The utilization of Rice cultivars of blast resistance and the use of chemical pesticides are still the effective measures to control rice blast, however, the toxicity of rice cultivars of blast resistance and drug resistance of pathogens are restrict the production of rice cultivars of blast resistance and chemical pesticides, therefore, the research and development of biopesticide are urgency for sustainable development of rice. Plant-source pesticides is one kind of important biopesticide with low-toxic a...