同根派生 causal agent相關詞英漢例句Crown rust is the common name both of a serious leaf-rust disease of oats and of the causal agent. 冠銹病是燕麥的一種嚴重的葉銹病和病原菌。Study on Causal Agent, Epidemic Law and Integrated Control Techniques of Turfgrass Brown Patch Disease. 草坪褐斑病病原菌鑒定、流行規(guī)律及其綜合控制技術的研究。Holmes crossed two compatible races of ceratocystis ulmi, the causal agent of Dutch elm disease. 霍姆斯曾把荷蘭榆病害的致病因子，長喙殼的兩個親和小種雜交。It is suggested that, only Pythium myriotylum is the causal agent of the cocoyam root rot disease in Cameroon. 研究結果表明:群結腐霉Pythium myriotylum Drechsler是喀麥隆芋艿根腐病的致病菌。Could you tell me the main causal agents of plant diseases? 你給我講講植物病害的主要病原，好嗎?causal agent更多例句