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问:我养的几盆瓜叶菊,在育蕾期程度不同地出现了勺状叶,影响观赏。为什么?怎样预防? 淮阴徐敏生答:在瓜叶菊育蕾的关键期,温度应掌握适宜,一般来讲白天不可超过15℃夜晚不低于8℃则同化产物过剩被积累用于育蕾。但温度若达25℃,仅三天左右时间,植株就会发生勺状叶现象,进而使光合作用降低,花少花小,甚
Q: I raise several pots of cineraria, scion-like leaves appear in different degrees during the breeding period, affecting ornamental. Why?? How to prevent? Huaiyin Xu Min Sheng A: In the critical period of Yueli Yu Lei, the temperature should be appropriate, generally speaking during the day can not exceed 15 ℃ at night not less than 8 ℃, the excess of assimilation products are accumulated for Yu Lei. However, if the temperature reached 25 ℃, only three days or so, the phenomenon of spoon-shaped leaves of plants will occur, thus reducing the photosynthesis, spend less flowers, and even