EPISODE · Jul 11, 2011 · 13 MIN
When to spray for aphids
from all · host Iowa State University
We discuss the likelihood that aphid outbreaks will occur and when to spray aphid populations. Some agri-businesses are suggesting that aphids be sprayed when populations are lower than 250 aphids per plant. We discuss the value of such lower thresholds, as well as ways to detect other invasive insect pests of soybeans.
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When to spray for aphids
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