二甲四氯胁迫对谷子幼苗叶片衰老特性和 内源激素含量的影响
|
|
郭美俊,白亚青,高鹏,申洁,董淑琦,原向阳,郭平毅
|
Effect of MCPA on Leaf Senescence and Endogenous Hormones Content in Leaves of Foxtail Millet Seedlings
|
|
MeiJun GUO,YaQing BAI,Peng GAO,Jie SHEN,ShuQi DONG,XiangYang YUAN,PingYi GUO
|
|
表3 二甲四氯处理对谷子叶绿素含量及光合参数的影响
|
Table 3 Effects of MCPA on chlorophyll content and photosynthetic parameters in foxtail millet leaves
|
|
品种
Cultivars | 时间
Time | 有效剂量
Effective dosage (kg·hm-2) | 叶绿素
Chlorophyll content (mg·g-1FM) | 净光合速率
Net photosynthetic rate (μmol·(CO2) m-2·g-1) | 蒸腾速率
Transpiration rate (μmol·(H2O) m-2·g-1) | 气孔导度
Stomatal conductance (mmol·(H2O) m-2·g-1) | 晋谷21号
Jingu 21 | 5 DAT | 0 | 1.31±0.01a | 16.56±0.23a | 2.96±0.09a | 83.45±2.06a | | 0.75 | 0.82±0.06b | 14.32±0.04b | 2.91±0.24ab | 82.74±4.53a | | 1.50 | 0.63±0.01c | 14.07±0.42b | 2.38±0.18bc | 74.31±4.04ab | | 3.00 | 0.60±0.05c | 12.86±0.71bc | 2.31±0.10c | 72.04±5.10ab | | 6.00 | 0.29±0.01d | 12.00±0.43c | 2.20±0.07c | 62.43±1.19b | | 15 DAT | 0 | 1.42±0.03a | 28.19±1.54a | 4.49±0.17a | 110.39±4.01a | | 0.75 | 1.04±0.03b | 25.07±0.24ab | 4.29±0.07a | 107.36±3.10ab | | 1.50 | 0.66±0.00c | 24.85±0.49ab | 4.07±0.52a | 99.74±3.79b | | 3.00 | 0.60±0.01d | 22.94±1.33bc | 3.97±0.37a | 97.90±4.21b | | 6.00 | 0.26±0.00e | 20.58±1.16c | 3.64±0.38a | 87.23±2.21c | 张杂10号
Zhangza 10 | 5 DAT | 0 | 1.24±0.02a | 16.47±0.32a | 5.11±0.09a | 92.12±2.80a | | 0.75 | 1.05±0.01b | 15.86±0.29ab | 5.11±0.43a | 84.92±2.93ab | | 1.50 | 0.99±0.03c | 14.29±1.09bc | 4.95±0.23a | 75.58±2.63bc | | 3.00 | 0.83±0.01d | 12.92±0.25c | 4.44±0.31a | 73.98±4.67c | | 6.00 | 0.69±0.01e | 12.60±0.49c | 4.42±0.35a | 71.41±1.91c | | 15 DAT | 0 | 1.70±0.01a | 30.02±1.22a | 5.34±0.12a | 133.62±3.85a | | 0.75 | 1.16±0.02b | 23.71±1.43b | 5.31±0.31a | 130.18±0.68a | | 1.50 | 0.95±0.01c | 23.21±0.60b | 4.84±0.40ab | 126.09±1.84a | | 3.00 | 0.72±0.01d | 21.11±0.45bc | 4.50±0.34bc | 107.07±0.77b | | 6.00 | 0.63±0.02e | 19.70±0.51c | 3.92±0.18c | 100.56±0.90b |
|
|
|