由于缺乏理想的抗源、有效的鉴定方法，致使水稻纹枯病抗性遗传研究相对滞后。
Genetic studies on rice resistance to sheath blight were slow in that ideal resistant resources and effective method to identify resistance to rice sheath blight were short.
玉米纹枯病抗性主要受细胞核遗传控制，一般不受细胞质效应的影响，但有的组合可能受细胞质效应的影响。
Resistance to corn sheath blight is primarily controlled by cell nucleus, generally not affected by cytoplasm effect, but some combinations may be suffered by the cytoplasm effect.
由此说明离体筛选的水稻抗纹枯病突变体的抗病机制与一般抗性品种类似。
These results suggested that in vitro screened rice somatic mutants resistant to sheath blight had the similar resistant mechanism as general resistant varieties.
采用人工接种和酶活性测定的方法，研究转入几丁质酶基因等1～4个抗真菌基因的13个转基因水稻株系对纹枯病的抗性和几丁质酶活性变化规律。
The research was conducted to reveal the regular of resistance to sheath blight and chitinase activities of 13 transgenic rice lines which modified by chitinase gene and other anti-fungal genes.
表明水稻对纹枯病的抗性是可遗传的性状，对抗性的选择有效。
The results supported that rice resistance to sheath blight was a hereditable character and selection to resistance was effective.
因此，以立枯丝核菌粗毒素处理水稻种子和幼苗可初步鉴定品种对纹枯病的抗性。
The inoculation tests showed that all isolates of R. solani and R. cerealis and their crude toxins had virulence on the plants of rice, maize and wheat.
因此，以立枯丝核菌粗毒素处理水稻种子和幼苗可初步鉴定品种对纹枯病的抗性。
The inoculation tests showed that all isolates of R. solani and R. cerealis and their crude toxins had virulence on the plants of rice, maize and wheat.
应用推荐