Insect & Mite Pest Management. Pest managers rarely use the term pest control or eradication —because we have never been able to control insect and mite pests permanently. Insect and Mite Pest Management - Modes of Entry. - PowerPoint PPT Presentation
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Practical Horticulture 5th edition By Margaret J. McMahon, Anton M. Kofranek and Vincent E. Rubatsky
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Chapter 15 - Integrated Management of Weeds, Insects, Diseases & Other Pests
Insect and Mite Pest Management - Modes of ActionInsect and Mite Pest Management - Modes of Action
• Cell Membrane Disruption—oils & soaps disrupt the lipoprotein matrix of cells, causing them to lose their contents and cease functioning.
• Though considered impermeable, the insect cuticle is filled with microtubules that lead to the underlying cells—which are destroyed by oils and soaps.
Practical Horticulture 5th edition By Margaret J. McMahon, Anton M. Kofranek and Vincent E. Rubatsky
tab
Chapter 15 - Integrated Management of Weeds, Insects, Diseases & Other Pests
Insecticides Classified by ChemistryInsecticides Classified by Chemistry
• A great many chemicals have been used for controlling insects—– Some were so harmful to humans, animal life, and
the environment that their use is no longer permitted.
• In the U.S. insecticides must be approved/registered by various agencies before they can be used. – Use is confined to certain plants, times & concentrations.
• Residues on food or feed crops exceeding fixed tolerances subject products to seizure & destruction.
Practical Horticulture 5th edition By Margaret J. McMahon, Anton M. Kofranek and Vincent E. Rubatsky
tab
Chapter 15 - Integrated Management of Weeds, Insects, Diseases & Other Pests
Insecticides Classified by Chemistry - OrganicInsecticides Classified by Chemistry - Organic
• Organic compounds—Plant derivatives like pyrethrum, rotenone, nicotine, and an extract from the neem tree. – Others could possibly be developed, given sufficient