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In the north, fresh grapes are available at the end of May and early June.
It takes 90 110 days for early-maturing varieties to mature from budding to maturity, while it takes more than 180 days for very late-maturing varieties. This allows you to determine when the grapes are ripening.
For cultivation in protected areas such as greenhouses, the time should be advanced. Generally, greenhouses can mature 2 months in advance, and greenhouses can mature 1 month in advance.
In the north, bud break occurs in early May, while in the south, bud break occurs in early April.
In other words, the earliest time to market early-maturing varieties in the open field in the north is in early August, early July in the south, early July for greenhouse cultivation in the north, and early June for greenhouse cultivation. If the cultivation technology level is high, it can meet the needs of grape growth in a timely manner, and the ripening period will be advanced. This does not include ripening with pesticides.
I do not advocate ripening with pesticides, I advocate the use of cultivation management techniques to promote early ripening of grapes, which is true ripening. Drug-inducing non-stone fruit is a method to promote the early ripening of late-maturing varieties with seeds, which can eliminate the hard core period of grapes and ripen early, but the effect on early-maturing varieties is not obvious.
Therefore, it is normal to eat fresh grapes in June.
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It ripens from the end of August to September, and a small amount of fruit is ripe now;
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The latitude of each region is different, and the ripening time is also different.
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Wild grapes generally ripen in mid to late September in autumn, and when ripe, wild grapes have spherical berries, black-purple skin with white frost, rich juice and sour taste, which is a good raw material for making wine. The extract of wild grapes can inhibit Escherichia coli, and can also play a role in anti-inflammatory, hemostasis, chronic nephritis, traumatic bleeding, urine astringency, hepatitis, etc.
Wild grape origin.
The main production area of wild grapes is in Yongfu County, Guilin City, where the winter is short and the summer is long, the climate is mild, the sunshine is sufficient, and the rainfall is abundant, which is especially suitable for the growth of wild grapes.
Wild grapes are divided into black and white mountain grapes, and their fruits are purple-black or white, and the flesh is juicy, which is a good raw material for making wine, and it is also a good variety for juicemaking.
Wild grapes** are generally about 15 yuan a catty, **slightly different in local markets, if it is wholesale** will range between 5-10 yuan.
Wild grape ripening time.
Wild grapes generally ripen in mid to late September in autumn, and when ripe, the fruit is a round and spherical berry, and the skin is black-purple with white frost, and the taste is sour, and it is an extremely rare mountain wild fruit.
Wild grapes are best sown in spring or in November in autumn, flowering in May-June, fruiting in August-October, availability in September-October, and harvesting in mid-September.
Efficacy and role of wild grapes.
The extract of wild grape stockings can inhibit Escherichia coli, and its extract also has the effect of hemostasis, and can also play a role in anti-inflammatory and hemostasis, and has a good effect on chronic nephritis, rubella, traumatic bleeding, urine astringency, hepatitis, stomach fever and vomiting, sores and poison.
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The fruit of the grapes is ripe in August and October, and most of the producing areas also start to harvest grapes in August and September, that is, in autumn, but this refers to our region, and the countries of the southern hemisphere are just the opposite, we harvest grapes in the spring, and the sugar content of grape fruits can continue to accumulate on the tree, and the sugar content will be higher and higher.
Timing of grape ripening and harvesting.
The grapes ripen from August to October, and most of the regions start harvesting the grapes from August to September, that is, autumn, but this refers to our region, and the countries of the southern hemisphere are the opposite, and we harvest the grapes in the spring.
Grape harvesting methods and key points.
The sugar content of the grape fruit can continue to accumulate on the tree, and the sugar content will become higher and higher, and after harvesting, the sugar content in the fruit will no longer increase, and it will continue to decrease.
If the grapes are used for long-term storage, they should not be watered 1 week before harvesting, otherwise the content of the sugar finch will be reduced, the storage quality will be affected early, and the rot rate will be increased.
Grapes are preserved after harvest.
The yield of grapes is mainly divided into three situations, the first is a high-yield vineyard, the yield can reach more than 3000 catties, the second is a general yield of vineyards, the yield can reach 2000-3000 catties, and the last is a real estate vineyard, with an output of about 1,000 catties.
Grapes should be washed only when they are eaten. Because if you wash it first, it is easy to spoil if you don't finish it, you can wash as much as you eat, and the grapes that you don't eat can be wrapped in paper or plastic wrap and put them in the refrigerator.
December to February is winter, and December 22 is the winter solstice.
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