Lecture 20 - 03:31 Pests Animals...

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03:31 Pests Animals Insects, mammals, slugs, snails Disease Bacteria, fungi, virus  Weeds Protection of plants: Strategies Prevention – preemptive strike  Don’t do monoculture (bound to have problems with same plants) Identification of problem Understanding problems Mechanical control Chemical control Biological control Knowing pest  Animal pests Insects Birds Occasional problem with mall fruits and grains Slugs and snails
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Heavy vegetative feeders, especially after dark and high humidity Small mammals Rabbits, gophers, stripped squirrel Large mammals Deer, moose, bear, porcupines, humans Insects: Leaf chewers Feed on fruit, leaves, tender bark Sucking pests Feed on young tissues Soil pests Feed on roots and underground stems Burrowers Feed on leaves, stems, roots and fruits Leaf Chewers Beetles Weevils Caterpillars Damage: Leaves stripped  Ex: Japanese Beetle: wont kill but will strip it back
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Norway maple Hollyhock Sassafras American Elm Ex: Colorado Potato beetle: Will wipe out potato plants  Can avoid beetle by timing of when plant crop  Yellow and black striped beetle Ex: Tent Caterpillars  Ex: Tobacco hornworm 
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This note was uploaded on 02/17/2012 for the course HORTI 120 taught by Professor Paterson during the Fall '11 term at Wisconsin.

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Lecture 20 - 03:31 Pests Animals...

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