- Author: Mark Bolda
Published on: October 30, 2015
A sample of broad mites from primocane blackberry was dropped off at my office a couple of weeks ago. The mites are quite small (much smaller than twospotted spider mite), were found colonizing the younger emerging leaves of the plant and apparently giving the leaves a rumpled, curled appearance something similar to what one might see from very light Round Up damage (Photo 1 below).
As per the UC IPM guidelines, populations of broad mite tend to be most severe in warm, humid conditions such as those found in greenhouses. Which is a pretty spot on description of the weather we have had for like the last 10 weeks.
Also as per the UC IPM guidelines, the broad mites here are yellowish in color, and...
Tags: broad mite (1), primocane blackberry (1)
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