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| _Blister-mite on apple and pear._--The presence of this minute mite is | ||
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Chapter 3. PROTECTING PLANTS FROM THINGS THAT PREY ON THEM | 
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indicated by small irregular brownish blisters on the leaves. Spray in late fall or early spring with the lime-sulfur wash, with kerosene emulsion, diluted with 5 parts of water, or miscible oil, 1 gal. in 10 gal. of water.
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| _Asparagus beetle._--Clean cultural methods are usually sufficient to |  |
_Borers._--The only certain remedy for borers is to dig them out, or to |