Potassium permanganate skillfully treats flower diseases and matters needing attention in soilless cultivation of flowers.

Potassium permanganate is a strong oxidant, which is often used in agricultural production to disinfect soil and seedlings and control crop diseases. Potassium permanganate has the characteristics of few residues and not easy to cause drug damage, and it also has a good opportunity to show its ability in the prevention and control of flower diseases.

Before soil disinfection and sowing, after soil preparation, spray with 400-600 times potassium permanganate solution, then cover with plastic film and seal exposure for about a week, then uncover film sowing or cutting seedlings. In the aspect of potted flowers, potassium permanganate solution can be sprayed to the prepared nutritious soil and sealed with thin film for a period of time. It can effectively prevent the occurrence of stem blight, stem blight, quenching disease and root rot.

Disinfection of seedlings soaked in 0.1% potassium permanganate solution for 2 hours or disinfection of seedlings can prevent soft rot, downy mildew and rhizome diseases.

During the growing period, the seedlings after sowing and unearthed flowers were sprayed with 8 to 1000 times potassium permanganate solution, once every 7 to 10 days, for 3 to 4 times in a row, which could control the quenching disease of flowers and plants at seedling stage, such as petunia, red, marigold and so on. the effect is better than that of conventional pesticides. Spraying potassium permanganate with 600 to 800 times liquid from seedling stage to flowering stage, spraying once every 5 to 7 days and spraying 3 to 4 times continuously, can effectively control soft rot and downy mildew. The above concentration of potassium permanganate solution can also be used to prevent and cure root rot. In the initial stage of flower virus disease, potassium permanganate was sprayed every 5 to 7 days for 3 to 4 times, or a mixture of 1000 times of potassium permanganate and double-acting growth virus K was used to prevent and cure the virus disease.

Flowers use potassium permanganate precautions, because potassium permanganate is a strong oxidant, it is easy to reduce reaction with organic matter and lose its germicidal efficacy. Therefore, do not use stagnant water, sewage or hot water when using, and use it whenever you want. At the same time, prevent mixed use with strong alkaline pesticides.