黄淮海夏玉米主产区茎腐病主要病原菌及优势种分析

刘树森,马红霞,郭宁,石洁,张海剑,孙华,金戈

Analysis of Main Pathogens and Dominant Species of Maize Stalk Rot in the Main Summer Maize Producing reas of Huang-Huai-Hai

LIU ShuSen,MA HongXia,GUO Ning,SHI Jie,ZHANG HaiJian,SUN Hua,JIN Ge

表4 不同年度主要病原菌的检出率

Table 4 Detection rate of main pathogens in different years

省份 Province	年份 Year	检出真菌或卵菌的样本数 Number of samples infected with fungi or oomycetes	检出率Detection rate (%)
省份 Province	年份 Year		拟轮枝镰孢 F. verticillioides	禾谷镰孢复合种 F. graminearum species complex	层出镰孢 F. proliferatum	芒孢腐霉 P. aristosporum
河北 Hebei	2014	24	41.67	29.17	0	4.17
	2015	9	55.56	44.44	11.11	44.44
	2016	35	68.57	48.57	34.29	22.86
	2017	55	94.55	50.91	25.45	16.36
河南 Henan	2014	52	13.46	40.38	0	59.62
	2015	92	51.09	58.70	3.26	25.00
	2016	104	73.08	54.81	48.08	16.35
	2017	92	82.61	34.78	36.96	33.70
山东 Shandong	2014	52	30.77	9.62	11.54	40.38
	2015	52	44.23	55.77	46.15	28.85
	2016	35	68.57	45.71	45.71	25.71
	2017	65	83.08	66.15	41.54	38.46