Paclobutrazol
Brief Introduction
1. Product name: Paclobutrazol
2. Other names: Bonzai, Molass, Paclo, PP333, Trimmit, Cultar, Clipper,
Bonzi
3. Formulation: 25% SC
4. CAS No.: 76738-62-0
5. CBNumber: CB5117602
6. Molecular Formula: C15H20ClN3O
Product Introduction
Paclobutrazol, abbreviated as PBZ, is a kind of plant growth retardant. While delaying the plant growth, it also inhibits the elongation of stems, shorten internode and promote tillering of plant and differentiation of flower bud. The plant growth regulator also comes with the actions of improving the resistance of plant and increasing the output.
Usages
| Applicable Crop | Application Time | Dosage and Application Method |
| Wheat, corn | Soak seeds with the product for 10 to12 hours before sowing. | 1.5g dosage is sufficient for 1kg seed. |
| Peanut, cotton | Full-bloom stage | Each hectare land uses 750g paclobutrazol mixed with 750kg water for spraying. |
| Paddy rice | Apply it when the seedling age is about 35 days. | 2.6 to 3kg dosage is enough for each hectare field and 1500kg water should be mixed with the product for spraying. |
| Apple | When young sprouts grow up to 5 to 10cm, the application can be conducted. | Mix paclobutrazol with the dilution of 500 to 700 times. Spraying can be conducted for every 10 days. Three times of spray is adequate. |
| Pear | ||
| Peach, hawthorn | In autumn or spring | Compound the plant hormone with the soil. 10 to 15g dosage for each plant is advised. |
| Soybean, potato | In flowering season | Each hectare land uses 900g dosage mixed with 750kg water for spraying. |
| Orange | Summer shoot growth stage | Spray leaf surface with the solution, the dilution of which is 150 times. |
| Mango | In first third of May | 15 to 20g dosage mixed with 10 to 20kg water for each plant. Then apply the solution into the circular furrow. |
| Tobacco | In 5-7 leaf stage | 900g dosage compounded with 750kg water per hectare is recommended for spraying. |
Attentions
1. The residual time of paclobutrazol in the soil is long, so after the harvest, the fields applied with this product must be ploughed up to avoid inhibition action towards the after-crop.
2. If the dosage used is excessive and the seedlings are over-inhibited, please apply nitrogen or gibberellin for harm reduction.
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