3A Turfgrass Pest Management Study Guide with Questions and Answers
3A Turfgrass Pest Management Study Guide with Questions and Answers List characteristics of weeds that can influence the effectiveness of an herbicide: ANSWER Growing points. Leaf shape. Waxy cuticle. Leaf hairs. Deactivation of the herbicide by the weed. Life cycle of the weed. How can rainfall reduce the action of herbicides? How can it increase it? ANSWER May leach the herbicide through the soil, putting it out of reach of the plant roots. May help to move a pre-emergent herbicide to the roots of germinating seeds. Difference between a plant disease and a disorder: ANSWER Diseases are caused by pathogens and can be spread from plant to plant.
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- January 27, 2026
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- Questions & answers