CAS NO. 127277-53-6 Prohexadione Calcium 90%Tech Pgr

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Using Prohexadione calcium can enhance the plant's stress resistance and reduce the damage caused by herbicides. It can promote lateral bud growth and rooting, keep stems and leaves dark green, control flowering time, increase fruit setting rate, and promote fruit ripening.

Prohexadione calcium can be widely used in food crops such as wheat, corn, and rice, oil crops such as cotton, peanuts, soybeans, and sunflowers, vegetable crops such as garlic, potatoes, onions, ginger, beans, and tomatoes, fruit trees such as citrus, grapes, cherries, pears, betel nuts, apples, peaches, strawberries, and mangoes, and Chinese herbal medicines such as Ophiopogon japonicus, Rehmannia glutinosa, Panax notoginseng, and Chinese yam due to its good safety, low toxicity, and low residue.

1. Improve lodging resistance and increase yield

Rice, wheat, and barley: 5 to 10 days before jointing, foliar spraying with 3g of active ingredient per 667m² can significantly shorten the internodes from 6 to 2, indicating that after Prohexadione calcium is absorbed by rice, it can move from bottom to top with the progress of growth, and inhibit the elongation of new internodes in turn, and the drug effect lasts for about 30 days. The internodes are shortened, the plant height is reduced, the bending moment is reduced, and the bending resistance of the internodes from 5 to 3 is significantly improved, thereby significantly reducing the lodging index, that is, significantly enhancing the lodging resistance. At the same time, it can also significantly increase the number of grains per ear, achieving the effect of increasing yield.

Sorghum: 27-30 days after jointing, 3-6g of active ingredient is sprayed on the leaves per 667m², which can not only effectively inhibit the plant height and control the occurrence of the first lodging before the first lodging occurs, but also because the delay in the application time delays the time of plant growth rebound, shortening the time between the growth rebound and the end of stem node elongation, so that the final plant height can be more effectively controlled, and the occurrence of sorghum lodging can be reduced or completely controlled.

2. Reduce the number of lawn mowing

Lawn: Bent grass, Bermuda grass, meadow bluegrass, ryegrass, Japanese carpet grass, Zoysia, tall thatch, etc., 10-20g of active ingredient is sprayed on the leaves per 667m², which can be used throughout the growing season, which can reduce the height of new growth by 50%-90% and significantly reduce the number of mowing times. When the dosage reaches 20g per 667m², the growth of tall grass can be completely inhibited. The maximum dosage of other lawns can reach 45g per 667m² without causing damage to the lawn.

3. Improve quality and increase yield

Spraying 125-250mg/L on the leaves of apples, pears, cherries, plums, hawthorns, loquats, etc. within 10 days after flowering can significantly inhibit the nutritional growth of leaves and branches, enhance the light of fruits, improve the quality of fruits, increase yields, and have a good preventive effect on diseases caused by bacteria and fungi such as fire blight.

30 days after peanut sowing, 2g of active ingredient per 667m² was used for foliar spraying, which can significantly improve the root vitality of peanuts, the chlorophyll content of leaves, and the activity of superoxide dismutase (SOD), peroxidase (POD), catalase (CAT) and soluble protein (Pr) content in plants (roots and leaves), reduce the malondialdehyde (MDA) content, and significantly reduce the height of peanut plants and the number of kilograms of fruits, increase the number of fruits per plant, oil yield and fat content, and increase the average yield by 12%.

After the grapes have faded, 250mg/L foliar spraying can inhibit the nutritional growth of grapes, increase the pigment and phenol content of grape juice, improve the quality of grapes, and have a certain yield-increasing effect.

In the middle of cotton, 3g of active ingredient per 667m² was used for foliar spraying, which can inhibit the nutritional growth of leaves and paper strips, significantly reduce the height of plants, transmit light and ventilation, increase yield and improve quality.

Sugar beet, cucumber, tomato, use 1.5-3g of active ingredient per 667m², spray on the leaves, it can inhibit the vegetative growth of leaves and stems, let in light and ventilation, increase yield and improve quality.

4. Slow down aging

Chrysanthemum, cabbage, carnation and other ornamental plants, use 1.5-3g of active ingredient per 667m², spray on the leaves, it has the effect of inducing dwarfing, keeping the leaves dark green, slowing down aging, and has no adverse effects on leaves and flowers.

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