Rainy weather: In case of continuous rainy weather, or the temperature suddenly rises and falls, which affects the normal pollination of grapes, field drainage and artificial pollination should be done in time to increase the pollination rate, and new high-fat film should be sprayed on the tree in advance to reduce waterlogging. In order to ensure the strength of the tree in the middle period, enhance the resistance of the tree, reduce the flowers and fruits, and effectively increase the fruit setting rate.
Insufficient nutrient in the tree: When the nutrient stored in the tree during the growth period is insufficient, the incomplete flowers of the grape increase, the embryo develops poorly, the pollen germination rate is low, resulting in a large fruit drop and low fruit setting rate. If the storage of the tree is insufficient, the flowers and fruits will be more serious. Therefore, most of the nutrient supply of grapes should be completed in the early stage of growth.
It is worth noting that the best time to replenish nutrients is after the grapes are harvested in autumn and before cold protection. Generally, two-thirds of the total amount of nitrogen fertilizer, half of the total amount of phosphate fertilizer and half of the whole amount of potassium fertilizer are used as the base fertilizer, which is applied together during the top dressing period to ensure the nutrient requirements of the grapes in the early years of the next year.
In addition, it is necessary to strictly prevent falling flowers and fruits caused by the imbalance of the nutritional balance of trees. When there is a contradiction between the vegetative growth and reproductive growth of grapevines, the two will compete for nutrients, because the vegetative growth exceeds the reproductive growth, which will cause the drop of flowers and fruits to increase. Therefore, it is necessary to combine foliar fertilizer before the grapes bloom and in the young fruit stage 1. Spray the fruit and fruit every time during the fruit enlargement period to achieve balance of tree vigor and reduce fruit drop.
Disease impact: Every year in July and August, there is heavy rain and high humidity, and there are many high temperature weather. At this time, the grapes are prone to diseases. Among them, downy mildew, anthracnose, powdery mildew, and black pox will cause the fruit to fall off a lot. In addition to the selection of disease-resistant varieties such as Jufeng, White Banana, and Black Olin, Bordeaux mixture should be sprayed before and after germination. During the fruit-bearing period, Agfalix plus 70% Antaisheng can be sprayed, which has a good effect on the prevention and treatment of the above diseases.
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The folding foot bath machine is a device that can be used to soak and massage feet. It's designed to be portable and easy to store, making it ideal for those who want to enjoy a foot soak and massage at home or on the go.
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