连作马铃薯根系分泌物鉴定及其对尖孢镰孢菌(Fusariumoxysporum)的作用
谢奎忠, 邱慧珍, 胡新元, 罗爱花

Identification of root exudates from continuous cropping potato in dry land and their allelopathy to Fusarium oxysporum
Kuizhong Xie, Huizhen Qiu, Xinyuan Hu, Aihua Luo
表6 尖孢镰孢菌侵染后马铃薯枯萎病发病级别和病情指数
Table 6 The photosynthetic pigment content of potato infected by Fusarium oxysporum schlecht
有机酸

浓度/

(mmol·L-1

15 d30 d
发病 级别病情 指数发病 级别病情 指数
苹果酸0.001.10c27.501.40c35.00
0.051.30bc32.501.60c40.00
0.101.50bc37.502.00b50.00
0.502.00a50.002.50a62.50
棕榈酸0.001.10c27.501.40c35.00
0.051.20c30.001.50c37.50
0.101.60b40.001.90b47.50
0.501.90a47.502.40a60.00