Application of pyridone in grapes

Pyridone is mainly used to increase the size of fruits and sweet grapes. Kiwifruit, after 20 to 25 days after flowering, soaking young fruit with 5~20mg/L liquid can promote fruit growth. Watermelon and cucumber are 40-50 mg/L, which can increase fruit setting rate and increase yield. Grapes are 10-20 mg/L, which can enlarge the fruit and increase the yield. The navel orange is 5-20 mg/L, which can increase the fruit setting rate.

What is the use of pyridoxine on grapes? How about the application of pyridoxine on grapes? A few notes on pesticides :

1. The tree with a moderate growth and weak growth is generally used once. After 15-20 days after flowering, 2 kg of water is added to each bottle to soak the ears.

2, the tree is growing vigorously, in order to increase the fruit, early maturity, the second dip fruit method can be used.

1) The first fruit soaking: The piraceta produced by the Sichuan Academy of Agricultural Sciences Lanyue Company did not appear before 3-5 days after flowering. Add 3-4 kg of water per bottle, add 902 (1 g of 902 and 40 kg of water) to soak the ears, and play the role of elongated fruit to ensure fruit setting and increase of no fruit.

2) The second fruit soaking: After 15-20 days after flowering, use the Sichuan Academy of Agricultural Sciences Lanyue Company to add 2 kg of water per gram of pyroxol (the temperature is high, each bottle adds 2-3 kg of water, cloudy day, After the rain, add 1.5-2 kg of water to the first bottle, and add 920 (1 g of water plus 20 kg) to soak the ears.

3) Note: Control the output, generally 2000-3000 strings per ear.

Pyridoxine is generally used in combination with gibberellin as follows:


When treating nucleus-free grape varieties with gibberellin and pyridoxine, it is necessary to choose strong-growing vines with strong growth potential, and the effect of new shoots is not good. It is necessary to strengthen the management of new shoots and fertilizer and water management of plants, control the growth of new shoots before flowering, and improve the fruit set rate by picking the hearts early. To control the amount of load, it is advisable to leave a spike on each new shoot. ?
In addition, Venus has a high rate of fruitless fruit set and compact ears. After treatment with gibberellin and pyridoxine, the fruit pieces are crushed and squeezed out due to the increase of fruit pieces. Some fruit pieces must be removed after treatment. Each ear retains about 60-80 capsules, which can further increase the single-grain weight, which can reach an average of more than 10g, while the ear weight does not change.

Use gibberellin GA3 plus cytokinin pyridone swelling agent, liquid spray or dipping as a paste agent, easy to apply, will not be reduced by rain washing. Because of the application of the cob, it does not touch the flower and the young fruit, so the fruit is swollen evenly. The purpose of stabilizing the growth of the seedless grape can be achieved, and the weight of the single-grain of the seedless grape is effectively increased, and the grape is colored in advance.

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