喷施生长调节剂缓解甘薯干旱胁迫的机理
|
|
王金强,李思平,刘庆,李欢
|
Mechanism of Spraying Growth Regulators to Alleviate Drought Stress of Sweet Potato
|
|
JinQiang WANG,SiPing LI,Qing LIU,Huan LI
|
|
表3 干旱胁迫下喷施生长调节剂对甘薯叶片光合特性的影响（120 d）
|
Table 3 Effects of spraying growth regulators on photosynthetic characteristics of sweet potato leaves under drought stress (120 d)
|
|
处理
Treatment | 净光合速率
Pn (mol·m-2·s-1) | 蒸腾速率
Tr (mmol·m-2·s-1) | 气孔导度
Gs (mmol·m-2·s-1) | 细胞间隙CO2浓度
Ci (mol·mol-1) | | CK | 20.60±0.70a | 5.11±0.04a | 390.50±20.60a | 280.57±11.70a | | LD | 18.58±1.46b | 3.16±0.91c | 212.67±11.30c | 240.00±6.32c | | LD+ABA | 19.34±0.68b | 3.09±0.06d | 201.33±11.98d | 253.86±5.25b | | LD+NAA | 18.78±0.96b | 3.21±0.26c | 214.94±15.11c | 243.64±7.71bc | | LD+6-BA | 20.61±0.40a | 3.51±0.04b | 235.95±10.98b | 277.23±8.42a |
|
|
|