PESTICIDE RESISTANCE MANAGEMENT Pesticide Resistance Management
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Analytical methods for detecting pesticide switches with evolution of pesticide resistance.
After a pest develops resistance to a pesticide, switching between different unrelated pesticides is a common management option, but this raises the following questions: (1) What is the optimal frequency of pesticide use? (2) How do the frequencies of pesticide applications affect the evolution of pesticide resistance? (3) How can the time when the pest population reaches the economic injury le...
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This paper reviews the development of pesticide resistance in Tetranychus cinnabarinus (Boisduval) and studies on the genetics and management of pesticide resistance in China. This mite has developed resistance to at least 25 pesticides in China. It first developed resistance to parathion and demeton. As early as 1962, the level of resistance to demeton in T. cinnabarinus reached 62 times, whic...
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This bulletin describes plant protection in Taiwan, systems of farmer education and the monitoring of produce for pesticide residues. It describes the results of experiments to test the exposure of farmers to chemical pesticides during application, and the toxicity which resulted. It also discusses various tests of pesticide resistance among pest populations, using GPS and GIS. Resistance manag...
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Biotechnology has enriched the strategy set available to crop managers. Suppose a manager faces a decision between applying a pre-emergence pesticide or applying nothing at all. The advent of pesticide tolerance traits in plants admits the possibility of a state-contingent post-emergence application of pesticide. The innovation adds value in large part because it provides the manager with the o...
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Cropping sequence and length of rotation play an important role in potato production. Too often, growers are forced to base their cropping system decisions on short-term economic survival. Our market-based economy rewards economic efficiency and has helped push the trend to larger farms with lower production costs. Improving economic efficiency, with large, specialized potato equipment, means f...
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