Seven Steps for Spider Mite IPMA brief how-to on what to do when you have these pests crash your greenhouse.

摘要

Depending on where you grow in the U.S., you've already been dealing with spider mites this year or you're just noticing their presence. Rest assured we'll all be in the same boat with increasing spider mite pressure in just a few weeks. Here are somebasic steps to staying ahead of them Anticipate spider mites in susceptible crops and recognize changing conditions that precede a bump in pest pressure.The first step in spider mite IPM is knowing when you have a vulnerable crop and growing system. Spider mites are generalists, but they have favorites among both greenhouse and nursery-grown crops, including color bedding and other herbaceous plants, herbs, foliage plants, woody ornamentals and conifers. Certain growing conditions increase spider mitepopulations, such as container-tight spacing, high temperatures and drought stress. Mite numbers will be at their peak in hot summer months.