In Luyi County and Ningling County in our province, there are more than 10,000 mu of non-nuclear early red (8611) super-prematurity grapes. The variety has "3695" in the cultivation of greenhouses, ie germination in mid-March, maturity in mid-June, and maturation for 95 days. At present, harvesting of sheds in greenhouses has basically ended, and the decline of tree vigor is widespread. According to experience, there is still a long period of vegetative growth after harvesting, and it is the most easily overlooked period from this time until the fallen leaves.
In order to reduce the incidence of plant diseases and insect pests in the next year, the clear gardens should be cleared out of the park after the grapes are harvested, and diseased branches, diseased leaves, diseased grains, tendrils, paper bags, and weeds should be carefully removed or burned.
Control shoots to take care of the heart, in addition to secondary shoots and other measures to control the growth of grape vines, can also spray 0.05% longer than the solution, reduce nutrient consumption.
After the leaves are harvested, the leaves are still undergoing photosynthesis. If they are prematurely defoliated, they are not conducive to nutrient accumulation and are not conducive to the ripening of branches. Therefore, when harvesting grapes, damage to the leaves should be minimized, and the use of tetromycin and sulfur pesticides should be strictly controlled during the late growth period of the grapes to prevent premature aging of the leaves and reduce photosynthetic efficiency, with as little or no playing as possible. leaf.
The addition of basal basal fertilizer is the most important part of vineyard fertilization. It is best applied before the autumnal equinox on September 23, and no later than mid-October. Basal fertilizer is mainly organic fertilizer, with phosphate fertilizer, Mushi organic fertilizer (farmer's fertilizer) 3000-5000 kg, phosphate fertilizer 50 kg, compound fertilizer 25 kg, superphosphate 20 kg, mixed after the ditch applied, covered after application Watering.
Because of frequent operations such as picking and management of cultivating loose soil, the soil in the vineyard is easy to be practised. Once the fruit is harvested, a cultivator loosening soil should be taken immediately to increase the loose air permeability of the soil, maintain water and fertilizer, and promote the growth of new roots and shoots.
Disease prevention and disease removal grape leaves are vulnerable to downy mildew, powdery mildew, white rot, brown spot disease. Therefore, grape fruits can be sprayed alternately with 50% Ketu WP 500 times, 65% Mancozeb WP 500 times, and 70% thiophanate WP 1000 times. Spray once every 10 days.
After deciduous grapes, they must also do three tasks: first, pruning after defoliation is complete and 2-3 weeks before the injury; pruning ends, completely remove litter and bring them out of the park for destruction or deep burial, so as to reduce Source of disease; Second, poured winter water before the winter; Third, after the winter cut, spray a lime sulfur mixture to kill bacteria that remain in the tree and the ground.
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