Grape Field Management Technical Measures
1, timely picking. Grapes should be fenced and re-picked early to control their growth. When the main vine grows to 60-80 centimeters, the winter shoots are left on the top side of the shoot and the rest of the shoots are left with 1 leaf topping. After 25 days, when the top winter bud grows and grows to 6-7 leaves, leave 5 leaves to pick the heart and remove the winter shoots from the top apical shoots. After the winter buds germinate again, leave 1 tip every 20 cm and leave the two leaves topping. The rest are erased. 2, a reasonable load. Reasonable load, timely production, can improve the fruit setting rate, but also improve the quality. (1) Spikes. Ten to fifteen days after flowering, the sparse spikes were established according to the fruit setting situation. Two fruit spikes were left in the fruit branches with strong growth potential. The growth potential was weak and no leaves were left. (2) Spalling. 15-20 days after flowering, selective prills are performed to remove dense fruit and single fruit. 3, a control of two spray. (1) Long control points. For the result of strong growth potential, the upper part of the inflorescence was twisted before flowering, or 5-6 pieces of large leaves were picked up to improve the fruit setting rate. (2) Spray boron fertilizer. Spray 0.2%-0.3% boric acid or 0.2% borax solution once a day, spray once every 5 days, and spray 2-3 times. (3) Gibberellin is sprayed. During flowering, dipping the inflorescence or spray with gibberellin solution can increase fruit setting rate and ripen the fruit 15 days in advance. 4, to promote coloring. (1) sparse. When the berries begin to color, the old leaves at the base of the shoots are removed, the invalid shoots are removed, and the ventilation and light transmission conditions are improved to promote the coloration of the berries. (2) ring cut. Prior to berry coloration, circumcision at the base of the resulting mother branch or at the base of the resulting branch can promote berry coloration and mature 5-8 days in advance. (3) Spray potassium fertilizer. Spray 400-600 times of fruit-friend amino acid and 0.3% of potassium dihydrogen phosphate solution in the hard nuclear phase, and mature 7-10 days earlier.
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