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prohexadione calcium 10 wdg
CAS NO.: 127277-53-6
EINECS: 603-193-5
Formulation: 10% WDG
Chemical Name: Calcium 3-oxido-5-oxo-4-propionylcyclohexanecarboxylate
Chemical Formula: C10H9O5Ca
Molecular Weight: 249.3
Physical and Chemical Properties
Light yellow crystalline powder, melting point:>360℃, vapor pressure: 1.33×10-3 pa(20 ℃), solubility in water is 174mg/L(20 ℃), it is stability in light、 heat、water solution and alkaline conditions.
Function Characteristics
1. Inhibit the growth of internodes, improve lodging-resistance;
2. Protect gibberellin’s active already existing and prevent presenility of crops;
3. Efficient、safety、non-toxicity and residue free;
Application
Prohexadione calcium TC can’t dissolve in water and most organic solvent, it can be made to WP, SC, WDG and troche and so on. 10% WP, 25% SC, 15% WDG and 5% ET are common in market. Prohexadione calcium works through leaf treatment, so it is usually used foliage spray. The dosage is different with different crops.
The Usage and Dosage of prohexadione calcium Used on Different Crops | ||||||
Crops | Dosage/ a.i (mg/L) | Method of use | Effects | |||
Rice | 2-3 | foliage spray 5-10days before jointing stage | Reduce internodes height, prompt lodging- resistant and the development of grains or fruits, increase crop yield | |||
Sorghum | 3-6 | 27-30days after jointing stage, foliage spray | Controling the ultimate height of sorghum | |||
Peanut | 2 | Between full-blooming stage and pod setting stage , foliage spray | Reduce peanut’s plant height, increase fruit number and fat content, increase crop yield markedly | |||
Cotton | 1.5-3 | Once between early florescence and full-bloom stage | Inhibit the vegetative growth of leaves and branches, reduce plant height obviously, increase crop yield and promote quality. | |||
Apple | 2.25-4.5 | Spraying 3 times in fall flowering stage, fruit bearing stage and physiological fruit drop stage. | Inhibit the vegetative growth of leaves and branches, increase crop yield, it can preventive Fire blight (Erwinia amylovora) and other diseases caused by bacterium or fungoid. | |||
Grape | 3-6 | Foliage spray after flower faded | Inhibit the vegetative growth of grape, improve the pigment and phenolic content of grape juice, improve the quality of grape | |||
Chrysanthemum, kale, Dianthus caryophyllus and other ornamental plants | 1.5-3 | Foliage spray | Inducing dwarf, keeping leaves Green, slowing down senescence, no bad effect to leaves and flowers | |||
Agrostis, cynodon, smooth meadow grass, perennial ryegrass, zoysia grass and so on | 3-20 Different kinds of lawn with different dosage | 3-5days after mowing, foliage spray | Reduce the height of new plant by 50-90%, reduce the number of mowing. | |||


1kg/Aluminum Foil Bag
20kg/drum, 25kg/drum FOR plant growth retardant prohexadione calcium 10 wdg, 127277-53-6


Established in 2001, ZHENGZHOU ZHENGSHI CHEMICAL CO., LTD (ZS-CHEM) is enterprise with research, development, production and sales of agrochemicals, is National Authorized Pesticides Production Enterprise and High-Technology Enterprise. Our company has an office area of 1,700 square meters and factory area of 5,000 square meters. ZS-CHEM has more than 300 employees, of which more than 80% have bachelor degree or above. ZS-CHEM is committed to the research on agrochemical, pharmaceutical intermediates, bio-chemicals, etc., and keep improving the research, development and production projects involved
As a National Authorized Pesticides Production Enterprise, ZS-CHEM own 10 technical registrations,including 28-homobrassinolide 90%TC, Diethyl Aminoethyl Hexanoate 98%TC, 1-naphthyl acetic acid 87%TC, 4-indol-3-ylbutyric acid 98%TC, 6-benzylamino-purine 99%TC, 24-epibrassinolide 90%TC and Prohexadione Calcium 92% TC, have 67 pesticide formulation registrations in China, and more than 10 pesticides technical’s Independent Intellectual Property Rights and Production Technology. ZS-CHEM is an earlier company who passed ISO9001:2008 International Quality Management System Certification and ISO14001:2004 Environmental Management System Certification in Pesticide Industry and Alibaba.com certified supplier. Prohexadione calcium won the First Prize of scientific and technological achievements and Second Prize for Science and Technology Progress in Henan Provence. In the process of development, ZS-CHEM obtained 9 invention patents, 5 copyrights, and more than 150 registered trademarks. ZS-CHEM is Deputy Director of Henan Pesticide Management Association, Vice Chairman of Henan Fertilizer Association, Standing Director of China Pesticide Development and Application Association, and Director of China Pesticide Industry Association.







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