Everyone knows Potassium permanganate is a strong oxidation-reduction agent , is a human and animal medicine common surgical treatment , known pp powder , the solution has a strong sterilization, disinfection and antiseptic effect. There are tests proved , with its different concentrations of solution prevention flower seedling damping-off disease and blight, downy mildew, rot , Fusarium wilt, root rot, viral diseases and other diseases , the effect is very significant. Also, it contains essential plant two kinds of manganese and potassium nutrients, can promote plant growth , can be described as dual-use pesticide and fertilizer . According to medical experts, the drug rich source of drugs , low cost , local pharmacies are sold, easy to purchase , and use of human and animal safety , non-toxic , non- crop residue, no injury, no environmental pollution . Therefore , potassium permanganate is a medicine used along fat , non-toxic , no residue, pollution-free vegetables, flowers, rare fungicides. In plant disease control aspects are:
A , control damping-off , blight Petunia , Salvia , marigold after emergence , every 7 to 10 days with a 800 to 1000 -fold ( after first dilute concentrated ) professional backpack sprayerspray. According to tests, potassium permanganate seedling damping-off disease control efficiency up to 97% , the effect is significantly better than carbendazim, Zineb , PCNB , Fenaminosulf other pesticides .
Second, control downy mildew proven prevention and treatment plants with potassium permanganate downy mildew with good results , much better than chlorothalonil, zineb and other pesticides . If after emergence cineraria 2 leaves before flowering heart to 800 ~ 600 times with potassium permanganate spray 5 ~ 7 days a times, even weed sprayer spray four times , which can effectively prevent the occurrence of downy mildew . If the center appears diseased , even 600 times with potassium permanganate spray three times at an interval of 5 days , to downy mildew has a good control effect
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