The common acaricides are dying net, anthrone, and nisolon. In order to ensure the effectiveness of acaricides, several tips should be used.
Choose the best medication period. As far as possible, in the early stage of the disease, spray the medicine when the population density and quantity are small, so as to increase the effective time of the acaricide and reduce the number of uses. The best control period for the pests on the fruit trees is the second half of the Xiehua period, which is the early stage of the hatching of the first-generation insect eggs and the wheat harvest.
Scientific use of acaricides. When cockroaches of cockroaches, cockroaches and juveniles coexist at the same time, they should use an acaricide that is effective against all species of cockroaches, such as fast-killing and high-efficiency acaricides, such as 20% bifurcation , Deutero) Wettable powder, 34% or 41% diesel Dai Ling EC, 73% of the Ketian EC. In the coexistence of a few eggs and a few eggs, a long-acting acaricide should be used that has a good ovicidal effect and cures for both eggs and lice, for example, 10% 哒4哒 (fruit full red) suspension, and 12% 哒4螨 wetability. Powder, 10% tetrazolium tetrazolium (red lion) suspension, 5% nisolate EC. These agents can penetrate and kill eggs, so that the eggs can not develop hatching, in order to achieve the purpose of controlling the rapid growth of pest density. When the two-spotted spider mite (white spider) is infested, special agents such as 15% sinavermectin should be chosen for its characteristics of small size, strong concealment, rapid crawling, and greater reproductive capacity. 100% special, red and white 螨 ) 乳), 1% 阿 高 高 氯 氯 ( ( ( 〠〠〠〠〠〠〠〠24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24, 24 阿 紫 紫 ( ( ( ( 3 3 .
Pay attention to spray tips. Spraying should be done evenly and thoughtfully. Special attention should be paid to the densely populated eggs on both sides of the main vein on the back of the leaves. During specific operations, the trees should be sprayed until the water is dripping.
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