The corn curvalaria leaf spot occurred lightly and 20 corn species were divided into two kinds of type of disease resistanse of middle susceptibility and middle resistanse.
弯孢霉叶斑病为轻发生，并将20个玉米品种划分为中感和中抗两种抗病类型。
The corn curvalaria leaf spot occurred lightly and 20 corn species were divided into two kinds of type of disease resistanse of middle susceptibility and middle resistanse.
弯孢霉叶斑病为轻发生，并将20个玉米品种划分为中感和中抗两种抗病类型。
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