The usage method of the regulator multi-effect paclobutrazol.

Multi-effect agent is a plant growth regulator that delays plant growth, inhibits stem elongation, shortens internodes, promotes tillering in hibiscus, increases plant resistance to stress, and improves yield. It is suitable for crops such as rice, wheat, peanuts, fruit trees, tobacco, rapeseed, soybeans, flowers, and lawns, with significant effects.
The application technology of the plant growth regulator multi-effect agent in actual agricultural production is as follows:
1. Control growth and prevent lodging
Corn: Soaking seeds should be shallow, soak for 10-12 hours before sowing, mix 1.5g of 15% multi-effect agent wettable powder with 100g of water for 1kg of seeds, and stir once every 3-4 hours.
Wheat: During the one-leaf one-heart stage and before jointing, apply 40g of 15% multi-effect agent wettable powder diluted in 50kg of water per 667m².
Rapeseed: To cultivate short and robust seedlings, in a seedbed with high fertility and moisture, and high density, apply 40g of 15% multi-effect agent wettable powder diluted in 50kg of water per 667m² at the 3-4 leaf stage.
Peanuts: During the peak flowering period, apply 50g of 15% multi-effect agent wettable powder diluted in 50kg of water per 667m².
Cotton: In the mid-stage, apply 50g of 15% multi-effect agent wettable powder diluted in 50kg of water per 667m².
Rice: To cultivate strong seedlings and prevent lodging, for seedlings around 35 days old, apply 175-200g of 15% multi-effect agent wettable powder diluted in 100kg of water per 667m² 25 days before transplanting. For high-yield fields with tall varieties prone to lodging, apply 175-200g of 15% multi-effect agent wettable powder diluted in 100kg of water per 667m² 30-40 days before heading.
Soybeans: During the flowering period, apply 60g of 15% multi-effect agent wettable powder diluted in 50kg of water per 667m².
Potatoes: When the plant height is 25-30cm, apply 60g of 15% multi-effect agent wettable powder diluted in 50kg of water per 667m².
Watermelon: During seedling stage, spray 50-100mg/L solution on the cotyledons or use it on overgrown plants when the vines reach about 60cm to control excessive growth.
Zucchini: After 3-4 true leaves unfold, spray with 4-20mg/L solution to shorten internodes, thicken leaves, and increase cold and disease resistance.
Chili: When seedlings are 6-7cm tall, spray with 10-20mg/L solution.
Eggplant: When there are 5-6 true leaves, spray with 10-20mg/L pesticide solution to strengthen the seedlings.
2. Control shoot growth
Apple: In autumn, apply 15-20g of 15% multi-effect agent wettable powder to the soil for each tree, or when new shoots reach 5-10cm, spray 500-700 times diluted 15% multi-effect agent wettable powder every 10 days, for a total of 3 times.
Pear: When new shoots reach 5-10cm, spray 500-700 times diluted 15% multi-effect agent wettable powder every 10 days, for a total of 3 times.
Peach, Hawthorn: In autumn or spring, apply 10-15g of 15% multi-effect agent wettable powder to the soil for each tree.
Citrus: During summer shoot period, spray 150 times diluted 15% multi-effect agent wettable powder on the leaves.
Cherry: Apply 4-6g of 15% multi-effect agent wettable powder to the soil for each tree.
Mango: In early May, apply 15-20g of 15% multi-effect agent wettable powder diluted in 15-20kg of water in a circular trench for each tree.
Tobacco: At the 5-7 leaf stage, apply 60g of 15% multi-effect agent wettable powder diluted in 50kg of water per 667m².
Lychee: In mid-November, spray 750 times diluted 15% multi-effect agent wettable powder on the leaves.
Grapes: At the end of peak flowering, spray 1000-2000mg/L solution on the leaves to inhibit excessive growth of main and lateral shoots and increase yield.
Jujube: At 8-9 leaves before flowering, spray 2000-2500mg/L solution on the whole tree to improve fruit set rate and increase yield.
Chestnut: If chestnut growth is excessive, spray 300mg/L solution in July to control growth and promote flowering.
3. Shaping ornamental plants
Snapdragon: Spray seedlings' leaves with a solution of 50-500mg/L, and spray again after 10-15 days to make the plants shorter, sturdier, with deeper leaf color and thicker leaves, enhancing ornamental value.
Dahlia: For potted dahlias, after pinching the top, spray with a solution of 200mg/L to inhibit new shoot elongation, making the plants shorter, with thicker branches and uniform flowering.
Lilac: After 7 days of cutting and planting, irrigate the soil with a 20mg/L solution, and irrigate a second time after 30 days to promote the growth of side branches and improve shape.
Cockscomb: Spray leaves with a solution of 500mg/L to significantly shorten the plants and effectively enhance their ornamental value.
Osmanthus: In spring before new shoots emerge, spray the leaves once with a solution of 800mg/L to make new leaves smaller and thicker, shorten internodes, and make the plants appear compact and visually appealing, greatly enhancing ornamental value.
Rose: After pruning, when new branches grow to 5-10cm, irrigate the soil with a solution of 300mg/L to prevent excessive branch growth.
Asparagus fern: Spray with a solution of 20mg/L to shorten the plants and deepen leaf color.
Radish: Use 100-150mg/kg of multi-effect agent at the initial formation of the fleshy root to effectively prevent excessive growth, deepen leaf color, and make leaves short and upright, increasing photosynthesis and promoting the transport of photosynthetic products to the fleshy root, resulting in a significant increase in yield.
Precautions
(1) The residual period of multi-effect azole is long, and after harvesting the field, deep plowing of the land is required to avoid inhibiting the next crop.
(2) Try to avoid contact with skin and eyes. If it splashes into the eyes, rinse with plenty of water; wash skin with soap. If ingested, induce vomiting promptly and seek medical treatment.