对粗毒素进行生物活性检测，发现粗毒素在水稻叶片上能形成水稻纹枯病的典型症状，并可抑制水稻种子胚根的生长，致使水稻幼苗失绿萎蔫。
The biological activity assay of the crude toxin showed that it could induce the characteristic symptom of rice sheath blight and inhibit the growth of rice radicle and make the seedling wilting.
用病菌培养滤液对幼苗浸根可使烟草幼苗叶片快速萎蔫，叶缘干缩。
Quick wilting of tobacco seedling was resulted from cultured filtrates by seedling root-soaking. Wilting symptom appeared and leaf margin dried-up.
叶片一旦出现萎蔫病症，过氧化物酶活性急剧上升。
The peroxidase activity rose sharply once the leaves of seedlings became wilted.
枣树幼树叶片的永久萎蔫系数为3.5 %，而枣树大树叶片的永久萎蔫系数应在3%左右。
The permanent wilting coefficient of young jujube trees was 3.5 percent, but that of elder trees was about 3 percent.
采用水蒸气蒸馏法提取黑杨萎蔫叶片具诱虫活性的气味物质，用气相色谱质谱联用技术分离和鉴定活性物质的化学成分。
A report is made of the study of chemical components of the odor with luring activity from withered black poplar leaves.
枣树的萎蔫现象是指果实的萎蔫和叶片的萎蔫。
The wilting phenomenon of jujube just pointed to the fruit wilting and the leaf blade wilting.
枣树的萎蔫现象是指果实的萎蔫和叶片的萎蔫。
The wilting phenomenon of jujube just pointed to the fruit wilting and the leaf blade wilting.
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