The specific methods for buying and selecting grapes are as follows:

1. Look at the color of the grapes. Generally speaking, grapes with moderate maturity have darker and brighter colors, such as If you are buying muscat grapes, black and purple ones are generally better.

Look at the appearance of the grapes. If the grapes have plump berries, are very uniform in size, and have very few green seeds and shriveled seeds, the quality of the grapes is better. When purchasing, you may wish to consider this type of grape first, as it tastes very good.

2. Look at the compactness of the grape berries. In the same variety, if the grape berries are very nutritious, they will grow closer; if they are nutritionally deficient, they will grow thin. Relatively loose.

Weigh the weight of the grapes. This weighing method needs to be carried out on grapes of the same variety. If you find that there is a significant difference in the weight of two bunches of grapes of similar size, it is recommended to choose the one with the stronger feel. The heavier one, because this one is more delicious.

Growing environment of grapes

The minimum temperature required for grape growth is about 12℃-15℃, the minimum ground temperature is about 10℃-13℃, and the optimal temperature during the flowering period is about 20℃ , the optimal temperature during the fruit expansion period is 20℃-30℃. If the temperature difference between day and night is large, the coloring and sugar content will be better.

After the grapes bud in spring. Grapes have high water requirements, and strict control of soil moisture is a prerequisite for growing good grapes. Grapes require more water in the early growth or vegetative growth stages. In the late growth or fruiting stages, the roots are weaker and require less water. Root damage should be avoided to avoid affecting quality.