First, the scientific frame and suitable varieties
The courtyard is characterized by a small land but a large space. Therefore, large and medium scaffolding should be used when selecting the grape rack type. The form of scaffolding can connect the courtyard, the roof and the street outside the courtyard to expand the coverage of the branches. Varieties should be selected for strong growth, adapt to large, medium scaffolding varieties, such as rose, longan, agate and other Eurasian varieties. Especially longan is most suitable for large scaffolding, and it is suitable for disease resistance and late maturity. Two new varieties of 8611 and 8612 are also suitable for garden scaffolding cultivation, and have the characteristics of high yield, large grain and no nuclear.
Second, timely fertilizer and pruning management
According to the characteristics of grape growth, fertilization and watering are carried out in each period of germination, flowering, fruit setting, coloring, etc. Fertilization is mainly based on coarse fertilizer, and coarse manure is applied twice before flowering and coloring period (fertilized human waste or animal) Avian ring manure), the amount of fertilizer applied can be applied at 5000 kg per acre. Fertilizer should be applied at different growth stages. Before the fruit is swollen, nitrogen fertilizer is the main factor. After the fruit is colored, phosphorus and potassium fertilizers are mainly applied, so that every water will be fat and no water will be poured. The management of the vines should be done in time to pick up the fruit branches, thinning branches and thinning fruits, reasonable load, evenly spread the fruit branches and ears, and bind them in time to make them ventilate and transmit light.
Third, timely control of pests and diseases
Before the plant was buried and unearthed, the plant and the park were sprayed twice with a 5 degree stone sulfur mixture. After the end of May, spray half a dose of Bordeaux mixture once every 7-10 days, a growth cycle can be sprayed 6-8 times, basically prevent and control most diseases. For grape black pox disease, downy mildew, white rot, powdery mildew and grape hawk moth, etc., which are prone to occur and are more harmful to the disease, in the early stage of the disease, timely spraying fungicides such as toxic fungi, bacteriostatic, and rusting Insecticides such as chlorpyrifos are used for prevention and treatment.
Fourth, the comprehensive application of plant growth regulators
7-10 days after the grape flower, the application of 100-150 mg / kg gibberellin solution in the panicle ear can promote the grape to mature 10 days earlier, increase yield by 20%, and increase the sugar content, spraying green wind at different stages. 95, Emerald, must overcharge, rare earth and other regulators and fertilizers, have a certain effect on the quality and efficiency of fruit.
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