Package: 1kg/Alum Foil Bag, 25kg/drum or customized packing.

plant growth retardant effective prohexadione calcium price 20%wdg prohexadione calcium

CAS NO.: 127277-53-6

Chemical Name: Prohexadione calcium

Calcium 3-oxido-5-oxo-4-propionylcyclohexanecarboxylate; VIVIFUL; 3,5-dioxo-4-(1-oxopropyl)cyclohexanecarboxylicacidion(1-)calciumcalciums

 

Physical and Chemical Properties:

Molecular Formula: C10H9O5Ca

Molecular Weight: 249.3

 

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Appearance	light-yellow powder
Density	1.435
Melting Point	>360 C
Vapor Pressure	1.335X10-5 Pa(20C)
Solubility in water	174.2 mg/L(20C)
Solubility in organic solvents	hardly soluble

Application

Prohexadione calcium used as plant growth retardants hormones.

• Quick effect, within 3 days, 

• Obiviously reduce plant height, 

• Shorten internode height,

• Increase lodging capacity, 

• Meanwhile it promote ear or fruit growth to increase yielding.

Prohexadione calcium plant growth hormones works through leaf treatment, so it is usually used foliar spraying. The dosage is different with different crops.

 

Crop	Application time	Dosage/acre	Effect
Rice, white and barley	Spraying the plant 5-10 days before elongation stage	20-30g	Reduce the plant height, shorten internode height, improve lodging-resistance ability, also improve output
Apples, pears, cherry, plum, hawthorn	Spraying the plant within 10 days after flowering time	15-30g	Inhibit the growth of branches and leaves, fruits, enhance the nutrition, improve output,
Peanut	1 month after sowing	15g	Improve peanuts root vigor , chlorophyll content, and SOD, POD, CAT, Pr and MDA content
Grape	Spraying plant after blossom fall	20-30g	Inhibit the growth of grape juice, increase nutrition of pigment and phenols content, improving the quality of grapes, and increase output
Cotton	Spraying the plant in the middle stage	20-30g	Inhibit  nutrition and vegetative growth, lower plant height, improve quality and output
Sugar beet, cucumber, tomato	Spraying the plant leaves	10-20g	Restrain spraying on the leaf and the stem of vegetative growth, pervious to light ventilation, improve quality and output