Under normal circumstances, the key medications are applied 3 times before flowering until bagging. The first time is 7-10 days after flowering, the second dose is 10-15 days apart, and the third dose is 10-15 days apart. Bagging the fruit. During this period of time, the fruit is in the young fruit period, and the apple young fruit is extremely sensitive to the environment, and the drug is used to grasp three principles: First, it is necessary to select good quality pesticides; second is to select an agent with a relatively high content of active ingredients; Choose a wider range of pesticides to kill insects and sterilize, so that you can ensure the control effect while at the same time to ensure that the minimum species.

The first medication, the optional agent: fruit Long 12000 times or the introduction of 10000 times plus insect clear fourth 8000 times plus sword power 3000 times or Lai Zhi 1000-1200 times Galeas 600 times or heavy calcium 2000-2500 times soften Water pass 4000 times.

The second medication: it is the critical period for combating cottonseed meal. At the same time, for the orchards with unsatisfactory pre-clearing gardens, we must also focus on the prevention and treatment of scale insects and black spot disease to prevent bagged fruits. Optional agent: An Minle 1000 times plus insect clear on the 4th 8000 times plus the sword force through 3000 times or Lai-induced 1000-1200 times plus Galeas 600 times or 2000-2500 times plus soft water through 4,000 times.

The third medication: It is the key to prevent apple bagging problems. Generally two kinds of fungicides are used, protective agent and therapeutic agent. Within 3 days after the drug is used, good quality fruit bags are selected for bagging. Optional agents: 10000 times the number of insects added to clear the 8000 times plus 3,000 times the sword to force 3,000 times or 1000 to 1200 times to increase the number of students born 600 times Gaglisky or 2000-2500 times the number of heavy water plus 4,000 times.

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