不同杀菌剂对向日葵菌核病的田间防治效果

张海洋, 李海燕, 孟庆林, 何超群, 刘树清

Effects of Different Fungicides on Field Control of Sunflower Sclerotinia Rot

Zhang Haiyang, Li Haiyan, Meng Qinglin, He Chaoqun, Liu Shuqing

表1 5种杀菌剂对向日葵菌核病菌的抑制作用

Table 1 In vitro inhibitory effects of five fungicides on sunflower Sclerotinia sclerotiorum

处理 Treatment	药剂 Fungicide	菌丝生长抑制活性 Inhibitory activity on mycelial growth				子囊孢子萌发抑制活性 Inhibitory activity on ascospore germination
		毒力回归方程 Regression equation of toxicity	相关系数 Correlation coefficient	EC₅₀ (μg/mL)		毒力回归方程 Regression equation of toxicity	相关系数 Correlation coefficient	EC₅₀ (μg/mL)
		毒力回归方程 Regression equation of toxicity	相关系数 Correlation coefficient	EC₅₀ (μg/mL)	T1	毒力回归方程 Regression equation of toxicity	相关系数 Correlation coefficient	EC₅₀ (μg/mL)	50%啶酰菌胺WG	y=0.6895x+5.6420	0.9624	0.2152	y=1.9962x+9.4901	0.9809	0.0563
T2	20%吡噻菌胺SC	y=0.6289x+5.9561	0.9813	0.0302		y=0.7200x+5.3588	0.9969	0.3174
T3	75%拿敌稳WG	y=1.0814x+6.5501	0.9899	0.0370		y=0.8147x+5.7690	0.9959	0.1137
T4	10%丙硫唑SC	y=0.3634x+5.0242	0.9569	0.8578		y=0.9211x+4.2661	0.9632	6.2627
T5	24%噻呋酰胺SC	y=1.5403x+4.4183	0.8896	2.3859		y=0.7113x+4.7850	0.9391	2.0057