When the grapes are ripe, spray them with powder

Generally, the late bagging will result in less grape powder. It needs to be bagged in time.

Before grape flowering, young fruit stage, and fruit expansion stage, it can be sprayed to thicken the fruit pedicle and improve the amount of nutrient delivery. Prevent falling flowers, falling fruits, cracked fruits, stiff fruits, and deformed fruits, so that the fruits are beautifully colored, beautiful in shape, and in good taste. At the same time, with the spraying of 800 times of the new high-lipid film, it can play the role of liquid film bagging, which will not affect fruit respiration, prevent fruit rust, prevent fruit cracking, improve the coloring and brightness of the fruit surface, reduce residual toxicity and improve quality.

Generally, the main reasons for the poor grape fruit powder are as follows:

1. Soil compaction, poor permeability, and weak growth of the field, grapes color quickly, less fruit powder.

2. The grape fields with too many grape ears and a large amount of fruit hanging have low soluble solids content, not only poor color, but also less fruit powder.

3. Late bagging, short bagging period of the field, grape fruit powder is less and uneven.

4. Planting too densely, insufficient light, and too much rain during the ripening period will affect the coloring of grapes and cause a decrease in fruit powder.

5. Improper use of pesticides, many times of application, large concentration, excessive application of emulsifiable concentrate, powder pesticides, etc., will affect grape flouring.

6. Improper application of plant growth regulators such as fruit bulking agents and ripening agents will also affect the coloring of grapes and cause a decrease in fruit powder.

7. Fields with too much nitrogen fertilizer, less organic fertilizer, insufficient phosphorus and potassium fertilizer, poor grape coloring, and less fruit powder.

As the ripening period of grapes approaches, the surface of grapes will be hung with a layer of fruit powder, which is a sugar alcohol secreted by the fruit itself, rich in plant polyphenols, with anti-cancer effects, and is a natural substance of biosynthesis, which is completely harmless to the human body.

Fruit swelling agent, chlormequatin, ripening agent. The following factors are related to grape fruit powder:

1. Serious soil compaction, improper water and fertilizer management (too dry or too waterlogged), high grape density, and poor field permeability of the plot have less overall fruit pollen;

2. The yield is too high, the amount of fruit hanging is too large, the grape field with high load has low soluble solid content, poor color, and less fruit powder;

3. In the early stage, the application of nitrogen fertilizer is too much, and the application of phosphorus and potassium fertilizer is insufficient. Fields with low amount of organic fertilizer water-soluble fertilizer or no organic fertilizer for a long time have poor grape coloring and less fruit powder;

4. Grape plots with fewer leaves, larger fruit ears and compact fruit bunches have less fruit powder;

5. Improper use of pesticides, large dosage, many times of application, large concentration, application of emulsifiable concentrate, powder pesticides, etc., will affect grape flouring and reduce fruit powder;

6. Improper use of plant growth regulators such as fruit bulking agent, mequartin, and ripening agent affects coloring and reduces fruit powder;

7. During the period of expansion and coloring, in case of bad weather such as rain and wind, friction between leaves and fruits or rain impacts the fruit surface, resulting in a decrease in fruit powder.

Hello: The grapes are ripe, and the fruit powder is gone, and the method is as follows: The grape fruit powder is less, and it is recommended to manage it according to the following methods: 1

Reasonable vegetables and fruits, and maintain the leaf-to-fruit ratio. 2.Rational fertilization, pay attention to soil conservation and organic and inorganic nutrient supplementation.

3.Pay attention to the supplementation of trace elements boron, calcium, magnesium and zinc. 4.

Pay attention to the use of medicine, and try to use less emulsifiable concentrate and bad powder medicine in the later stage of puffing. 5.Grasp the bagging time, but 20-30 days after the flowers touch the pure, not too late.

Hello, there is no need to worry too much about the lack of grape pollen, because it can still be pollinated by wind and insect reeds. 1.Reasonable vegetables and fruits, maintain the ratio of leaves to fruits.

2.Reasonable talk about fertilization, pay attention to soil conservation and organic and inorganic nutrient supplementation. 3.

Pay attention to the supplementation of trace elements boron, calcium, magnesium and zinc. 4.Pay attention to the use of medicine, and try to use less emulsifiable concentrate and bad powder medicine in the later stage of puffing.

5.Grasp the bagging time, but start bagging 20-30 days after the flower, not too late.

Possible causes.

1. Variety relationship, the cultivated variety itself is a variety with less fruit powder.

2. Insufficient fertilizer and water management leads to less anthocyanins and lipids, and the main component of fruit powder is the lipids secreted by grapes.

3. Light influence. The peach is blocked by the leaves, resulting in

Solution. For less fruit powder, on the premise of doing a good job in fertilizer and water management. In the orchard, the old leaves below should be removed in time, and some of the leaves that block the grapes should be removed. If possible, the ground should be covered with silver film.

Increase the intensity of light exposure to grapes. This increases the quality of the fruit. At the same time, it can also increase the fruit powder on the surface of the grapes.

Hello, generally not. (1) selection of fertilizer nutrients, according to the characteristics of the grapes themselves fertilizer needs to be relied on nutrients after the grapes enter the flowering, friendship is potassium, followed by nitrogen, trace elements such as calcium, iron, boron, zinc, magnesium, etc., which are also essential, not only can effectively improve the resistance of grapes to common diseases, but also can improve the taste of grapes. For this reason, the number of fertilization in the later stage should be mainly based on the above.

2) 15-15-30+TE, molar high-potassium water-soluble fertilizer is specially prepared for the later stage of melons and fruits, which is rich in macroelements, medium and trace elements, humic acid, amino acids and other active substances. Potato split dissolution fertilizer application skills (1) pay attention to the time, water soluble fertilizer application time pay attention to two points, one is to apply once every 10 days, so that each time the nutrients can be fully absorbed, the other point is that after the grapes bear fruit, they need to be dressed in time to promote the grapes to fully supplement nutrients. (2) top dressing skills, when topdressing grape water-soluble fertilizer, attention should be paid to the dilution concentration of fertilizer, such as 5 kg of molar water-soluble fertilizer to apply a mu of water consumption of about 1000kg, fully dissolved can be applied to the roots of grape plants.

Reasonable topdressing of water-soluble fertilizer during the grape expansion period can significantly increase the yield by more than 30%, and can play a good role in improving the soil and promoting the absorption of plant roots.

Grape fruit powder is a grape varietal characteristic.

Among the common cultivars, such as Kyoho, Kyoya, Natsuguro, and Tota 8, the fruit powder is thick, and the fruit powder is thin and shiny.

In viticulture, pesticides in the form of emulsifiable concentrate have the greatest impact on the fruit powder in the later stage, especially after the fruit is powdered.

The emulsifiable concentrate in pesticides is a surfactant (an organic solvent) that dissolves grape fruit powder and makes the surface of grape fruit gloss.

Therefore, in order not to damage the grape fruit powder, after the grapes are powdered, spray pesticides as little as possible;

Try not to choose emulsions, microemulsions, first water agents.