The control effect of Wengmeiqing (validamycin) and its mixture on rice sheath blight disease was tested in field.
研究了纹霉清及其复配剂防治水稻纹枯病的防治效果。
2
According to the positive electrical property of imino group in Validamycins molecular in alkaline media, a one-step technology of extraction Validamycin was proposed.