The safe interval of pesticides refers to the period from the last application to the harvest (harvest), use, and consumption of the crop, from the time after spraying to the time required for the residue to fall to the maximum allowable residue. In the orchard, the last spray and harvest must be greater than the safe interval to prevent human and animal poisoning. The safety interval of commonly used pesticides in orchards:
40% dimethoate emulsifiable oil for 7 days; 50% chlorpyrifos emulsifiable concentrate for 15 days; 20% dicofol emulsifiable concentrate for 45 days; 10% of permethrin for 3 days; 75% chlorothalonil WP for 20 days; 2.5% of enemy killing Dead emulsifiable oil for 5 days; 20% fast killing butyl emulsifiable oil for 14 days; 50% bromo oxime ester emulsifiable concentrate for 21 days; 50% chlorhexidine WP for 7 days; 2.5% leuco WP for 14 days; 25% cypermethrin emulsifiable concentrate 21 days; 25% diflubenzuron wettable powder for 14 days; 5% to Fuling cream for 14 days; 20% for sweeping emulsifiable concentrate for 30 days; 73% of ketamine emulsifiable concentrate for 30 days.
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