The European Red Mite in Connecticut Apple Orchards: Paratetranychus Pilosus Can. Et Fanz (Classic Reprint) - Hardcover

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Excerpt from The European Red Mite in Connecticut Apple Orchards<br/><br/>Table 12. Eggs listed here were not treated with any insecticide. Numbers 1-11 were kept indoors in moist jars; 12-20 outdoors. Table 13. The percentages in the column headed possible kill were obtained by comparing each with the check hatch, obtaining the actual hatch, and subtracting this number from 100, thereby obtaining the per cent. Killed. Where the per cent. Hatched 13 higher than the check it is Obvious that the insecticide has no killing power.

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