临界光周期 meaning in English
critical photoperiod
Examples
- Plants treated with daylengths not longer than 15h flowered earlier with the shortening of the daylength . plants flowered earliest when treated with 8h light / d
在8h光照16h黑暗处理条件下，毕氏海蓬子开花所需之临界光周期数为13 ； 3