Grape ripening after berry softening

After the grapes enter the softening period of the berry, ripening is performed using the following four methods, so that the fruits can be matured in advance for about 10 days, and the yield is improved, the quality is better, and the benefit is increased.

1. Increased cultivator: The softening period of grape berries coincides with the rainy season, and frequent work in the garden can easily cause soil compaction in the garden, affect the development of berries, and delay maturity. After the berries are softened, the pods can be pickled and hoeed, and should be cultivated 2-3 times to loosen the soil, increase the temperature difference between day and night in the garden, reduce the humidity in the field, and promote the early ripening of the grapes.

2. The old leaves are removed: the old leaves near the ear of the grape are removed. The grapes are colored and matured, mainly relying on sunlight. After the berries are softened, the old leaves near the ear are removed to increase the light time of the fruits and accelerate the ripening of the berries.

3. Spraying potassium fertilizer: After the grape berry is softened, spraying potassium fertilizer on the leaf surface can promote even coloration of the berry and mature earlier. The application of 0.3% potassium dihydrogen phosphate or 3%-5% ash leaching solution can be applied once every 7-10 days on the basis of applying 30 kg of potassium sulfate per mu in the berry period.

4. Regulators: The use of plant growth regulators can promote maturation when the grapes are fully softened and a small amount of fruit turns. With grape coloring sugar enhancer 200 times, or ethephon 800 mg / kg plus naphthalene acetic acid 100 mg / kg concentration of liquid spray evenly, the effect will be better, and the ear is not threshed, resistant to storage and transportation.

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