There are six reasons why a tulip can't bloom: First, the cultivation of the bulbs of the commercial bulbs has continued for 2 to 3 years and the bulbs have been degraded. For example, due to the large difference between the cultivation environment and the original habitat of the tulip, its bulbs are degraded. Under normal circumstances, commercial bulbs purchased from the flower market can only be planted for 1 year without corresponding rejuvenation measures, and they cannot continue to flower normally in the second year. Second, the ambient temperature of the ball during storage is too high, resulting in a large amount of nutrients inside the bulb, flower bud differentiation stage and there is no suitable temperature conditions (cool and dry), resulting in abnormal flower development, and can not flower. Third, water and fertilizer management errors, such as too much water, phosphorus and potassium fertilizer supply. The fourth is that the bulbs are not treated with low temperature before planting. Generally, good bulbs are developed. They must be treated at a low temperature of 5°C to 9°C for 2 to 3 months before planting, and then transferred to greenhouses for cultivation to promote flower buds. Stout, large flowers, flowering ahead of schedule. Fifth, the root system of the plant was damaged. After the root system was injured, it could not be regenerated. Therefore, the transplanted plants were not easy to flower. Sixth, the bulbs are infected with the disease, causing it to rot and also preventing the plants from flowering normally. The family pots can be planted in deep pots from September to October. Potted soil can be used to prepare 7 parts of rot leaves, 2 parts of sand, 1 part of cooked cake or manure, and be evenly mixed and prepared. Before the planting, the brown membranous epidermis on the outside of the bulb was torn off and then sterilized with carbendazim 1000 times so as to be implanted in the pot. Under normal circumstances, a caliber of 20 cm above the planting of commercial bulbs 2 to 3, and then drenched, placed in an environment with adequate light and management in place, generally can be a smooth flowering. If the bulb is not treated with low temperature, the potted plant can be placed in an environment of 5°C to 9°C for 60 to 80 days, and then transferred to a room of 15°C to 18°C. The temperature at night can be slightly lower. 2 °C ~ 3 °C, more rapid application of phosphorus and potassium fertilizer, plants can also quickly twitching flowers.
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