植物性杀菌剂经不断研究，目前已发现许多植物具有杀真菌、细菌和钝化病毒的作用，并正在进一步开发、利用，希望能得到高效、优质、经济的新一类杀菌剂。 Plant fungicides have been continuously studied. At present, many plants have been found to have fungicidal, bacteriological and passiviral functions and are being further developed and utilized in the hope of obtaining a new class of fungicides of high efficiency, high quality and economy.