How to prevent dumb flower phenomenon

The narcissus "mute flowers" refers to the fact that during the cultivation of narcissus, the flower buds died in the middle, and the buds withered or the flowers did not bloom. Why would such phenomenon happen? (1) Bulbs are of poor quality, such as small bulbs or diseases and insect pests. The root plate is dry and hair roots are few. (2) Water culture is not allowed, for example, water quality is not clean, water is not changed, light is not available, room temperature is high, and ventilation is poor. (3) The hydroponic season is not suitable for flowering if it is hydroponic when the temperature of the bulb before dormancy or the temperature rise after clearing. To prevent “dignified flowers” ​​from appearing in daffodils, the following measures should be taken for the above reasons: First, select high-quality bulbs (three-year-olds). These bulbs are slightly oblate and round, the roots of the hypertrophy are obvious, and the roots are densely gathered. Second, use rainwater or pond water. If tap water is used, it should be stored in a can (tank) for 1 day before reuse, and be careful to change the fresh water once a day. Third, see more sunlight, indoor ventilation and sunny place, room temperature maintained at 10 degrees -15 degrees under the conditions of conservation. Choose sunny and warm days, put outdoor leeward sunny place after 10am to 3pm, and undergo cold exercise. The north has a dry winter climate and sprays water on the plants every day to help the daffodils grow.

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