The thinning fruit plays an important role in the growth of the grapes. It is the key to determining whether the shape of the grapes is beautiful, the size of the grains, and the degree of coloration is good or bad.
The fruit thinning period. The fruit thinning period should be carried out immediately after fruit setting, when the fruit size is clearly differentiated. When thinning fruit, it is generally used with small scissors, but can not be directly picked by hand. The fruit is mainly used to remove disease and insect fruits, cracked fruit, sunburn fruit, deformed fruit, oversized fruit and seedless fruit. Try to choose the same size. Arrange the neat and outward fruits.
The principle of thinning fruit. According to the level of fruit set, the ear with high fruit setting rate should be heavy, and the ear with low fruit setting rate should be light. When the fruit is thinned, firstly, the small particles, the deformed fruit, the diseased fruit, the cracked fruit, the rusted fruit, and then the small ear, so that the lower cover can be strictly controlled, and finally the fruit is thinned. When the fruit is thinned, the introversion fruit is first removed, and the fruit pieces are loosened as much as possible, so that more than one third of the fruit pieces in the expansion and maturity period can be directly exposed to light. After the ear is finished, the ear forms a conical shape.
Precautions. When there is dew, it can not be used to prevent sunburn; when fruit is thinned, the contact between the hand and the fruit surface should be minimized. Because the human body temperature is too high, it is easy to damage the fruit; when the fruit is thinned, do not turn the ear back and forth to prevent spraining the fruit handle.
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