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Shanghai Bosman Industrial Co., Ltd.

Paclobutrazol, Plant growth retardant, agrochemicals manufacturer / supplier in China, offering Plant growth retardant (PGR) PP 333 Paclobutrazol 95% TC, Fungicide Sulfur 80% WDG, Fungicide Cyazofamid 400g/L SC, 30% WP, 95% TC and so on.

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Supplier Homepage Product Growth regulator Plant growth retardant (PGR) PP 333 Paclobutrazol 95% TC

Plant growth retardant (PGR) PP 333 Paclobutrazol 95% TC

FOB Price: US $10 / kg
Min. Order: 1 Ton
Min. Order FOB Price
1 Ton US $10/ kg
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Production Capacity: 1000tons Per Year
Transport Package: 25kg/Drum
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: 95% TC
  • Shape: Powder
  • Classification: Cytokinin
  • Specification: tc
  • Kind: Growth Retardant
  • Usage: Restrain The Growth of The Stem Leaf Bud
  • Trademark: bosman
  • Origin: Shanghai
Product Description

Plant growth retardant (PGR) PP 333 Paclobutrazol 95% TC

Paclobutrazol (PP 333, PBZ) is a plant growth retardant (PGR). It acts by inhibiting gibberellin biosynthesis, reducing internodial growth to give stouter stems, increasing root growth, causing early fruitset and increasing seedset in plants such as tomato and pepper. Paclobutrazol (PP 333, PBZ) has also been shown to reduce frostsensitivity in plants.

Paclobutrazol (PP 333, PBZ) is also used to reduce shoot growth and has been shown to have additional positive effects on trees and shrubs. Among those are improved resistance to drought stress, darker green leaves, higher resistance against fungi and bacteria, and enhanced development of roots.

Product Name

Paclobutrazol

CAS NO.

76738-62-0

Physical and
Chemical  Properties

Molecular formula: C15H20ClN3O
Molecular Weight: 293.79
Melting point: 164 °C
Appearance: off-white to beige solid
 

Chemical structural formula

 

Solubility & stability

Solubility In water 22.9 mg/l. In xylene 5.67, n-heptane 0.199, acetone 72.4, ethyl acetate 45.1, n-octanol 29.4, methanol 115, 1,2-dichloroethane 51.9 (all in g/l). Stability Stable for more than 2 years at 20 °C, and more than 6 months at 50 °C. Stable to hydrolysis (pH 4-9), and not degraded by uv light (pH 7, 10 days).

Products

Paclobutrazol 95%, 15%/25%/30%/50% WP, 15%/25% SC

 

APPLICATIONS

Biochemistry: Inhibits gibberellin biosynthesis by inhibition of the conversion of ent-kaurene to ent-kaurenoic acid, and inhibits sterol biosynthesis by inhibition of demethylation; hence inhibits the rate of cell division.

Mode of action: Plant growth regulator taken up into the xylem through the leaves, stems or roots, and translocated to growing sub-apical meristems. Produces more compact plants and enhances flowering and fruiting.

Uses: Used on fruit trees to inhibit vegetative growth and to improve fruit set; on pot-grown ornamentals and flower crops (e.g. chrysanthemums, begonias, freesias, poinsettias and bulbs) to inhibit growth; on rice to increase tillering, reduce lodging and increase yield; on turf to retard growth; and on grass seed crops and oilseed rape to reduce height and prevent lodging. To be applied as a foliar spray, as a soil drench, or by trunk injection. Has some fungicidal activity against mildew and rusts. Rates of application vary widely, depending on area of use, application method, application timing, size of crop, and cultivation method.

Phytotoxicity: Non-phytotoxic, though it intensifies greening. Some spotting has been noted on periwinkle foliage at higher temperatures.
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