SAFS 405 Lecture Notes - Lecture 4: Food Security, Seed Savers Exchange, Icerya Purchasi
9 Dec 2017
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Inundative release: buy helpful insect to try to see if it helps an existing issue. Conservation and augmentation: mixed flower borders as insectary habitats. Being bloom doesn"t guarantee you will be a good insectary plant. Small intercropping in a certain pattern could affect the pest management. Determine origin of pest (where it came from) Go to place and search for natural enemy. Rear up the natural enemy in large numbers and deploy it into the environment. Big difference: want predator to be permanently in the environment. No native predators and they build up quickly because they populate quickly. They can destroy land, lead to erosion, etc. To control this, they released a virus to try to control the population of the nonnative, invasive species. First successful control: cottony cushion scale showed up on citrus. Both worked and because established to control the population. Catfishing of strawberries due to feeding by tarnished plant bugs.
