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2 丙409R和丙409在各处理下的发病情况

Table 2 Disease incidence and disease index of Bing 409R and Bing 409 in different treatments

菌种 P. brassicae	处理 Treatment	丙409R Bing 409R						丙409 Bing 409
		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
礼州2号小种 Pathotype 2 from Lizhou	CK	16.7 a	51	0	4	5	12.8 a	83.3 a	10	8	12	30	67.8 a
	T1	15.0 a	51	2	5	2	10.0 c	70.0 cd	18	9	11	17	48.3 d
	T2	16.7 a	50	4	3	3	10.6 c	73.3 c	16	9	7	28	58.1 c
	T3	15.0 a	51	2	4	3	10.6 c	78.3 b	13	7	14	26	62.8 b
	T4	16.7 a	50	3	3	4	11.7 b	80.0 b	12	6	10	32	67.8 a
	均值Mean	15.9					10.7	75.4					59.3
歙县4号小种 Pathotype 4 from Shexian	CK	8.3 a	55	3	0	2	5.0 a	100.0 a	0	3	10	47	91.1 a
	T1	5.0 b	57	2	1	0	2.2 c	43.3 e	34	9	1	16	32.8 d
	T2	6.7 ab	56	1	2	1	4.4 b	48.3 cd	31	12	8	9	30.6 d
	T3	8.3 a	55	1	4	0	5.0 a	50.0 bc	30	6	11	13	37.2 c
	T4	8.3 a	55	1	4	0	5.0 a	51.7 b	29	4	8	19	42.8 b
	均值Mean	7.1					4.2	48.3					35.9