COMPOSITION FOR CONTROLLING PLANT VIRUSES

From the paper

Abstract

A composition for controlling plant viruses is provided to prevent plant virus infection and show no toxicity and excellent effect on various plant viruses due to be derived from natural materials, thereby being usefully used as an agent for controlling the plant viruses. A composition for controlling plant viruses comprises 10-90 wt.% of an extract of Phellinus Linteus hypha, 10-90 wt.% of Diospyros kaki fruit, 10-90 wt.% of an extract of Quercus acutissima fruit, and 10-90 wt.% of an extract of Dryopteris crassirhizoma rhizome, wherein each of the extract is prepared by using a polar solvent such as water, C1-4 lower alcohol and a mixture solvent thereof. The composition is formulated into a liquid phase agent, a granular agent or a powdery agent.