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Chemical name: Forchlorfenuron,[1-(2-chloro-4-pyridy)-3-phenylurea]

Physical and chemical property: A white sheet crystal, which is difficult to soluble in water, but soluble in ethanol, methanol, acetone and other organic solvents, stable at normal temperature storage, weak pyridine odor.

Toxicity:  low toxicity to higher animal. Rat acute oral LD50 of 1568-2787 mg / kg.
　　

Detection method: HPLC, ODS C18 column, methanol as the mobile phase.
　

Application: Active cytokine series, CPPU is a kind of growth regulator with higher active cytokine. It can promote the plant growth, for example, accelerate bud formation, promote stem, leaf, root growth, enlarge the fructification, break the apical dominance, and avoid the aging. Mainly used for breaking the top edge to prevent aging. Mainly used for flowers, fruit processing, can also be used for tobacco, tomato, eggplant, apples and vegetables, can increase production. Increase sugar contain when used for beet and sugarcane . High concentration also can be used as herbicide.

Using method: Orange, physically fruit dropping time, spray the crown with 0.1% aqua 500-fold dilution or 0.1% aqua 100 times dilution to besmear the stem. Kiwi fruit, 20-25 days after blossom fall, dip young fruit with 0.1% aqua 50-100. Grapes, 10-15 days after blossom fall, dip David ear with 0.1% aqua 50-100 fold dilution. Forchlorfenuron increases fruit set percentage and fruit size and weight .Strawberry, spray or dip the picked fruit with 0.1% aqua 100-fold dilution liquid, when slightly dried, Box Packing. In that case, it can keep strawberries fresh and extend the storage period.