论文部分内容阅读
近十年来,我地番茄生产中病毒病、青枯病、疫病普遍发生,造成严重减产。从1977年起,我们进行了番茄
In the past ten years, my virus production in tomato production, bacterial wilt, epidemics have generally occurred, causing serious cuts in production. Since 1977, we have conducted tomatoes