on plants of commercial interests such as fruits, vegetables, and flowers. In our preliminary
experimental results, the methanol extracts of four species of medicinal plants Melaphis
chinensis, Eugenia caryophyllata, Polygonum cuspidatum, and Rheum officinale possessed
antifungal activity to causal agent of cabbage anthracnose, Colletotrichum higginsianum.
Thus it was conducted to identify and quantify the chemical constituents in these herbs and …