers and mostly as cover crops, however, they are not yet very well disseminated. This document describes the potential for using the liquid extracts and the dry flour of raw seeds of those plants for economic benefit and practical convenience for pest management in Salvadorian agriculture under field conditions. Seed extracts were useful when ...


Floral Resource Availability And Butterfly Community Characteristics In Cp-42 Pollinator Habitat Plantings, Ethan Marburger, Corinne Myers, Mark Myers 2019 University of Northern Iowa

Floral Resource Availability And Butterfly Community Characteristics In Cp-42 Pollinator Habitat Plantings, Ethan Marburger, Corinne Myers, Mark Myers

Mark C. Myers

Prairies once covered approximately 85% of Iowa, but due to extensive habitat loss less than 0.1% of native prairies remain (Smith 1998). Habitat loss in Iowa has been driven by agricultural expansion and intensification, and has resulted in the decline of many native insect pollinators. To curb habitat loss and restore habitat for pollinators, USDA’s Farm Service Agency (FSA) provides private landowners incentives to enroll agricultural land into the Conservation Reserve Program (CRP) Pollinator Habitat (CP-42) practice. The CP-42 conservation practice requires landowners to seed at least 9 species of pollinator friendly wildflowers, legumes, or shrubs on enrolled ...


Floral Resource Dynamics For Pollinators In A Central Iowa Tallgrass Prairie Restoration, Lily Conrad, Ben Hoksch, Mark C. Myers 2019 University of Northern Iowa

Floral Resource Dynamics For Pollinators In A Central Iowa Tallgrass Prairie Restoration, Lily Conrad, Ben Hoksch, Mark C. Myers

Mark C. Myers

Recently, native and managed colonies of pollinators, including bees, butterflies, and other insects, have experienced a largescale declines. In an effort to restore habitat for pollinators, the United States Department of Agriculture’s Farm Service Agency (FSA) created the CP-42 Pollinator Habitat conservation practice under the Conservation Reserve Program. This program pays private landowners to restore habitat for pollinator species with ecological and economic importance. To qualify for the program, CP-42 seed mixes must include:

• A minimum of 9 pollinator-friendly flowering plants,

• A minimum of three species in bloom during each of three seasonal periods (April-June 15, June 15-July, AugustOctober ...


Molecular Phylogeny Implemented In An Introductory Plant Classification Course, Chao Cai, Jo Ann Banks 2019 Purdue University

Molecular Phylogeny Implemented In An Introductory Plant Classification Course, Chao Cai, Jo Ann Banks

Libraries Faculty and Staff Presentations

Plant classification is one of the core components in undergraduate programs related to plant sciences. Traditionally plant classification courses primarily introduce morphology-based taxonomy because of practical needs in the field. However, the publication of new plant classification systems by Angiosperm Phylogeny Group (APG) using molecular phylogeny methods leads to the trends of using molecular evidence (DNA barcode) for plant identification. In our introductory plant classification course, we included a two-week module (lectures and labs) to introduce key concepts and fundamental skills in molecular phylogeny. Week 1 included concepts of evolutionary tree thinking, data mining in NCBI using BLAST search, and ...


Beyond The Binary (Part 1): Re-Envisioning The Complexity Of Life History Evolution In The Bromeliaceae With Comparative Data, Rachel Jabaily, Erin Bodine 2019 Rhodes College

Beyond The Binary (Part 1): Re-Envisioning The Complexity Of Life History Evolution In The Bromeliaceae With Comparative Data, Rachel Jabaily, Erin Bodine

Annual Symposium on Biomathematics and Ecology: Education and Research

No abstract provided.


Quantifying Pollen Traits To Build A Mathematical Model Of Pollen Competition - A Biologist's Perspective, Rob Swanson, Alex Capaldi 2019 Valparaiso University

Quantifying Pollen Traits To Build A Mathematical Model Of Pollen Competition - A Biologist's Perspective, Rob Swanson, Alex Capaldi

Annual Symposium on Biomathematics and Ecology: Education and Research

No abstract provided.


A Demographic Model Of The Endangered Florida Native Tillandsia Utriculata, Erin N. Bodine, Zoe S. Brookover, Alexandra Campbell, Brian D. Christman, Sydney L. Davis 2019 Rhodes College

A Demographic Model Of The Endangered Florida Native Tillandsia Utriculata, Erin N. Bodine, Zoe S. Brookover, Alexandra Campbell, Brian D. Christman, Sydney L. Davis

Annual Symposium on Biomathematics and Ecology: Education and Research

No abstract provided.


An Agent-Based Model Of An Endangered Florida Tillansia Utriculata Population, Erin N. Bodine, Alexandra Campbell, Anna C. Kula 2019 Rhodes College

An Agent-Based Model Of An Endangered Florida Tillansia Utriculata Population, Erin N. Bodine, Alexandra Campbell, Anna C. Kula

Annual Symposium on Biomathematics and Ecology: Education and Research

No abstract provided.


Gene Pyramids And The Balancing Act Of Keeping Pests At Bay, Gustavo C. Macintosh 2019 Iowa State University

Gene Pyramids And The Balancing Act Of Keeping Pests At Bay, Gustavo C. Macintosh

Biochemistry, Biophysics and Molecular Biology Publications

Pyramiding R genes is a common strategy used by breeders to enhance resistance and increase durability of resistance in crops. However, the molecular mechanisms that mediate R gene interactions are not known. Kamphuis et al. (2019) analyzed Medicago truncatula plants carrying two genes that confer resistance to bluegreen aphids. They identified a potential phytohormone crosstalk triggered by the combined R gene action in response to aphid feeding that enhances resistance and minimizes R gene-associated fitness costs to the plant.


The Effects Of Citric Acid On Ph And Nutrient Uptake In Wheatgrass (Triticum Aestivum), Cristina Tusei 2019 Humboldt State University

The Effects Of Citric Acid On Ph And Nutrient Uptake In Wheatgrass (Triticum Aestivum), Cristina Tusei

IdeaFest: Interdisciplinary Journal of Creative Works and Research from Humboldt State University

No abstract provided.


Steenbergen, Joel (Fa 1325), Manuscripts & Folklife Archives 2019 Western Kentucky University

Steenbergen, Joel (Fa 1325), Manuscripts & Folklife Archives

FA Finding Aids

Finding aid and full-text scan of paper (Click on “Additional Files” below) for Folklife Archives Project 1325. Student folk studies project titled “Ginseng: The Wonder of the World,” about the history and folklore of ginseng in the United States, its uses, the harvesting process and tools.


Dyer, Susan Joan (Spear) (Fa 1326), Manuscripts & Folklife Archives 2019 Western Kentucky University

Dyer, Susan Joan (Spear) (Fa 1326), Manuscripts & Folklife Archives

FA Finding Aids

Finding aid and full-text scan of paper (Click on “Additional Files” below) for Folklife Archives Project FA 1326. Student folk studies project titled “’Sengin’: Cultivation of an Endangered Species” about growing and harvesting ginseng in Williamson County, Tennessee. Photos include the growing stages of the ginseng plant, the harvesting process, and related tools.


Arkansas Wheat Cultivar Performance Tests 2018-2019, R. E. Mason, R. G. Miller, D. E. Moon, J. P. Kelley 2019 University of Arkansas, Fayetteville

Arkansas Wheat Cultivar Performance Tests 2018-2019, R. E. Mason, R. G. Miller, D. E. Moon, J. P. Kelley

Research Series

Wheat cultivar performance tests are conducted each year in Ark- ansas by the University of Arkansas System Division of Agriculture’s Arkansas Agricultural Experiment Station, Department of Crop, Soil and Environmental Sciences. The tests provide information to companies developing cultivars and marketing seed within the state and aid the Arkansas Cooperative Extension Service in formulating cultivar recommendations for small-grain producers. The tests are conducted at the Northeast Research and Extension Center at Keiser, the Vegetable Substation near Kibler, the Lon Mann Cotton Research Station near Marianna, the Newport Extension Center near Newport, the Rohwer Research Station near Rohwer, the Pine ...


Systematics And Ecology Of The Andean Neotropical Schefflera (Araliaceae) With Globose Capitate Inflorescences And Use Of Niche Modeling For Iucn Red List Threat Assessment Of Plerandra Elegantissima (Araliaceae), Carlos V. Rodrigues 2019 The Graduate Center, City University of New York

Systematics And Ecology Of The Andean Neotropical Schefflera (Araliaceae) With Globose Capitate Inflorescences And Use Of Niche Modeling For Iucn Red List Threat Assessment Of Plerandra Elegantissima (Araliaceae), Carlos V. Rodrigues

All Dissertations, Theses, and Capstone Projects

Since the end of the 19thcentury, ScheffleraJ.R. Forst. & G. Forst.has been recognized as the largest and most wide-ranging genus of Araliaceae. It can be found throughout the humid tropics and subtropics, is not particularly diverse at low elevations in the warmest regions, and a few taxa extend into warm-temperate areas. As currently circumscribed, the genus contains 605 described species and many hundreds more awaiting formal description. However, a succession of phylogenetic studies have confirmed that Schefflera, as currently circumscribed,is polyphyletic, comprising five geographically centered lineages scattered across the phylogenetic tree of Araliaceae, and informally ...


The Dispersal Pattern Of Thekopsora Minima In Wild Blueberry Determined By A Molecular Detection Method, Nghi Nguyen 2019 The University of Maine

The Dispersal Pattern Of Thekopsora Minima In Wild Blueberry Determined By A Molecular Detection Method, Nghi Nguyen

Electronic Theses and Dissertations

Blueberry rust caused by Thekopsora minima is a common disease in wild blueberry (Vaccinium angustifolium) and other Vaccinium genera. Understanding the spore dispersal pattern and disease cycle of fungal pathogens in wild blueberry is crucial for the development of a more efficient disease management program. Molecular assays for rapid detection and quantification of Thekopsora minima were developed to be incorporated with a spore trap sampling method and weather data collection to examine spore dispersal pattern and production in three different fields: Blueberry Hill Farm in Jonesboro, East Machias, and Spring Pond in Deblois, Maine, in three years 2014, 2015 and ...


B.R. Wells Arkansas Rice Research Studies, R. J. Norman, K. A.K. Moldenhauer 2019 University of Arkansas, Fayetteville

B.R. Wells Arkansas Rice Research Studies, R. J. Norman, K. A.K. Moldenhauer

Research Series

No abstract provided.


Rust And Viral Mosaic Diseases In Biofuel Switchgrass, Anthony A. Muhle 2019 University of Nebraska-Lincoln

Rust And Viral Mosaic Diseases In Biofuel Switchgrass, Anthony A. Muhle

Theses, Dissertations, and Student Research in Agronomy and Horticulture

Switchgrass (Panicum virgatum L.) is a perennial warm-season monocot that is indigenous to locations in North America east of the Rocky Mountains, and is considered a model grass for biofuel feedstock production. As switchgrass production increases, diseases pose a potential threat to biomass production and ethanol extraction. The two predominant switchgrass diseases in Nebraska are rust caused by Puccinia spp. and a viral mosaic disease caused by Panicum mosaic virus (PMV) and its associated Satellite panicum mosaic virus (SPMV). In this thesis, one study determined how SPMV affects PMV infection and systemic spread in two populations of switchgrass at different ...


Investigating Parental Effects On End-Use Quality In Hard Winter Wheat (Triticum Aestivum L.) Hybrids, Anthony Delaney 2019 University of Nebraska-Lincoln

Investigating Parental Effects On End-Use Quality In Hard Winter Wheat (Triticum Aestivum L.) Hybrids, Anthony Delaney

Theses, Dissertations, and Student Research in Agronomy and Horticulture

To optimize the performance and marketing of hybrid wheat, breeders need to understand the impact parents have on end-use quality. The goal of this study was to investigate the inheritance of end-use quality traits of hard winter wheat reciprocal hybrids produced by Easterly (2017). The 2016 analysis included 71 reciprocal hybrid combinations from 13 parents and the 2017 analysis included 79 reciprocal hybrid combinations from 14 parents. The reciprocals were composed of crosses between the top performing and bottom performing parents with respect to end-use quality as quantified by a Mixograph, a SDS sedimentation assay, and a SDS-SRC hybrid assay ...


An Integrated Genomics And Phenomics Approach To Study The Evolution Of C4 Photosynthesis, Daniel Santana de Carvalho 2019 University of Nebraska-Lincoln

An Integrated Genomics And Phenomics Approach To Study The Evolution Of C4 Photosynthesis, Daniel Santana De Carvalho

Theses, Dissertations, and Student Research in Agronomy and Horticulture

The C4 photosynthetic pathway was first described over 50 years ago. Today, it is known that C4 evolved independently > 60 in plant lineages, which involves understanding not only the genetic, but also the metabolic features and differences involved in this process. Also, several adaptations are involved in the evolution of this type of photosynthesis, for example: changes in leaf anatomy and the evolution of kranz anatomy, physiology and metabolic pathways. In order to further investigate this pathway, different technologies and methods have been developed to unravel genes involved in C4 photosynthesis. With the advances in molecular biology and bioinformatics tools ...


Hormonal Signaling Induced In Soybean By Lysobacter Enzymogenes Strain C3, Jessica C. Walnut 2019 University of Nebraska-Lincoln

Hormonal Signaling Induced In Soybean By Lysobacter Enzymogenes Strain C3, Jessica C. Walnut

Theses, Dissertations, and Student Research in Agronomy and Horticulture

The biological control bacterium Lysobacter enzymogenes strain C3 has been shown to suppress fungal diseases by producing a suite of lytic enzymes and antimicrobial secondary metabolites. Previous studies have found that C3, when applied to grass and cereal plants, also is capable of inducing local and systemic resistance against fungal pathogens. It is unknown, however, whether the bacterium has the ability to induce resistance in dicots and what signaling pathways are involved. This study assessed the ability of C3 to trigger local and systemic induced resistance responses in soybean (Glycine max ‘Williams82’) by analyzing relative expression of salicylic acid (SA ...


Digital Commons powered by bepress