1.A temperature of 121°C is regarded as the minimum necessary to achieve sterility.
一般认为要做到无菌,温度起码必须达到121 摄氏度。
2.Male-sterility mainly results from the abnormality of mesospore,tapetum tissue and vascular bundle.
中层、绒毡层药隔维管束异常均是败育的因素。
3.The approaches for decreasing the gene flow include chloroplast transformation, pollen sterility, seed sterility, cleistogamy, apomixis, temporal control, and transgenic mitigation .
目前降低外源基因扩散的方法主要有叶绿体转化、粉育、子育、花受精、融合生殖、时控制转基因缓和等。
4.Conclusion Celioscopy takes an imprtant role in the diagnosis and the therapy of sterility, and therefore acts as a routine method to female sterility.
结论腹腔镜术在女孕症的诊治中具有其他技术能替代的重要价值,应作为女孕症诊治中的一种常规方法。
5.In order to analysis the genetic characteristic of male sterility, test cross, sister cross, back cross, reciprocal cross and self-pollination were conducted with these male sterule plants.