The pathogen resistant to triadimefon was major cause of failure to control rubber powdery mildew in Hekou during 1998~2000. Main reason to bring resistant and the countermeasure were discussed.
文摘The pathogen resistant to triadimefon was major cause of failure to control rubber powdery mildew in Hekou during 1998~2000. Main reason to bring resistant and the countermeasure were discussed.