Grape Management Technology in June

　　 In June , my vines were in the critical period of management, and the second growth peak of grape fruit was related to the quality of the grape production and the quality of the grapes. The management of the vineyard should be well done.

 

First, timely drainage: At present, the rainy area of ​​our area, the soil moisture of the vineyard is too high, which is not conducive to the normal growth of the grape roots. If the water is accumulated for a long time, it is easy to cause the plant to die, and it is necessary to timely drain and prevent flooding.

 

Second, fertilization: In mid-June, fertilizing, according to 30 kilograms of fertilizer per acre was applied, it can also be applied per plant fertilizer into 2 two. For foliar application, potassium dihydrogen phosphate 0.3% + urea 0.2% , once every 15 days.

 

Third, summer pruning

 

　　 1. Topping: The purpose is to control the growth of new shoots and concentrate nutrients on the ears to promote fruit development. The degree of topping of the new shoot retains 6-9 leaves on the strong shoot ; the medium-strong shoot retains 4-5 leaves; the weak shoots may not pick the heart or leave 2-3 leaves.

 

　　 2 , the secondary tip: 卷 to the tendril, the initial results of the tree above the ear and the retention of the secondary shoots, leaving 1-2 leaves repeatedly topping; the ear tips below the ear are all erased. In the fruit-bearing period, each side of the secondary shoots has 1-2 front ends , and the other secondary shoots are completely erased, leaving a secondary shoot 4-6 leaf topping, and secondary and tertiary secondary shoots 3-4 leaves topping.

 

Fourth, prevention and treatment of diseases: due to the large amount of rainfall, humidity, high temperatures, vines are vulnerable to downy mildew, black pox disease, so to do prevention, timely spraying. 800 times with chlorothalonil + 800 times solution of mancozeb , repeated once every 15 days, 2-3 times in a row , can effectively prevent and cure.

Author: Lijun Dong

Source: Hantai District Fruit and Vegetable Center

 

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