Grafting cucumber root rot control methods:
First, do a good seedbed disinfection in the sunny season sunny closed greenhouse, nursery bed or nursery greenhouse soil covered plastic film, the use of high-temperature heat sterilization of soil disinfection, so that bed soil in the conditions of about 50 °C for 10 minutes, can kill Most of the pathogenic bacteria in the soil greatly reduce the incidence rate; Carbendazim, Dixone or thiophanate-methyl can be used for land masses or seed beds with severe disease. Medicines and soils can be mixed in a ratio of 1:10 to sow the soil. Or use soil to disinfect the soil before planting, and also use Green Earth No. 1 (Stachybacter sp., Hymexazol) for bed soil treatment.
Second, strengthen management, improve the pre-stoichiometric soil fertilization, increase organic fertilizer. After planting, watering was appropriately controlled in the early stage to increase the ground temperature and promote root development. Increase the number of watering and timely topdressing after squashing to prevent premature degeneration caused by de-fertilization. Pay attention to ventilation and humidity.
Third, the selection of disease resistant rootstock varieties such as Hebei Academy of Agriculture and Forestry Economic Crops Research Institute and Tangshan Hengfeng seed industry jointly selected oasis angels, Shengen and other yellow seed pumpkin rootstock varieties.
Fourth, the use of drugs to prevent the onset of the disease with 50% Benomyl WP 1500 times, 10% difenoconazole water dispersible granules 1500 times Irrigation roots, each irrigating solution 250 ml.
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