米兰开花为什么不香
米兰开花为什么不香,米兰的花朵之所以有香味,是因为花朵中具有制造香气的油细胞,可不断的通过油腺分泌散发芳香油,而芳香油散发的多少则主要决定于温度与光照的强度,米兰开花为什么不香的原因。
①夏季是生长旺季,长期放于荫蔽少光处,加之施以氮肥或浇水过多,都会造成不开花、少开花或香味淡薄的后果。
②夏季长期放于室内观赏,由于室内阳光太弱或过于阴暗,因而生长不良,植株瘦弱,枝叶稀疏,可造成只长叶、不开花的后果。

③遭受红蜘蛛及介壳虫的侵害,使新枝老叶上出现褐色小斑点,或有白色小虫,最后造成大量落叶、落花而死亡。
当阳光充足且温度高于30℃时,芳香油散发快,香气就浓郁。反之,在光照不足或温度较低时,米兰虽也能开花,但香味不浓,甚至毫无香味。米兰开花已是晚秋初冬,如果置于室内,这时的光照强度显然不能与夏天同日而语,光照时间也短,加上气温较低,开出的花就自然没有香味了。
此时,可以把米兰放在室外,给予充足的阳光,同时应在室内时,补充一定的光照和温度,使其能正常生长,开出具有浓郁香味的花来,以上就是关于米兰开花为什么不香的介绍。
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