CAS No. 77-06-5 Gibberellin 20% Tablets Ga3 Foliar Spray Fertilizer

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When using gibberellic (GA3), try to spray the liquid on the upper, middle or other parts of the plant that need to be sprayed. It is not necessary to spray the whole plant in one stream to save the liquid and achieve the same effect.

Usage 1: Gibberellic (GA3) can break the dormancy period of seeds

1. Potatoes:

Usage: Cut potatoes into pieces and soak them in gibberellic solution with a concentration of 0.5 to 2 mg/L for 10 to 15 minutes, or soak whole potatoes with gibberellic solution at a concentration of 5 to 15 mg/L for 30 minutes.

Effect: It can relieve the dormancy period of potato tubers, germinate early, and promote side buds, accelerate the growth of young buds, produce stolons early, extend the expansion period of tubers, and increase yield by 15% to 30%.

2. Apple:

Usage: Spray gibberellic solution with a concentration of 2000~4000mg/L in early spring.

Effect: It can break the dormancy of apple buds and has a significant effect.

3. Strawberry:
Usage: It can break the dormancy of strawberry plants. In strawberry greenhouse promoted cultivation and semi-promoted cultivation, it should be carried out after the greenhouse is kept warm for 3 days, that is, when more than 30% of the flower buds appear. Spray 5 mL of gibberellic solution at a concentration of 5 to 10 mg/L for each plant, focusing on the heart leaves.

Effect: It can make the top inflorescence bloom in advance, promote growth and mature earlier.

4. Eggplant:

Usage: Low-concentration gibberellic solution can break the shallow dormancy of eggplant seeds and improve the germination potential and germination rate of the seeds. Among them, soaking the seeds at room temperature for 8 hours with 50-100 mg/L gibberellic solution has the best effect. For moderately dormant eggplant varieties, such as Liaoqie No. 1, Liaoqie No. 5, Xi'an Green Eggplant, etc., hormones must be used to break seed dormancy regardless of germination tests or seedling cultivation.

Effect: If treated with gibberellic solution at a concentration of 500mg/L for 24 hours, better results can be achieved.

Usage 2: Preserve flowers and fruits to promote growth

1. Grapes:

Applying an appropriate amount of gibberellic can make grapes seedless and enlarge the fruit size

Usage: 10-20 days after the blooming period, spray 100-200 mg/L gibberellic liquid on young grape fruits, which can significantly increase the fruit setting rate, increase the size of the fruit, and increase the yield per unit area by 50.3%.

Effect:

① Increase the fruit setting rate and number of fruits: On Kyoho grapes, spray a mixture of 200mg/L gibberellic solution and 15 mgL p-chlorophenoxyacetic acid 5 to 10 days before flowering. It can increase the fruit setting rate and number of ears, making the seedless rate reach 92.2%-95.5%, and the average weight of seedless fruits is 5.25-5.95g.

② Enlarge the fruit size and increase the sugar content: At the same time, the sugar content of the grape fruit is 1.9% higher than the control (without gibberellic spray), so the flavor is good and the maturity period is 10 to 15 days earlier. Using low concentration gibberellic on Kyoho grapes can increase fruit weight and color the whole ear. The most suitable spraying period is the young fruit stage (7 days after flowering), and the most suitable concentration is 20 mgL.

③Grape seedless treatment: Spray 400mgL concentration of gibberellic solution on Muscat grapes 10 days after flowering to make the seedless rate reach 98%. About 14 days after flowering of seedless grape varieties, 100mg/L concentration of gibberellic liquid can be used to quickly intoxicate the fruit ears, which can significantly increase the size of the fruit grains, while other economic traits and commercial properties are not affected.

2. Citrus:

Usage: Spray 50mg/L gibberellic solution after the first early physiological fruit drop. Or spray gibberellic solution with a concentration of 50mg/L once every 7 days after flowering, after the first early physiological fruit drop and before the second physiological fruit drop.

Effect:

① Reduce physiological fruit drop: When encountering high temperature and drought weather during the flowering and fruiting period, the use of gibberellic should be combined with proper watering of the orchard to improve the effect of preserving flowers and fruits. It can be mixed with cytokinin to improve the preservation rate of the first physiological fruit drop.

② Preserve flowers and fruits: The appropriate period for applying gibberellic to Wenzhou mandarin oranges should be from the end of blooming to when the flowers fade. When spraying, add 0.2% urea, 0.2% potassium dihydrogen phosphate and 0.2% borax to the gibberellic solution to improve the flower and fruit preservation effect.

3. Kiwi fruit:
Usage: Apply 2% gibberellic lanolin to the flower stems.

Effect: It can significantly reduce the number of seeds in kiwi fruits, induce the formation of seedless fruits, and reduce the fruit shedding rate.

4. Chili:

Usage: Spray the flowers once with gibberellic solution at a concentration of 20~40mg/L during the flowering period.

Effect: It can promote fruit setting and increase yield.

5. Rapeseed:

Usage: Before transplanting rapeseed, dip the seedling roots with gibberellic solution at a concentration of 20 mg/L.

Effect: Promote early growth of plants and increase yield. Spraying 25mg gibberellic liquid on the leaves during the blooming period can improve the seed setting rate of rapeseed.

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