How to improve the role of fungicides

2019-01-05 06:08:29
Selecting the spraying time Spraying the sterilizing agent too late or too early will affect the control effect. The drug should be administered in time according to the occurrence law and specific conditions of different diseases of crops. It is usually used before the onset (protective use) or at the onset of the disease (precaution).
Master the number of medications The number of sprays of fungicides is mainly determined by the length of the drug's duration and meteorological conditions. Generally, spray once every 10~15 days, and spray a total of 2~3 times. In case of special circumstances, such as rain after application, it should be replenished in time.
Mixing cautious drugs Many bactericides are alkaline pesticides, so they cannot be mixed with insecticides that are easily decomposed and decomposed by alkaline substances, such as Bordeaux mixture and stone sulphur mixture. Some fungicides, such as carbendazim, cannot be mixed with boricides such as Bordeaux mixture, stone sulphur mixture, and thiophanate, which also cause the insecticidal (bacteria) microorganisms to lose their physiological activity and insecticidal (bacteria) ability.
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