Teaching Organic Farming and Gardening

(Michael S) #1

Managing Arthropod Pests


8 | Unit 1.8
Instructor’s Lecture 1 Outline



  1. Management procedures


a) Determine if control action threshold has been exceeded


b) Research control action options


c) Implement control actions


d) Document control actions taken and responses to treatment


G. Select Examples of Commonly Used Forms of NOP-Certified Control Strategies



  1. Biological control methods


a) Classical biocontrol


b) Inoculative biocontrol


c) Inundative biocontrol


i. Microbial biocontrol


· Bacillus thuringiensis—Bt


· Naturalis


· Predatory nematodes


· Your own collections


ii. Selected beneficial insects


· Aphytis


· Encarsia


· Lacewings


· Ladybugs


· Geocoris


· Praying mantids


· Predatory mites


· Trichogramma wasps


· Anaphes



  1. Chemical control methods


a) Powders, soaps, and oils


i. Diatomaceous earth


ii. Drax


iii. Soaps


iv. Oils and neem oil


b) Botanicals


i. Garlic barrier


ii. Hot pepper wax


iii. Neem extracts


iv. Pyrethrins


v. Rotenones



  1. Cultural control methods


a) Changes in frequency or timing of irrigation


b) Pruning to increase air circulation or prevent contact with soil


c) Field sanitation between cropping

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