To avoid bitterness during cucumber planting, disease-resistant varieties should be selected and malformed melons should be removed.
Cucumber produces bitterness is a kind of physiological disease, mainly due to the accumulation of bittersin in melon too much, mainly by cucumber varieties, moisture, fertilizer, temperature and plant strength constraints, it can make people produce vomiting, Diarrhea, delirium and other symptoms of poisoning. The disease is affected by a specific temperature and humidity microclimate, mainly in the early flowering root melons and late flowering melons. According to test and production, the main control methods are:
1, choose resistant varieties.
2. Remove the malformed melon with no commercial value in time.
3, balanced fertilization. Increase the use of maturity basal fertilizer, apply 50 kg of superphosphate per acre in base fertilizer, promote formula fertilization techniques, follow NPK fertilization at 5:2:6 ratio at full flowering stage, spray 0.3% phosphoric acid at the late stage of fertility Hydrogen potassium.
4. Avoid drought. When the temperature is higher and the soil moisture is less, the plants are susceptible to physiological drought, and irrigation should be performed in time.
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