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5 检出不同种数真菌或卵菌的样本比例

Table 5 Percentage of samples infected with multiple fungi or oomycetes species

年份 Year 检出真菌或卵菌的样本数 Number of samples infected with fungi or oomycetes 真菌或卵菌种数及样本比例 Number of species of fungi or oomycetes and percentage of sample (%) 1 2 3 4 ≥5 2014 128 77.34 18.75 3.13 0.78 0 2015 153 29.41 39.87 20.26 7.84 2.61 2016 174 36.21 25.86 24.14 12.07 1.72 2017 212 23.11 30.66 23.58 11.79 10.85 总计Total 667 38.38 29.24 19.04 8.85 4.50