Grape autumn management is the key

“After harvesting, the vigor of the grape is generally declining. From harvesting fruits to autumn and winter, it is necessary to strengthen management in order to benefit the results of the next year, and to improve the quality and benefits of grapes. The management of autumn grapes is the key.” said Song Wei, technician of Shaanxi Huxian Grape Association. .

Grape autumn management is an important period for the management of grapes throughout the year. If you ignore the management of the late growth period, it will often lead to plant cover, serious diseases, poor flower bud differentiation, early leaf fall, and unsatisfactory shoots. To the following points:

Tree management: After harvesting, the grapes should be removed from the paper bag, rotten fruit, and the orchard. In the late growth period of the grape, it is necessary to control the vegetative growth of the tree and promote the differentiation of flower buds, which is the key measure to ensure the production of the following year. On the basis of soil and fertilizer water management, take control of tipping, remove some of the dense branches and useless branches, and remove some old leaves, etc. to control the vegetative growth of the tree, and guard against the germination of winter buds, so that the plane ventilation and light, branches Enrichment.

Autumn basal fertilization: After harvesting, the root system enters a new peak of growth. At this time, the basal fertility roots are easily healed and some new roots can be issued, and the nutrient reserve of the tree can be increased, which is conducive to budding, flowering and new shoots of the fruit trees the following year. Pre-growth. Autumn basal fertilization can be combined with soil deep-improvement reform to take strip, ring or radial groove Shi, acupuncture methods. Each plant should apply 25-50 kilograms of adequately decomposed organic fertilizer and appropriate amount of superphosphate, irrigation after fertilization, so that the grape plants have sufficient time for recuperation, laying the foundation for the second year of growth and development.

Plowing in real time: After basal fertilization is applied, plowing is performed throughout the planting period. The plant is basally ploughed and deep ploughed one meter away from the base to increase soil permeability and promote new roots.

Disease prevention and treatment: In the fall of this year, there is a lot of rain, such as grape rose downy, giant rose, rattan and other downy mildew outbreaks, when the disease can be sprayed gold mine, Kelu, Yinfa Li, metalaxyl and other pesticides.

Timely Harvest: timely harvesting mature fruits can prevent fruit ripening and affect the quality, but also reduce the nutrient consumption of the tree, is conducive to the second year of spring germination, fruit set and new shoots, leaves the robust growth.

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