Which weather condition supports rapid growth of two-spotted spider mites?

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Study for the Maryland Pesticide Applicator Category 3: Ornamental and Turf Test. Test your knowledge with comprehensive questions. Each question is accompanied by hints and explanations to help you excel. Get exam-ready!

Multiple Choice

Which weather condition supports rapid growth of two-spotted spider mites?

Explanation:
Warm temperatures with dry air speed up the life cycle and reproduction of two-spotted spider mites. Heat accelerates development from egg to adult, and low humidity keeps leaf surfaces dry, helping mites move, feed, and establish across plants. In hot, dry weather populations can explode on ornamentals and turf. Snowy conditions are cold and slow mite activity, humid cool weather slows reproduction, and heavy rainfall and wind wash mites off plants, reducing numbers. So the weather condition that best supports rapid growth is hot, dry weather.

Warm temperatures with dry air speed up the life cycle and reproduction of two-spotted spider mites. Heat accelerates development from egg to adult, and low humidity keeps leaf surfaces dry, helping mites move, feed, and establish across plants. In hot, dry weather populations can explode on ornamentals and turf. Snowy conditions are cold and slow mite activity, humid cool weather slows reproduction, and heavy rainfall and wind wash mites off plants, reducing numbers. So the weather condition that best supports rapid growth is hot, dry weather.

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