论文部分内容阅读
昙花花形美,花朵大,并具有独特的清香味,有较高的观尝价值。又因昙花栽培容易,管理方便,适应性强,深受花卉爱好者欢迎。但由于昙花的花期很短,仅开3—5小时,而且是在晚上开放,有“昙花一现”的不足之处。我们经过5年的观察和试验,在如阿使昙花白天开放方面取得了较理想的效果,现介绍如下: 一、改变光照时间光照是影响植物开花的主要因素。昙花原产在气候干燥炎热的美州南部和墨西哥一带,那里沙漠多,昼夜温差
Epiphyllum-shaped beauty, flowers, and has a unique flavor of the fragrance, have a higher taste value. Because of Ephedra cultivation is easy, easy management, adaptability, welcomed by flower enthusiasts. However, due to the short flowering period, only 3-5 hours open, and it is open at night, there is “short-lived” shortcomings. After five years of observation and experimentation, we have achieved satisfactory results in the opening up of the blight in the daytime, as follows: I. Changing the lighting time Lighting is the main factor that affects the flowering of plants. Epiphyllum native to the dry and hot climate in the southern United States and Mexico, where the desert, the temperature difference between day and night