Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 56 for “"Diseases and pests"”.
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Evaluation of resistance in Glycine max to Fusarium virguliforme and in perennial Glycine species to Phakopsora pachyrhizi and Heterodera glycines
… (L.) Merr.] averages approximately 40% protein and 20% oil and is one of the world’s most important crops. Production of the crop is increasing, especially in less developed countries. Occurrence of diseases and pests affecting soybean have increased as production has expanded from its origin in …
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Chestnut (Castanea spp.) cultivar evaluation for commercial chestnut production in Hamilton County, Tennessee
… 85° 00ꞌ 03.97ꞌꞌ W elevation 230 meters. In 2003 and 2004, 534 trees were planted, representing 64 different cultivars, varieties, and species. Twenty trees from each of 20 different cultivars were planted as five-tree plots in a randomized complete block design in four blocks of 100 trees each, …
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Aplicação combinada de quitosana e óleo essencial de Mentha piperita L. no controle de fungos patógenos pós-colheita.
… their big impact in agriculture. The postharvest diseases are responsible for losses, in many cases, up to more than 50%. The control of diseases and pests in agriculture have been intensified and carried out through the usage of synthetic products, that has caused organisms' resistance, demanding …
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Precision Delivery of Multi-Scale Payloads to Tissue-Specific Targets in Plants
… to ensure the healthy growth of crops and productivity, therefore food security, particularly under current pressures, including escalating growing conditions associated with climate change (e.g., extreme weather, the spread of plant diseases and pests, lower soil quality), an …
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Genome and Transcriptome Based Characterization of Low Phytate Soybean and Rsv3-Type Resistance to Soybean Mosaic Virus
… for its use in multiple sectors such as food and feed industries, animal husbandry, cosmetics and pharmaceutical sectors, and more recently, in production of biodiesel. Increasing demand of soybean, changing environmental conditions, and evolution of pathogens pose challenges to soybean …
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Combining ability for yeild of imidazolinone resistant maize inbred lines under artificial and natural striga infestation
… thereby compounding the food insecurity of thousands of households in sub-Saharan Africa region. In Tanzania, maize is grown on about 2 million hectares but the yield obtained is very low. It is estimated at 1.3 tons ha-1. Various control measures against striga that have been used so far are not …
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Dwarf Mistletoe And Its Effect Upon The Growth Of Larch And Douglas Fir In Western Montana
… A. americanum, A, douglasii, A. vaginatum, and A. campylopodum have been recognized in North America. All of them are restricted to coniferous hosts. The aerial portions of the plant are small, not exceeding 2 1/2 inches in length, and constrain very little chlorophyll. They persist for only …
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Parasitic potential of Verticillium alboatrum from cultivated and uncultivated areas
… State University. Dept. of Botany and Plant Pathology, 1965
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Studies on the Mineola moth (Mineola scitulella) and other Northern Michigan fruit insects
… (M.S.)--Michigan State College of Agriculture and Applied Science. Dept. of Entomology, 1950
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A Temperature-Dependent Development Model for Willow Beetle Species (Coleoptera: Chrysomelidae) in Ireland: Simulation of Phenology/Voltinism in Response to Climate Change
Rising fossil fuel prices, energy security and adherence to existing European Union (EU) climate/energy policies means that Ireland must look towards alternative energy sources to meet future demand. Woody biomass in the form of short rotation coppice willow (SRCW) is considered a viable option. …
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Effect of Anaerobic Soil Disinfestation on Salmonella Concentration Using Different Soil Amendments
… to fumigation used to manage soilborne diseases and pests; however, little is known about ASD's impact on Salmonella. The study aimed to compare Salmonella die-off following inoculation in ASD and non-ASD processed soil and compare Salmonella die-off in amended and non-amended soils …
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Inactivation and transmission studies of the carnation viruses mosaic and streak
Typescript (photocopy).
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Studies on the survival of tylenchid nematodes associated with organic sod
Thesis (M.S.)--Michigan State University. Dept. of Entomology, 1968
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Investigations into the nature of the potato psyllid toxin
… of many solanaceous crops in the western U.S. and causes a disease in potatoes and tomatoes known as "psyllid yellows". The disease is caused by a phytotoxin produced by the potato psyllid that is systemic and causes many morphological changes in the host plant which can lead to crop loss. The …
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The biology and control of Nepticula slingerlandella Kearfott on tart cherries in Michigan
Thesis (M.S.)--Michigan State University. Dept. of Entomology, 1967
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Electron microscopy of aphid-transmissible and nonaphid-transmissible variants of pea enation mosaic virus in pea aphid, Acyrthosiphon pisum (Harris), and garden pea, Pisum sativum L
Thesis (Ph. D.)--Michigan State University. Dept. of Entomology, 1974
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