In order to prevent this from happening, the vegetable growers adopt the following measures to deal with buds or young fruit.
1. Use a 25% compound 2,4-D dilution solution. After 1 to 2 days before and after flowering, use a brush to decorate or apply a flower stalk or immerse the bud in the diluted solution for 2-3 seconds. The use of concentration and temperature, the temperature is higher than 15 Â°C, add 48 to 50 drops of the original drug solution per kilogram of clear water; when the temperature is lower than 15 Â°C, add 72 to 74 drops of the original drug solution per kilogram of clean water . It is more effective to add gibberellin simultaneously in the 2,4-D solution.
2. Using 2.5% competitor diluent, after 4 o'clock on the second day after flowering, spray the diluted solution on flowers and young fruits with a handheld sprayer. Do not spray on the leaves and leaves of the plants. Spray once every 5 to 7 days. When the greenhouse temperature is higher than 25Â°C, add 1.25 kg of water per ml of original liquid; when the greenhouse temperature is lower than 25Â°C and higher than 15Â°C, add 0.85 kg of water per ml of original liquid; when the temperature of the greenhouse is lower than 15Â°C, 0.33 kg of water per ml of original liquid.
3. Using Feng Ling 1500 ~ 2500 times liquid, 1 day before flowering, flowering day and 1 day after flowering, with a handheld sprayer spraying buds, flowers, young fruit. When the greenhouse temperature is lower than 15Â°C, one capsule powder (0.4g) is 0.6kg for water; when the greenhouse temperature is higher than 25Â°C, one capsule powder (0.4g) is 1kg for clean water; when the greenhouse temperature is 15Â°Cï½ž25Â°C When a capsule of powder (0.4 g) is 0.8 kg of water.
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