Chemical weeding in dry direct seeding fields of single cropping middle-late rice was studied in Huida vegetable farm of Huizhou City in 2012. The main treatmen
The pathogen, characteristics, pathogenic mechanism, infection cycle, occurrence regularity and damage symptom of cotton Verticillium wilt are expounded in the
[Objective]The paper was to screen the effective agents against kiwifruit bacterial canker in Wanzhou District of China. [Method]Ten kinds of common commercial