叶锈病不同危害等级下咖啡叶片的光合特征和抗逆性酶比较

付兴飞, 李亚麒, 喻好好, 李贵平, 毕晓菲, 李亚男, 胡发广, 邰杰

Comparison of Photosynthetic Characteristics and Resistant Enzymes in Coffee Leaves under Different Levels of Leaf Rust Damage

Fu Xingfei, Li Yaqi, Yu Haohao, Li Guiping, Bi Xiaofei, Li Yanan, Hu Faguang, Tai Jie

表1 不同危害等级下咖啡叶片的光合参数

Table 1 Photosynthetic parameters of coffee leaves under different damage levels

危害等级 Damage level Pn [μmol/(m2·s)] Gs [mol/(m2·s)] Ci (μmol/mol) Tr [mmol/(m2·s)] EWU (mmol/mol) LUE (mol/mmol) 0 9.50±1.88cd 0.08±0.01c 230.90±27.27c 1.43±0.23c 6.82±1.28a 1.14±0.26bc Ⅰ 15.58±2.14ab 0.14±0.03b 223.78±21.09c 3.17±0.53b 5.31±0.55ab 1.51±0.17bc Ⅱ 14.75±2.14bc 0.16±0.02b 243.00±27.88c 3.73±0.49b 4.34±0.72bc 1.56±0.33abc Ⅲ 20.65±3.48a 0.23±0.03a 267.44±27.04bc 5.56±0.48a 4.02±0.78bc 1.88±0.24ab Ⅳ 11.74±2.13bc 0.14±0.01b 273.60±19.55bc 3.96±0.40b 2.89±0.44cd 3.33±1.62a Ⅴ 11.49±1.51bcd 0.13±0.02b 252.70±21.44c 3.77±0.46b 3.20±0.45cd 1.14±0.21bc Ⅵ 6.08±1.16d 0.13±0.02b 326.44±13.05b 4.23±0.46b 1.52±0.25de 0.48±0.10bc Ⅶ 0.20±0.10e 0.13±0.01b 438.00±12.22a 4.15±0.37b 0.05±0.03e 0.02±0.01c