The prevention and control of rust tick is critical to pesticides. China Pesticide Network Xiaobian introduces several applicable pesticides to everyone:
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Chemical control of citrus rust tick, the best effect of the agent is: 20% chlorpyrifos 2000 times liquid; 35% chlorpyrifos or gram 1500 ~ 2000 times liquid; 50% thiophosphorus 1500 times liquid; % Daisen zinc wettable powder 600 times solution; 40% hirudin 1500 times solution. The above agents are used alternately or in combination of two or three kinds of agents. Generally, it can be sprayed 3 to 4 times during the whole hazard period of rust wall shovel. Especially in July, August and September, pesticides should be sprayed once a month to ensure that no fruit is leaked. The back and fruit of the leaves should be sprayed evenly. In order to receive good control results. At the same time, attention should be paid to the serious orange orchard in the rust wall. During the period of activity (from March to September), it is forbidden to spray the stone sulphur mixture. Otherwise, the rust wall sputum will be produced more and the damage will be heavier and more worthwhile.