Reasonably prepare the concentration. Some non-wettable or difficult-to-wet powders should be added with a little water to make the liquid into a paste and then added with water.
Select the appropriate spraying time. Too early spraying of the bactericide will cause the waste of medicine or reduce the efficacy of the medicine. If it is too late, it will cause a large number of pathogens to invade the host and cause harm. Therefore, the time of application of the bactericide should be before the onset of the disease (protection of medication) or onset of the disease (prevention beforehand). Better.
Master medication times. The number is usually sprayed once every 10 to 15 days, a total of 2 or 3 sprays. In case of special circumstances, such as rain after application, it should be sprayed once.
Avoid drug resistance. In order to avoid disease resistance, it is necessary to scientifically use fungicides based on the practical use of alternating (rotational) use of different types of pharmaceuticals, such as the use of blends of systemic agents and traditional fungicides.
Improve drug quality. The amount of medication should be appropriate. Overdosing on the one hand can increase the cost, on the other hand, it can easily cause harm to the medicine. Too little medication cannot protect the plant's various parts. The quality of medication should be emphasized. When spraying, it is required to have dense fog and uniform spraying. It is necessary to spray the front and back of the stem and the leaves of the plant so as to avoid leakage.
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