光照强度对苗期大豆叶片气孔特性及光合特性的影响

陈吉玉,冯铃洋,高静,时健祎,周雨晨,涂发涛,陈元凯,杨文钰,杨峰

Influence of Light Intensity on Stoma and Photosynthetic Characteristics of Soybean Leaves

JiYu CHEN,LingYang FENG,Jing GAO,JianYi SHI,YuChen ZHOU,FaTao TU,YuanKai CHEN,WenYu YANG,Feng YANG

表1 不同大豆遮荫处理及光环境特征

Table 1 Different shade treatment and light environment of soybean canopy

处理 Treatment 荫蔽程度 Shading level 光照强度 Light intensity (μmol·m-2·s-1) 红光/ 远红光比值 Red/Far-red CK 正常光照 (Normal light) 400±3.6 3.8±0.2 LS 遮光20% (20% shading) 320±1.8 3.9±0.3 MS 遮光40% (40% shading) 240±2.9 3.8±0.2 SS 遮光75% (75% shading) 100±1.5 3.9±0.4