Paclobutrazol is a plant growth regulator, which has the effects of delaying plant growth, inhibiting stem elongation, shortening internodes, promoting Hibiscus tillering, increasing plant stress resistance and improving yield. It is suitable for rice, wheat, peanuts, fruit trees, tobacco and rape, soybeans, flowers, lawns and other crops (plants), with remarkable effect.

The application technology of plant growth regulator Paclobutrazol in actual agricultural production is as follows:

1、 Growth control and lodging resistance

Corn: seed soaking should be shallow sowing, soaking for 10-12 hours before sowing, adding 1.5g 15% Paclobutrazol wet powder and 100g water to 1kg seeds, and stirring every 3-4 hours.

Wheat: every 667m from wheat seedling to jointing ² 40g 15% Paclobutrazol wet powder mixed with 50kg water was sprayed.

Rape: in order to cultivate short footed and strong seedlings, in the 3-4 leaf stage of the seedling bed with high fertilizer and water level, early sowing and high density, every 667m ² 40g 15% Paclobutrazol wet powder mixed with 50kg water was sprayed.

Peanut: every 667m in full bloom ² 50g 15% Paclobutrazol wet powder mixed with 50kg water was sprayed.

Cotton: every 667m in the middle stage ² 50g 15% Paclobutrazol wet powder mixed with 50kg water was sprayed.

Rice: in order to cultivate strong seedlings and prevent lodging, the seedling age is about 35 days, and the single season medium and late rice seedlings are planted every 667m 25 days before transplanting ² 175-200g 15% Paclobutrazol wet powder mixed with 100kg water was sprayed. The high-yield field is easy to lodging varieties with local flourishing and long stalks, and every 667m 30-40 days before heading ² 175-200g 15% Paclobutrazol wet powder mixed with 100kg water was sprayed.

Soybean: every 667m in flowering period ² Spray 60g 15% Paclobutrazol wet powder with 50kg water.

Potato: when the plant height is 25-30cm, every 667m ² Spray 60g 15% Paclobutrazol wet powder with 50kg water.

Watermelon: spray 50-100mg / L medicinal solution on watermelon cotyledon or stretch the vine to about 60cm during seedling cultivation, which can control the growth of overgrown plants.

Zucchini: after 3-4 true leaves are unfolded, spray with 4-20mg / L medicinal solution to shorten internodes, thicken leaves, increase cold resistance and disease resistance.

Pepper: when the seedling is 6-7cm, spray with 10-20mg / L chemical solution.

Eggplant: when 5-6 true leaves are sprayed with 10-20mg / L pesticide solution, eggplant seedlings can be strengthened.

2、 Control tip

Apple: 15-20915% Paclobutrazol wet powder shall be applied to each plant under the branch exhibition in autumn, or 500-700 times water solution of 15% Paclobutrazol wet powder shall be sprayed once every 10 days for 3 times when the new shoots grow to 5-10cm.

Pear: when the new shoots grow to 5-10cm, spray them with 15% Paclobutrazol wet powder 500-700 times water once every 10 days, three times in total.

Peach and hawthorn: under the branch spreading in autumn or spring, 10-15g per plant is applied with 15% Paclobutrazol in wet silt.

Citrus: spray 15% Paclobutrazol wet powder 150 times mixed with water on the leaves in summer shoot stage.

Cherry: apply 4-6g of 15% Paclobutrazol wet powder to each plant.

Mango: in the first ten days of May, 15-20g of 15% Paclobutrazol wet powder is mixed with 15-20kg of water for each plant, and the ring ditch is opened for application.

Tobacco: every 667m at 5-7 leaf stage ² Spray 60g 15% Paclobutrazol wet powder with 50kg water.

Litchi: in the middle of November, spray 15% Paclobutrazol wet powder 750 times with water.

Grape: spraying 1000-2000mg / L medicinal solution on the leaf surface at the end of full bloom can inhibit the growth of main and auxiliary shoots and improve the yield.

Jujube trees: spraying 2000-2500mg / L medicinal solution on the whole tree at 8-9 leaves before flowering can improve the fruit setting rate and increase the yield.

Castanea mollissima: if the growth of Castanea mollissima is too strong, it can be sprayed with 300mg l of medicinal solution in July to control and slightly promote the flower.

3、 Shaping of ornamental plants

Goldfish grass: spray the leaves of seedlings with a concentration of 50-500mg / L, and spray again after 10-15 days to make the plants short and strong, deepen the leaf color, thicken the leaves, and improve the ornamental value.

Dahlias: after the top of the potted dahlias is removed, it can be sprayed with a concentration of 200mg / L, which can inhibit the elongation and growth of the new shoots, make the plants short, the branches strong, and the flowering period is consistent.

Clove: after 7 days of cutting and planting, the soil is irrigated with 20mg / L chemical solution, and the second time is irrigated after 30 days, which can promote the growth of lateral branches and beautiful appearance.

Yi Chuan Hong: spraying the leaf surface with a concentration of 500mg / l can significantly dwarf the plant and effectively improve its ornamental value.

Osmanthus fragrans: spray the leaf surface once every spring before shoot shooting, with a concentration of 800mg / L, which can make the new leaves smaller and thicker, shorten the internodes, make the plants compact and durable, and greatly improve the ornamental value.

Rose: after pruning, when the new branches grow to 5-10cm, the soil is irrigated with a solution with a storage of 300mg / L to prevent the branches from growing too long.

Asparagus: spraying asparagus with a concentration of 20mg / l can dwarf the planting Toons and make the leaves dark green.

Radish: the use of Paclobutrazol 100-150mg / kg at the initial stage of the formation of the succulent root of radish can effectively prevent the plant from growing in vain, deepen the color of the leaves of the plant, make the leaves short and upright, increase photosynthesis, promote the transport of photosynthetic products to the succulent root, and significantly increase production.

matters needing attention

(1) The residual period of Paclobutrazol is long. After the harvest of the field, the land should be deeply cultivated to avoid inhibiting the next crop.

(2) Try not to contact with the skin and eyes. If it is splashed into the eyes, rinse it with plenty of water and wash the skin with soap. If you take it by mistake, you should induce vomiting in time and send it to the hospital for treatment.