Every July and August grapes will usher in the market period. With the large number of grapes on the market, grape profits will also decrease. If you want to get higher profits, it is a way to let the grapes ripen and go on the market in advance. So, how can grapes be marketed in advance while ensuring yield and quality?
After the mulch film is covered, the ground temperature is increased and the light is improved, which can increase the sugar content of the grapes and make the fruit particles colored in advance. Especially the silver reflective film greatly increases the reflection of light and the effect is particularly outstanding.
Ear bagging In areas with low temperature, when the inflorescence is stretched out, cover the inflorescence with a special film bag for grapes. When the young fruit falls off, the bottom of the bag is torn to change the "bag" into a "tube". The grapes mature 15 days earlier and can prevent fruit cracking.
The girdling to promote ripeness is 3 cm below the node of the fruiting branch or the base of the mother branch at the beginning of berry maturity, which can be matured about 5 to 7 days in advance. But pay attention: (1) It is strictly forbidden to gird the thin branches. (2) The number of ring stripped branches on the same tree should not exceed 40%. (3) The width of the stripping opening should not exceed 3 mm.
When the grapes start to color about 20 days before the grapes ripen, spray the ethylene dimethide solution to mature 10-15 days earlier. However, the use of this method is likely to cause undesirable phenomena such as softening, threshing, and storage and transportation of the fruit.
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