At the beginning of May, it is the shoot growth period and the epigenetic flowering period of the vines. Management should do the following:
Wiping shoots should pay attention to the removal of improper buds, weak buds, and overt buds, so that the tree sprouts robust and its position is appropriate.
Bound new shoots in the process of fixing the tip, the new shoots have been fixed every 15 cm tied to achieve a reasonable distribution of branches. In the process of binding, it is necessary to take advantage of the softness of the branches and put it on a uniform basis. Observe that the slope of the ramp should not be too large, and the transition from the stand to the horizontal plane should not be excessive.
In the process of topping the vines, the shoots of the new shoots have different strains, and the time for picking the hearts is different. Among them, the Kyoho vines, which are easy to fall, must be picked up on all new shoots 3 days before flowering. About 3 days after flowering, its topping. The tendrils are removed at any time during the entire growing season.
Before fertilizing the flowers, fertilization should be done 10 days before flowering on the other side of the trunk of the bud. The distance from the tree trunk is 0.5 to 0.6 meters. After opening a 10 cm deep trench, the top fertilizer is applied. 25-50 kg ammonium diammonium per acre, 25 to 50 kg of potassium sulfate, trace element fertilizer 2 to 5 kg. Fertilizer is mixed after the application, buried soil, pouring water once. Spraying 0.3% urea + 0.3% potassium dihydrogen phosphate + 0.1% borax or trace element fertilizer (calcium magnesium boron zinc iron) solution 1 to 2 times before flowering can promote pollination and fertilization.
Sparse spikes In the sparse flowering process, the fruit grower removes the spikes and cuts the spikes. About 5 days before flowering, eliminate 1/5 to 1/3 of the inflorescence tip and remove excessive inflorescences. The robust branch leaves 1 ear fruit, and the weak branch leaves no fruit.
Weeding and weeding should remove weeds from the vineyards, loosen the topsoil, cover the surface with grass, and clean up the drains to prevent accumulation of water.
Disease and Insect Pest Control In the prevention and control of pests and diseases, fruit growers should pay attention to the prevention and treatment of green-blind maggots and locusts by alternately spraying 2.5% deltamethrin ECG 3000 times solution and 10% imidacloprid 1500 times solution in the initial stage of vine budding. Use 500 times carbendazim or 500 times pre-enzymatic zinc to prevent blackpox, powdery mildew, downy mildew, etc., and spray it once every 10 to 15 days. After the rain, pay attention to prompt spraying.
Grapes should be sprayed three times during flowering
The management of grapes in May will enter a critical period and three times must be sprayed in time. Focus on the inflorescence exhibition period, inflorescence separation period, 2 to 4 days before flowering three key prevention and control period.
Inflorescence Exposure Period: The focus of prevention and treatment is Lumbricus, leafhopper and blackpox. Control methods: 300 pounds of water + white Tai Long 1 bottle + Qianhong 2 bags + Beibo fluorosilicon 1 bottle + brassin 1 bottle + Albit 20 grams.
Inflorescence Separation Period: The prevention and treatment focus is on gray mold, cobs and browning blight, and it is also an important period for boron supplementation and zinc supplementation to prevent granules, no caps, and tight flower inflorescences. At the same time, we must also deal with pests such as Pterygopsis striata and A. lucorum. Control methods: 300 pounds of water + gold Youfu pyraclostrobin 1 bottle + 70% amygdalist procymidone 1 bag +10% Difenoconazole 2 bags + Kim Jung-sell 1 bottle + Meng Meng 1 bottle + Super 50 1 Bottle or Hong Rui amino acid 2 kg + Albit 20 grams.
2 to 4 days before flowering: The point of control was the same as that of the inflorescence. Control methods: 300 pounds of water + 70% Baoye Bingsen half bag of enamel + love can be a bottle of +10% difenoxazole 3 bags + Meng Meng 1 bottle + oligosaccharides boron 1 bag + Albit 20 grams.
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