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- Male sterility:The inability of the male to fertilise the ovum. (植物)雄性不育:植物雄性花粉不具有授粉能力。
- These abnormal mitochondria and vacuoles may be associated with the death of microspore mother cell which leads to the male sterility in cotton. 线粒体和液泡结构异常可能是小孢子母细胞死亡造成雄性不育的细胞形态学特征。
- Therefore the abnormal increase of RNase vitality is closely related with the male sterility in rapeseed (Brassica napus L.). 认为核糖核酸酶活力异常增强与甘蓝型油菜雄性不育有密切关系。
- These differences show that choosing the male sterility type as parent materials can ensure the hybridism rate to be over 95%. 这一结果表明,选用柱头外露棉花药败育类型作杂交棉亲本材料,就可保证杂交率在95%25以上。
- Testcross results showed that 9 of 46 normal plants in RS2 and 2 of 3 plants in RS3 had the capacity to completely restore the male sterility of A-lines with T. limopheevi cytoplasm. 测交结果表明;来自RS2群体的46株和RS3的13株正常单株中;分别有9株和2株能完全恢复T型不育胞质引起的雄性不育.
- To the male sterility, the male reproductive system maldevelopment, the deformity tidy up the deep attainments, publishes paper 10 successively in the domestic related medicine magazine. 对男性不育,男性生殖系统发育不良、畸型整容较深造诣,先后在国内相关医学杂志发表论文10余篇。
- The male voice is deeper than the female. 男性的嗓音比女性的低沉。
- The male is physically stronger than the female. 男性在身体上要比女性强壮。
- Is this behaviour typical of the male sex? 这种行为是雄性特有的吗?
- The male and female genders are equal. 男性和女性是平等的。
- The male sperm fertilizes the female egg. 雄性的精子使雌性的卵子受精。
- Abstract: The male sterility fluctuation of photo-thermo-sensitive genic male sterile (PTGMS) lines under low temperature is an important problem troubling two-line system hybrid rice. 文摘:光温敏核不育系的不育性受温度影响而波动是困扰两系法杂交水稻的一个重要问题,就怎样解决这一问题提出了看法。
- The male sterile flowers were characterized by shortened stamens and shrivelled anthers adhering to the surface of the pistil. 雄性不孕花表现雄蕊花丝不伸长,花药萎缩而呈黄褐色。
- The male hunts for food while his mate guards the nest. 雌性动物守巢时,雄性动物猎食。
- It was suggested accordingly that NJ89 1 might be a new male sterile mutant in soybeans and the male sterile gene symbol of NJ89 1 is assigned as ms 0 . 因此 NJ89- 1很可能是一个新雄性不育突变体 ,其雄性不育基因符号命名为 ms0 。
- The ratios of the sterile plants with the fertile plants in their F1, F2 generations, and their reciprocal backcross generations with the male sterile plants were calculated. 同时,以具有正常细胞质的自交系为母本,育性完全恢复的测交F1植株为父本进行反交,对其反交的F1及F2进行育性观察分析。
- Yuan Longping, despite difficulties, he believed that the male sterile line of the original parent, is a natural mutation of the male sterile line, but also in nature. 袁隆平知难而进,他认为,雄性不育系的原始亲本,是一株自然突变的雄性不育株,也能天然存在。
- But the male sterile trait is easy to be influenced by unpredicted low temperature during its fertility sensitive stage, it decrease seed purity of hybrid rice and lim. 但是,光温敏核不育系在敏感期内若遇上低温天气则会发生育性恢复而自交结实,从而使制种的纯度降低,严重制约了两系法杂交水稻的发展。
- The male's orange beak differentiates it from the female. 那种鸟雄鸟的喙呈橙色,与雌鸟不同。
- The female is generally drab, the male per contra brilliant. 一般来说雌性是黄褐色的,而雄性是色彩鲜明的。