Fruit Tree Growth Regulator Formula（二）

Third, improve the fruit set rate, preserve the fruit

DA-6

When the initial flowering period is sprayed with 10~15mg/L liquid for 1~2 times, the fruit setting rate can be improved. PCPA with a concentration of 50 mg/L 4-CPA was treated once in the citrus flowering and young fruit stages, and had a significant fruit-preserving effect.

4-CPA

After the initial flowering period and the flowering of the Kyoho grape, spraying 15mg/L of the 4-CPA, respectively, has a significant yield-increasing effect, and can improve the fruit quality; the 10mg/L concentration of the 4-CPA has the best effect on the rose scented grape. The fruit setting rate increased by 13.4%, the yield per plant increased by 21.49%, the coloration index of the ear was 86.3%, the uniformity of the ear was 92.56%, and the ratio of sugar to acid was 16.7. If it can be sprayed with potassium dihydrogen phosphate, the effect will be more impressive.

Brassinolide

6d after the flowering, the grapes can be impregnated with the concentration of 0.01 mg/L brassinolide-481 to increase the fruit setting rate.

Cytokinin

In the initial flowering to full bloom period, the concentration of greenhouse ction is 5mg/L～10mg/L, and the concentration of open field ction is 2mg/L～5mg/L. It can prevent the falling flower and the gibberellin treatment in the production process as usual.

Harvest

The fruit setting rate can be increased by 78.97% in the first week before the grape flower and 5000 times in the lotus flower. If you add 0.2% borax with 6000 harvesting liquid, you can increase the fruit setting rate by 80.9%, and add 4000% borax with 4000 times of liquid harvesting to increase the fruit fruit slaughter by 84.69%.

Chlormequat

When the new shoot length is 15~1000px, spray 500mg/L of chlormequat to promote the differentiation of winter buds on the main vine; spray 300mg/L chlormequat in the 2 weeks before flowering or 1000 in the rapid growth period of the secondary shoots. ~2000mg/L of chlormequat can promote the differentiation of buds on the secondary shoots into flower buds.

However, after applying chlormequat, the grape often causes the inflorescence axis to become shorter, the ear is tight, and the fruit pieces are mutually squeezed, which affects ventilation and light transmission, and is prone to disease. If a low concentration of gibberellin is used in combination, the inflorescence axis can be properly elongated.

Fourth, improve stress resistance and enhance plant growth

Atonik (1.8% sodium nitrophenolate)

After spraying new shoots, spray 5000-6000 times of liquid, from 20 days before flowering to 2 to 3 times before flowering, and then spray 1 or 2 times. It can promote the result and fruit hypertrophy. Continuous use can effectively enhance and restore the tree potential, inhibit the decline, and promote the product quality and taste.

DA-6

When the fruit is inflated, it can be sprayed 1~2 times with 10~15mg/L liquid, which can make the fruit grow fast, the size is uniform, the sugar content increases, and the stress resistance is improved.

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