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.
不同抗感品种在田间不同重复鉴定中均表现不同程度的抗幅波动，但都有一个相对稳定的抗性水平。
The tested varieties showed different resistance degree in different replications, but had one stable resistant level relatively.
消化器对有机质负荷率的波动具有良好的抗性，但所处的有机质负荷率水平不同，抗性各异；
The digester has a good resistance to fluctuation of organic loading rate and on different organic loading rate levels, however, the resistance is different.
灭多威及硫丹抗性种群随抗性水平的提高，其生命力及繁殖力表现不同程度的降低。
The vitalities and reproductivities of methomyl and endosulfan resistant populations decreased to some extent with the increase of resistant level.
灭多威及硫丹抗性种群随抗性水平的提高，其生命力及繁殖力表现不同程度的降低。
The vitalities and reproductivities of methomyl and endosulfan resistant populations decreased to some extent with the increase of resistant level.
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