Strawberries and Caneberries

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Lewis mite from strawberry field in the vicinity of San Andreas Road. Note how spots run the length of the body and somewhat geometric appearance of the body. Also smaller when compared to twospotted mites.
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So This is Lewis Mite

March 19, 2020
By Mark P Bolda
Thanks to some sharp eyed grower colleagues - and well equipped with some impressive hand lens and field microscopes I might add - I got my hands on some good Lewis mites and was able get some pictures. Truly, these do look different than twospotted spider mite.
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Grafted scion and rootstock, note that graft line is intentionally left above the surface of the soil.
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Grafting in Strawberry to Obtain Heightened Resistance to Pathogens

March 2, 2020
By Mark P Bolda
Introduction: Grafting is increasingly common in vegetable crops such as cucumbers, tomatoes and watermelons as this technique has continued the possibility of production of these commodities in disease infested soils which can no longer be fumigated or chemically treated.
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Twospotted spider mite female, note broken up spots that can confuse. Smaller individual mite at upper left has spots clearly defined.
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A Few Pointers on Distinguishing Lewis Mite from Twospotted Spider Mite

February 14, 2020
By Mark P Bolda
I am currently doing a spray trial in a field ostensibly populated with both Lewis mite, Eotetranychus lewisii and twospotted spider mite, Tetranychus urticae. To boot, there's Phytoseiulus persimilis predatory mite mixed in, which people say doesn't eat much of Lewis mite.
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