Vegetable seeds often carrier, so seed disinfection is the prevention of seedling damping-off and some other diseases one of the main measures of. Cataplexy, tomato ring spot disease ( early blight ), anthracnose of pepper, eggplant Phomopsis rot, cucurbits anthracnose can seed by sick, the" three eggplant two melon" will be seeding, prevent disease, seedling, must from seed disinfection work well. Common seed disinfection method has the following two kinds:
One, hot water for. The seed into the 5 times on the seed weight with a certain temperature in the hot water immersion scalding, and stir constantly, make the seed to be uniformly heated, water temperature to 30 degrees, stop stir into the routine, soaking and pregermination. Due to a variety of seeds of different kinds of heat resistance, hot water temperature will have the difference, the water temperature is too high will be burnt to death seed, low bactericidal effect. Tomato, pepper and cruciferous vegetables seeds with 50 - 55 DEG C hot water scald, and continue to stir. Cucumber and eggplant seeds with 75 - 80 DEG C hot water for 10 minutes is better.
Two, pharmacy disinfection. Is the use of medicament soaking or dressing.
1, carbendazim. With 0.1% solution of carbendazim melon seed soaking for 10 minutes, can prevent Fusarium wilt, soaking the nightshade seed 2 hours, against Verticillium wilt.
2, potassium permanganate. With 1% potassium permanganate solution soaking for 20 minutes, can prevent the Solanaceae and legume virus disease.
3, phosphoric acid three sodium. With 10% phosphoric acid three sodium solution soaking for 20 minutes, can prevent the Solanaceae and legume virus disease.
Note that no matter what kind of pharmacy disinfection, should be clean ( except for seed dressing ), can be transferred to the conventional soaking and pregermination or live.

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