The apple blooming season meets continuous rain and rain
It rains continuously during the blooming period of apples, and the most vulnerable thing is pollination of apples. At this time, the flowers and fruits have just been exposed. After the water enters, the apple flowers are not easy to pollinate. Even if it has been pollinated before the rain, if it is overcast, long-term accumulation of water in the stamens will cause a major outbreak of apple mildew. The full blooming period of apples is also the young leaf period of apples. At this time, the young leaves of apples are very likely to be infected with brown spot disease. The young leaves are infected, and there are disease spots on the leaves, causing early leaf withering. If the young fruit is damaged, it will cause the fruit to be deformed and fall prematurely, which will seriously affect the yield and quality.
Faced with this continuous rainy weather, fruit growers must do a good job in prevention and control after the rain. The most important measures are to spray drugs and spray liquid fertilizer. Especially if the medicine is not applied before the rain, after the rain, after the sunny day, you must hurry up and reapply the medicine. When the sun is sunny after a sunny day, as long as the water on the leaves dries, the drug should be sprayed as soon as possible to reduce the chance of disease occurrence. In such rainy weather, if it is not clear that it will be clear, but there will be sunny and cloudy during the day, that is to say, if the rain is stopped intermittently, then it is necessary to manually remove the leaf water when the rain stops. Shake the branches artificially to shake the water down as much as possible, so that the leaves can quickly become dry after the sun comes out. Once the leaves are dry, you can quickly refill the medicine. As long as there is a sunny day for half a day, two hours of sunny days after spraying the medicine, and then raining will have little effect.
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