genetic resistance -- most plants are genetically resistant to
most pestsPlants have been coexisting with pests for millennia, and very few of them have gone extinct because of disease or pests. Basically, the majority of plants and pests have cohabited for a long time. What factors control the impact of pests in natural systems? (The next section will look at how pesticides interact with these natural systems of pest control.)
genetic resistance -- most plants are genetically resistant to
most pests
natural diseases of the pests
natural predators of the pests
adverse weather
host availability and apparency
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