Potassium permanganate do without spray pesticides

Potassium permanganate is effective against soft rot prevention sage , snapdragon , marigold soft rot . Such as high-temperature water before sowing prepreg 1 hour , remove and then add potassium permanganate 1000 times in soaking two hours , and in the seedling stage with 800 to 600 times spraying 3 to 4 times, can effectively prevent rot , and rid downy mildew .


Combat viral diseases prevention and control of plant virus diseases with potassium permanganate was significantly better than the effect of the virus A, bacteria Shenduqing other pesticides . In the early stages, with 600 to 800 times the whole plant spray , 5 to 7 days , and even spray 3 to 4 times. If using potassium permanganate and double-effect mepiquat virus K equal mix of 800 to 1000 times , better control viral diseases can not only control the spread of viral diseases , symptoms disappear and also the plants back to life , has revived role. It should be noted combat viral diseases , before the plants carried on sucking pests prevention , to prevent insect virus transmission .


Greenhouse sterilization formalin solution of potassium permanganate added formaldehyde vapor generated on mushroom inoculation box , room for disinfection , with good sterilization effect. Fumigation , per cubic meter of space loaded with 10 ml of formalin to the cup , the particles quickly added 5 g of potassium permanganate , the closed tank , fumigation chamber 4 to 6 hours. When using potassium permanganate back sprayers spray , should pay attention to dispensing constantly stir, so all dissolved drug particles , and with the distribution with the use , to prevent oxidation of waiting for a long lapse . In addition , spraying should be selected in 9:00 or 16:00 or so later proceed. 7 leaves before spraying seedlings after 5 minutes , rinse with water ; seedlings with low concentrations , the adult stage with a high concentration .


Planting soil disinfection of potassium permanganate solution dubbed 800 to 1000 times , careful spraying with spray after hand pump sprayers spraying with plastic film covering seven days , use of this drug may be effective in preventing soil for sowing plants seedling blight, stem rot disease, damping-off disease and so on.


Preparation of potassium permanganate solution to use well water , river water, tap water , etc. can , but avoid stagnant water , sewage, water , etc., otherwise it will reduce its bactericidal effect , because the reduction of potassium permanganate and organic matter reacts dioxide manganese, and lose bactericidal effect. Therefore, for external use only and can only be used with the distribution .