棉粕对盐碱胁迫下棉花生理及生长补偿效应

马宏秀,王开勇,张开祥,孟春梅,安梦洁

Effect of Cottonseed Meal on Cotton Physiology and Growth Compensation Under Salinity-alkalinity Stress

Hongxiu Ma,Kaiyong Wang,Kaixiang Zhang,Chunmei Meng,Mengjie An

表2 棉粕对盐碱胁迫下棉花光合参数的影响

Table 2 Effect of cottonseed meal on photosynthetic parameters of cotton under salinity-alkalinity stress

Treatment Pn (μmol·m-2·s-1) Gs (mol·m-2·s-1) E (mmol·m-2·s-1) Ci (μmol·mol-1) Ls CK 6.73±0.15 a 111.13±1.28 a 1.81±0.25 a 281.20±0.10 b 0.25±0.10 a Y0 6.32±0.38 b 79.17±0.70 d 1.60±1.95 ab 262.79±0.07 e 0.28±0.04 a Y1 6.57±0.15 a 85.7±0.49 c 1.67±1.10 ab 270.00±0.06 d 0.25±0.06 a Y2 6.63±0.27 a 94.38±1.81 b 1.76±1.86 ab 282.81±0.04 b 0.21±0.10 a J0 5.16±0.07 c 75.16±1.63 e 1.58±1.60 b 274.77±0.08 c 0.26±0.05 a J1 5.76±0.18 bc 85.78±1.06 c 1.63±1.54 ab 282.47±0.06 b 0.21±0.10 a J2 5.82±0.25 b 86.02±1.51 c 1.66±1.88 ab 294.13±0.10 a 0.21±0.09 a