Four methods for preventing and curing bitterness of cucumber
Careful selection of seeds: "Bitter gourdine" is hereditary and should be selected without bitterness and with smooth melons. Seed dressing with new high-fat film (can be mixed with seed coating agent) can repel underground diseases and insects, isolate viral infections, does not affect the germination and swelling function, strengthen breathing strength, and increase the germination rate of seeds.
Reasonable fertilization: The application of nitrogen fertilizer should be controlled at the seedling stage to avoid plant growth; and spray the foliar fertilizer to stop the main shoots from growing, promote flower bud differentiation, more flowering, improve pollen fertilization quality, more flowering, more fruit set, prevent fruit drop, and promote development. By the time of flowering and fruiting, the supply of nitrogen fertilizer needs to be strengthened. Spray Zhuangguatiling at the right time to promote the rapid development of melon body, beautiful melon type, juicy and delicious; the growth cycle does not drop flowers, do not drop melons, reduce the rate of cracked melons, and have no deformed melons.
Irrigation in time: Drought should be avoided. The drought will cause the plant to produce "physiological drought", so that more "bitter" will enter the fruit. Spray new high-fat film in time to prevent water evaporation, prevent sun and drought, and prevent soil layer compaction.
Keep the temperature: When the ground temperature is below 13 ℃, nutrients and water are affected, then there will be more bitter melons. When the ground temperature reaches above 30℃ for too long, it will also increase the bitterness.
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