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|Place of Origin:||China|
|Model Number:||transparency liquid|
|Minimum Order Quantity:||Negotiable|
|Packaging Details:||200L drum|
|Delivery Time:||10-20 work days|
|EINECS No:||236-809-2||Formula Weight:||158.18|
organic liquid fertilizer,
natural organic fertilizer
Natural Liquid Fertilizer Potassium Phosphite transparency liquid
Potassium phosphite is an environment-friendly high-efficiency fertilizer and an important component of a new liquid foliar fertilizer formula.
|CAS No.||13977-65-6 13492-26-7|
|Other Names||Mono-and Di-Potassium salts of phosphorous (phosphoric)acid|
|MF||KH2PO3 + K2HPO3|
|Place of Origin||China (Mainland)|
|Model Number||545 w/w|
|pH||4.0 - 5.0|
|solubility||soluble in water|
【method of application】
Potassium phosphite has a good inhibitory effect on phytophthora, downy mildew, powdery mildew and other fungal diseases, and can induce persistent immunity of crops to pathogenic fungi and viruses. In potato planting, potassium phosphite is applied, which has very good control effect. Potassium phosphite plays an important role in plant disease resistance mainly in the following aspects:
A. When pathogens invade, they can induce seedling cells to produce lignin, increase the thickness of cell wall, make it hard and firm, confine pathogens to cell wall, single cell or local tissue, thus preventing further invasion and expansion.
B. Potassium phosphite can directly attack pathogens and induce crops to produce defensin (PA), a toxic substance to viruses, which can inhibit and kill pathogens. Therefore, the synthesis and accumulation of defensin is an important defense response of plants.
C. After the invasive pathogen is controlled, potassium phosphite can induce crops to send disease resistance signals to other cells that have not yet received the attack to initiate defense systems, and then cause the whole plant to resist the same pathogen or other pathogens, so that the system acquires disease resistance.
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