Abstract
The Acaricide used in this experiment consist of 5 kinds of chemicals. For the field test of protecting red spider mites (Tetranychus telarius L.) there were- two localities to conduct the experiment in 1966. For protecting the cotton from red spider mites nemphs, the most effective pesticide is Delnav E.C. (2.3-P-dioxanedithiol S. S.-bis- (0,0)-diethyl phosphorodithioate). For protecting the cotton from the eggs of red spider mittes, the effective pesticides are Delnav, Bs-2525 (2.4-Dine, tro-4-cyclohexyl phernolta nene sulfomate). Nissel (N-Methyl-N(I-naphthyl monofluaroacetamide), Milbex (4-chlorophenyl 2.4.5-trichlorophenylazo- sulfide), and chlorbenzilate.
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