July Grapevine Management Technology
Grapevine: 1 top-dressing irrigation. In the middle and early July, topdressing phosphorus and potassium fertilizers, each can apply 200 to 300 grams of potassium sulfate, irrigation water after fertilization, in case of heavy rain, no irrigation, and timely drainage. Dried Red Chili Powder,Red Chili Powder,Organic Red Chili Powder,Red Chili Pepper Powder Ningxia Lihe Food Co., Ltd. , http://www.lihedried.com
2 control of pests and diseases. White rot, anthrax, blackpox, and mild downy mildew, in early July, DuPont EPC 1200-fold or 70% EDPH-500-fold or 75% chlorothalonil 600-fold + Guoba. Note that after the rain make up the spray; in mid-July and late, respectively, once again DuPont Yi Bao 1200 times; white rot disease orchard using 800 times the special liquid and Bordeaux mixture alternately used, once every 10 days; if this period, downy mildew If the disease is affected, it is best to use the Dupont measures to prevent and control the net and keep the fruit surface free from contamination.
3 Early ripening grapes harvested. Water control 25 days before harvest is beneficial to improving quality; removing old leaves near the ear before berry ripening is conducive to air and light transmission, and promoting berry coloration; 15 to 20 days before ripening of the grapes Fruits; can be harvested in batches when mature, harvesting should be carried out in the morning and evening.
4 summer cut. In late July, the development branches, the preparation branches and the remaining sprouting twigs are all topping. Generally, about 30 centimeters of pruning can be performed; 1-2 leaves of the subtips are repeatedly tossed, tendrils, rainy days and young trees. Can be properly picked up later. Frequent inspections, timely removal of diseased fruit, diseased leaves.