How to use the apple before the flowering to the bag

First, a single dose of fungicide , do not only use compound preparations. Most fruit growers know that the 50% carbendazim application ratio of pure powder is 600 times. If carbendazim and mancozeb are compounded, the total content may still be 50%, but the content of carbendazim after compounding may be only 20% or 30%. At this time, the application multiple is 200-300 times, but the compounding ratio of many compounding agents is 1000 times, which is Unscientific, can not achieve effective sterilization effect. Therefore, during the period from apple Xiehua to bagging, a single-dose systemic fungicide should be used together with a single-agent protective fungicide. It is not recommended to use a compound preparation. For example, the first time after the apple Xiehua, the fungicide can choose mancozeb or sensen zinc plus nanoxin, which has good scientific effect.
Second, only one kind of agent can be used to control pests. If two or more kinds of medicines are used, only one kind of medicine can be used to control pests. Two or more kinds of medicines are not needed, so that the amount of pesticides can be reduced to reduce the amount of pesticides. Stimulation of young fruit, reducing fruit rust. The peel of apple young fruit is relatively young. If too many pesticides are used, it will easily stimulate the fruit surface, resulting in large black spots, more fruit rust, and poor surface gloss, which will affect the production of high quality fruit.

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