Gibberellin
Ingenious use of gibberellin, a plant growth regulator, in cucumbers, beans, celery, leeks and other vegetables, can achieve a good yield increase. Cucumber: 1, greenhouse cucumber due to lack of temperature or too much fruit and other reasons appear "flower topping" phenomenon, spraying with 20 mg / kg gibberellin solution, can promote stem growth. 2. Botrytis cinerea occurs in the greenhouse. When the cucurbit has not yet been infested, the corolla is removed and the wound can be prevented by smearing the wound with a mixture of gibberellin (50 mg/kg) and siklorin (500 mg/kg). And make melon strips slender and beautiful. 3, when the melon strip grows to 10 centimeters, spray 25-30 mg/kg gibberellic acid melon, can promote melon growth, increase production 25% -50%. Kidney Bean: Treatment of dwarf beans for 4-5 times with 10-20 mg/kg gibberellic acid can allow the bean to bloom early and increase its early yield. Treatment with 10 mg/kg gibberellic acid in the later stage of kidney bean significantly increased the weight of single pods and increased the yield by 20%-30%. Celery: 1, summer with 100-200 mg / kg gibberellin liquid immersed in celery seeds for 24 hours, breaking the dormancy, is conducive to germination. 2. When the plant height is 20 cm, spray 30-50 mg/kg gibberellin solution, the height of celery increases, the number of leaves increases, and the yield increases by 20%-30%. Leek: 10-15 days before harvest, spraying with 20 mg/kg gibberellin can ensure leaf growth and increase production by 20%-40%. During the convulsive period, spraying with 70 mg/kg gibberellic acid solution will produce a neat and tidy appearance.