外源物质对高温胁迫下烤烟上部叶光合及抗氧化能力的影响

曾嘉楠, 叶晓青, 蔡民爵, 周诚, 何澎, 陈壮壮, 陈雨峰, 曹良军, 陈建军, 王媛媛

Effects of Exogenous Substances on Photosynthesis and Antioxidant Capacity of Upper Leaves of Flue-Cured Tobacco under High Temperature Stress

Zeng Jianan, Ye Xiaoqing, Cai Minjue, Zhou Cheng, He Peng, Chen Zhuangzhuang, Chen Yufeng, Cao Liangjun, Chen Jianjun, Wang Yuanyuan

表1 不同外源物质对高温胁迫下烤烟叶片颜色特征值的影响

Table 1 Effects of different exogenous substances on the color characteristic values of flue-cured tobacco leaves under high temperature stress

处理时长Processing duration 处理Treatment L* a* b* C* H* 5 d CK 48.66±0.51d -6.12±0.61b 30.45±0.58c 31.11±0.66d 101.10±1.01a HT 65.52±0.23a 5.18±1.41a 54.70±1.28a 51.67±2.99a 83.97±1.35c H2O 61.07±1.16b -3.25±0.14b 45.90±0.28b 46.24±0.17ab 87.97±4.66bc SA 51.28±2.18cd -3.90±0.48b 44.60±3.70b 35.82±3.70cd 91.26±4.43b MT 53.63±2.06c -5.62±1.74b 39.44±3.44b 39.94±3.29bc 98.43±2.89a 6-BA 55.48±1.60c -6.03±1.21b 43.27±3.25b 35.35±3.28cd 99.11±1.40a 10 d CK 48.70±3.39c -3.95±1.61b 24.00±1.70d 30.94±5.42b 96.80±1.55ab HT 66.03±1.45a 5.07±0.64a 57.28±0.59a 44.57±2.42a 80.88±3.01c H2O 57.66±0.38b -2.33±1.25b 44.90±0.08b 45.14±0.10a 95.51±1.59ab SA 58.59±1.38b -2.87±0.94b 45.36±1.09b 45.48±1.02a 93.67±1.29b MT 53.41±0.55bc -4.16±0.93b 39.07±0.92c 39.32±1.00a 96.03±1.25ab 6-BA 54.38±0.94b -4.57±0.57b 39.64±1.41c 40.36±1.46a 100.80±0.60a