Grape autumn management is an important period of management throughout the year. If you ignore the management of the late growth period, it will often lead to plant cover, serious disease, poor flower bud differentiation, early leaf fall, and lack of shoots, which will weaken the tree. Insufficient accumulation of nutrients resulted in a low grape germination rate in spring of the following year, irregular buds, and poor flower and fruit development. In order to ensure the high yield and quality of vertical years, we must strengthen autumn management and do the following:
1. Tree management Grapes are required to strictly control the vegetative growth of the tree in the late growth period and promote flower bud differentiation. This is a key measure to ensure vertical production. Based on strict soil and water management, take control of tipping, remove some dense branches and useless branches, and remove part of the old leaves to control the vegetative growth of the tree, and guard against sprouting of winter buds, so that the plane ventilation and light transmission Branches are substantial.
2, timely cultivation of grape in the late period of growth and development, often encounter rainy weather, timely cultivator weeding can prevent flooding and improve the roots of the growing environment, and can eliminate weeds in time, reduce pest damage
3. The foliar dressing top dressing is mainly phosphate fertilizer and potash fertilizer. The grapes are sprayed once every 10 days before harvesting, and sprayed 2-3 times to increase the sugar content of the fruit and increase the yield; Spraying 2-3 times to promote shoot ripening is conducive to nutrient accumulation and improve the tree's anti-repression ability.
4, water management fruit into the expansion period after the fine ground irrigation, the conditions of those who can cover the grass in the vineyard, covered, can not only protect the earthworms, but also to prevent cracking caused by sudden changes in soil moisture content; Drainage prevention.
5. After the autumn basal-fertilizer is harvested, the root system enters a new peak of growth. At this time, the basal fertilization roots are easily healed and some new roots can be issued, and the nutrient reserve of the tree can be increased, which is beneficial to the budding, flowering and new growth of the fruit trees the following year. Tip growth. Autumn basal fertilization can be combined with soil deep-improvement reform to take strip, ring or radial groove Shi, acupuncture methods.
6. The key to the autumn management of pest control is to protect the fruit. This period of pest control should focus on white rot, anthrax, downy mildew and spider mites, leafhoppers, etc., the choice of agents: 50% carbendazim 600 times, or 70% thiophanate-methyl 600 times, Or 78% Cobo 600 times, or 80% spray 600 times, or 1:0.5:200 times Bordeaux mixture, etc., spray once every 10-15 days. At the same time, it is necessary to cut off diseased leaves and fruit in a timely manner.
7, timely harvesting harvested mature fruit, can prevent fruit over-maturation and affect the quality, but also reduce the tree's nutrient consumption, is conducive to the vertical year spring, fruiting and new shoots, leaves the robust growth.
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