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 785 for “"PEST"”.
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Economics of Decision-Making in Agricultural Pest Management (Integrated Pest Management (Ipm))
Decision making in pest management, like all other economic problems, involves allocating scarce resources to meet human needs. One hundred Illinois corn and soybeans farmers were surveyed to examine their pest management decision making in the 1984 growing season. Farmer's decisions to adopt …
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A biologically-active pest deterrent: what is the mode-of-action and how does this affect pest behaviour?
The application of chemical pesticides to protect crops is standard practice worldwide, however, the detrimental repercussions of excessive use on human health and environmental degradation are becoming more evident. Integrated pest management strategies, providing non-chemical alternatives to pest …
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Virginia Integrated Pest Management Expert for Wheat
The Virginia Integrated Pest Management Expert for Wheat was designed to combine the best available information regarding wheat pest management of disease pathogens, weeds, and insects into a decision support system that would provide potential outbreak risk and pest control information to the …
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Novel approaches to plant pest risk assessment
Pest risk assessment is an essential yet problematic stage in pest risk analysis (PRA) that concerns the likelihood and consequences of pest introduction. The aim of this study was to develop methodologies for risk assessment and to explore different approaches that could lead to the development of …
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Insect pest management in hemp in Virginia
… and feeding injury to plants. Multiple insect pests were present, including corn earworm (Helicoverpa zea [Boddie]) (Lepidoptera: Noctuidae), brown marmorated stink bug (Halyomorpha halys [Stål]) (Hemiptera: Pentatomidae), and cannabis aphid (Phorodon cannabis) (Hemiptera: Aphididae). In 2019, …
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Pest management program for structured urban environments
The development and evaluation of the pest management program involved many different aspects of urban pest control and urban pest management. The program consisted of individual pest management programs for the primary urban pests in prison environments. Each program involved resource manuals, …
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Gender and Pest Management in the Ecuadorian Andes
… to assess the intersection of gender and pesticide knowledge to identify gendered dynamics that may prove important to consider when implementing an Integrated Pest Management (IPM) program. Key findings include knowledge being associated with task undertaken, not necessarily the gender of …
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Improving Integrated Pest Management in Sweet Corn System
… (Lepidoptera: Noctuidae) is a common insect pest of sweet corn in the United States. The larvae cause chewing damage on corn ears rendering them unmarketable. Traditionally, growers have controlled CEW in sweet corn using multiple applications of insecticides such as pyrethroids during ear …
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Pest management practices used by West Virginia corn growers
… and designing educational programs concerning pest management for corn farmers. This research identified current trends in management practices, insect, fungal, and weed problems, and educational needs so that instructional materials can be designed to meet clientele needs. Data were collected …
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Economic Aspects of Crop Pest Management and Monarch Conservation
… rise in prophylactic chemical treatments for pest and weed control in the past two decades have raised many environmental concerns. Although cost effective, such treatments which include neonicotinoids and herbicide tolerant (HT) crops contaminate soil and water and cause wildlife habitat …
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Pest management of billbugs in orchardgrass grown in Virginia
… vestitus Chittenden) have become important pests of orchardgrass (Dactylis glomerata L.) grown in Virginia, causing 40 - 100% stand losses according to a 2005 survey of over 324 ha (800 ac) of orchardgrass. Their sheltered feeding habits combined with a lack of labeled insecticides for …
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Genetic engineering for pest resistance in potato (Solanum tuberosum L.)
Insect pests of potato cause significant losses of yields under field and storage conditions. Conventional breeding techniques for targeting genes of interest is usually laborious and time-consuming. An alternative way for targeting genes of interest into the plant genome consists of …
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Improving integrated pest management for plum curculio in Illinois peaches
Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2027-08-01
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Benefit-cost analysis as applied to insect pest control programs
… and the internal rate of return in evaluating pest control programs. It also discusses decision criteria under different circumstances. Finally, in chapter six, the advantages and disadvantages of benefit-cost analysis are discussed.
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Developing an integrated pest management program for edamame in Virginia
… diseases that were found were very similar to pest complexes commonly found in cultivated soybeans in Virginia. However, due to edamame being marketed as a vegetable, insects and diseases that caused unsightly blemishes or damage to the pods or seeds were most concerning. Multiple insects and …
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An economic analysis of soybean pest management strategies in Virginia
… compare net revenue associated with alternative pest management strategies for Virginia soybean producers, and (ii) to compare attractiveness of different pest management options when net revenue risk is considered in conjunction with the corresponding level of expected net revenue. The method …
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Development of POMME, the pest and orchard management expert system
… The system provides advice regarding specific pest management, treatment of winter injuries, drought control and general pesticide selection. The knowledge structures employed in the construction of the system are explained, and some sample interactions are provided. A model of the apple scab …
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