Greentree Chemical Co., Limited is one of the leading manufacturers and suppliers of cas no. 76738-62-0 paclobutrazol 15%wp agricultural chemicals fertilizer in China. With abundant experience, our factory offer high quality chemicals made in China with competitive price. Welcome to contact us for free sample.
Paclobutrazol is a low-toxic and highly effective plant growth retardant. It has a long duration of efficacy and a very wide spectrum of activity. It is easily absorbed by the roots, stems, and leaves of plants and is used in a variety of crops such as rice, wheat, vegetables, and fruit trees.
| Specification | Paclobutrazol 15% WP |
| Chemical Name | (2RS,3RS)-1-(4-chlorophenyl)-4,4-dimethyl-2-(1H-1,2,4-triazol-1-yl)pentan-3-ol |
| Appearance | White Powder |
| Molecular Formula | C15H20ClNO3 |
| Molecular Weight | 293.8 |
| Melting Point | 165-166°C |
| Structural Formula |
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Products Applications
Paclobutrazol is a triazole plant growth regulator, which mainly inhibits the biosynthesis of gibberellins in plants, slows down plant growth, controls the elongation of crop stems, shortens crop internodes, promotes plant tillering, promotes plant flower bud differentiation, increases plant stress resistance, and increases yield.
1. Change the level of endogenous hormones
Paclobutrazol can inhibit gibberellins synthesis, delay growth, shorten internodes, and dwarf plants. It reduces the synthesis or metabolism of indoleacetic acid, promotes the increase of endogenous abscisic acid content in plants, and can also regulate the release of ethylene in plants.
2. Increase the content of chlorophyll, nucleic acid, and protein
Paclobutrazol can make plant leaves dark green, increase the content of photosynthetic pigments such as chlorophyll, increase the content of nucleic acid and protein in plants, and can improve the anti-aging ability of plants and make plants have vigorous vitality.
3. Improve the stress resistance of plants
Paclobutrazol can improve the ability of plants to resist adversity and pathogens. It can make the epidermal cells of plants swell, causing the stomata to be squeezed and sunken, resulting in increased stomatal resistance, reduced transpiration, and reduced water loss.
By alleviating water loss, the stress on plant cells is reduced, normal growth and development can be carried out, and the plant's own drought resistance is enhanced.
The application of paclobutrazol can improve the plant's ability to resist cold and frost damage. After the application of paclobutrazol, the content of the stress hormone abscisic acid in the plant body is increased, and the damage to the leaf cell membrane caused by low temperature is reduced.
4. Promote the germination and growth of lateral buds
Paclobutrazol can inhibit apical dominance and promote the germination and growth of lateral buds. For example, the application of paclobutrazol can make rice seedlings tiller early and tiller more, the plants become shorter, and the base of the stems become thicker.
5. Bactericidal effect
Paclobutrazol was first developed as a fungicide. It has inhibitory activity against more than 10 pathogens such as rapeseed sclerotinia, wheat powdery mildew, rice sheath blight and apple anthracnose. It has a broad spectrum of antibacterial properties and can also control weed damage, dwarf weeds, slow growth, and reduce harm.
6. Application on fruit trees
Control the growth of branches and shoots, dwarf fruit trees; promote flower bud differentiation, increase the number of flowers; adjust the fruit setting rate; change the harvest period, improve the quality of fruits; reduce the amount of pruning in summer; improve the drought and cold resistance of fruit trees.
Our Advantages
1. Good quality + factory price + quick response + reliable service is what we try our best to provide you.
2. All our products are produced by our professional workers, we have our efficient foreign trade team, you can completely trust our service.
3. We have 10+ years of manufacturing and sales experience, we cherish every order from our honor and provide you with professional services.
Products Package
100g/bag, 250g/bag, 500g/bag, 1000g/bag, 10kg/box or 25kg/barrel, provide packaging according to your needs.

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