光照强度和光周期对香樟实生苗生长的影响

Effects of Light Intensity and Photoperiod on Growth of Cinnamomum camphora Seedlings

以香樟种子及三年生以内香樟实生苗作为试验材料,在不同光照强度和光周期条件下,对香樟实生苗的生长情况进行分析对比。结果表明,21～30 klx的光照强度是香樟实生苗最适宜的光照强度;15 h光期处理下的苗木株高低于24 h全光照处理,但地径大于24 h全光照处理,说明15 h光期有利于培育壮苗。

The growth of Cinnafmomum camphora seeds and 3 years old Cinnamomum camphora seedlings were analyzed and compared under different light intensity and light cycle conditions.The results showed that the light intensity of 20-30 kilolux was the most suitable light intensity for the seedlings of Cinnamomum camphora.The plant height of Cinnamomum camphora seedlings in 15 hours of light period condition was less than that in 24 hours full light condition,with the ground diameter greater than that in 24 hours full light condition,which indicated that 15 hours of light period was favorable to cultivating strong seedlings.