[Study on biological character of fruit tree red mite and its prevention]. [Korean]
1991
Ryu Gi Song | Won Gyang Jin
The effective accumulated temperature needed by the developmental stages of apple tree red mite, refers to 104.4 deg C, in egg stage, 82.6 deg C in larva stage, 79.8 deg C in imago stage, therefore, 266.8 deg C in one generation, reproducing 8.3 generations per one year and also, cherry tree 154 deg C in egg stage, 107.2 deg C in larva stage, 130.5 deg C in imago stage, so, needing 391.7 deg C in one generation, reproducing 5, 6, generations. When spraying machine oil 5% + DNOC 0.3% in dormant period of fruit tree, the damage from red mite can be prevented.
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Эту запись предоставил Wolters Kluwer