There are roughly three causes of cucumber bitterness: the genetic inheritance of the varieties, the abrupt changes in environmental conditions, and uncontrolled cultivation and management. The techniques for preventing cucumber bitters are as follows:
1. Try to avoid the use of dark green varieties because dark green leaves of cucumber, its high content of bitter, should use lighter varieties of leaves.
2. Appropriately increase the greenhouse temperature When the ground temperature in the greenhouse is lower than 13°C for a long time, the roots are poorly developed, the ability to absorb fertilizer and water is weakened, and the growth of the melon strips is delayed, and the accumulation of bitter elements is increased.
3. Use less organic nitrogen fertilizer and chicken manure organic fertilizer, pay attention to the application of barnyardgrass, do not mix chicken manure, because chicken manure tends to cause cucumber oysters grow and become bitter.
4. During the 2-3 years when the fumigation tobacco seedlings in the shed are in the true leaves, put light smoke (burning straw and straw) into the shed, and the enclosed 2-3 day-night can increase the number of female flowers and increase the number of strong melons and reduce bitterness accumulation.
5. Fill the magnetized water Install a magnetizer at the pump outlet to magnetize the irrigation water. The cucumbers that have been irrigated with moisturizing water grow well and have strong resistance to disease, which prevents the deposition of bittersin in the melon strips.
6. Soaking in water to bitterness Once a cucumber with bitter taste is found, soaking it in clean water for one night after retrieving or buying can reduce or remove bitterness.
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