感抗油菜近等基因系混播对根肿病发病率的影响

郭清云, 蒯婕, 汪波, 刘芳, 张椿雨, 李根泽, 张云云, 傅廷栋, 周广生

Effect of mixed-sowing of near-isogenic lines on the clubroot disease controlling efficiency in rapeseed

Qing-Yun GUO, Jie KUAI, Bo WANG, Fang LIU, Chun-Yu ZHANG, Gen-Ze LI, Yun-Yun ZHANG, Ting-Dong FU, Guang-Sheng ZHOU

表1 华双5R和华双5号在各处理下的发病情况

Table 1 Disease incidence and disease index for Huashuang 5R and Huashuang 5 in different treatments

菌种 P. brassicae	处理 Treatment	华双5R Huashuang 5R						华双5号 Huashuang 5
		发病率 Disease incidence (%)	病情分级 Disease severity scale				病情指数 Disease index	发病率 Disease incidence (%)	病情分级 Disease severity scale				病情指数 Disease index
		发病率 Disease incidence (%)	0	1	2	3	病情指数 Disease index	发病率 Disease incidence (%)	0	1	2	3	病情指数 Disease index
绩溪2号小种 Pathotype 2 from Jixi	CK	5.0 ab	57	0	1	2	4.4 b	100.0 a	0	0	10	50	94.5 a
	T1	3.3 b	58	2	0	0	1.1 d	65.0 c	21	24	9	6	33.3 e
	T2	3.3b	58	1	1	0	1.7 d	95.0 b	3	10	8	39	79.4 d
	T3	3.3 b	58	0	1	1	2.8 c	95.0 b	3	4	7	46	86.7 c
	T4	6.7 a	56	0	1	3	6.1 a	96.7 b	2	4	3	51	90.6 b
	均值Mean	4.0					3.0	88.0					72.5
恩施4号小种 Pathotype 4 from Enshi	CK	1.7 a	59	1	0	0	0.6 a	100.0 a	0	0	17	43	90.6 a
	T1	1.7 a	59	1	0	0	0.6 a	62.5 d	17	18	5	20	34.2 e
	T2	1.7 a	59	1	0	0	0.6 a	80.0 c	12	22	9	17	50.6 d
	T3	1.7 a	59	1	0	0	0.6 a	81.7 c	11	17	8	24	58.3 c
	T4	0.0 b	60	0	0	0	0.0 a	91.7 b	5	16	7	32	70.0 b
	均值Mean	1.3					0.5	79.0					53.3