同时对12个具有不同抗性水平的水稻品种苗期的抗性表现进行了遗传型稳定性分析。
Stability of resistance of 12 rice varieties with different resistant levels in seedling stage was studied.
研究了12个不同抗性水平的烟草品种接种黄瓜花叶病毒前后过氧化氢酶活性的动态变化及其与烟草抗病性的关系。
The change of catalase activity in 12 tobacco cultivars with different resistances after inoculating cucumber Mosaic virus and its relationship with tobacco resistance were studied.
各表现型的分布频率随各地区用药历史和水平的不同而变化，并与抗性监测结果相一致。
The frequency distribution of the resistance-phenotype in different regions is varied with the (history) and level of fungicide use, and was consistent with the result of resistance monitoring.
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