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- The sterile plant rate of different row-ratio could be controlled about 5%. 不同行比的不育株率可控制在5%25左右。
- Plant height of DSW showed high heritability, while the difference of performance between sterile plant and fertile plant was significant. 结果表明:矮败小麦株高表现出较高的遗传力,但不育株、可育株间株高差异显著,不育株一般40cm左右,且株高遗传变异相对较小。
- The seed-setting rate of inbreed in bagging of the seven sterile line is zero, thg rate of sterile plant and sterile ability is 100%steadily. 这7个不育系的套袋自交结实率均为0,不育株率和不育度均稳定地达到100%25;
- Sterile line9070-28-3-6has a sterile plant rate of100%and normal pistil. The stamen degenerates and hasn't normal pollen. The nectary degenerates,which can not attract honeybee. 不育系9070-28-3-6的不育株率达100%25,不育度近100%25,雄蕊退化,无正常花粉,雌蕊正常,蜜腺退化,蜜蜂不喜欢,自然传粉困难,目前采用人工授粉制种,由9070-28-3-6不育系配制的“特早50天”已在国内生产上大面积应用。
- Some male sterile plants were found in a seed field of the carrot variety "Imperator. 在胡萝卜种株内检查出雄性不孕植株。
- The revertant, when still heterogenous,segregated into male fertile and complete male sterile plants in a ratio of 3:1. 育性基因未纯合的突变体分离出可育株和完全不育株,比例为3:1;
- The fertility of newly found sterile plants “3213A” was studied by cross, reciprocal-cross, selfing and test-cross methods. 以新发现的天然不育株3213A为材料,采用正反交、自交和测交等方法,分析研究其后代的育性分离表现。
- The processes of meiotic division of pollen mother cells were compared between male sterile plants and male fertile ones. 摘要以萝卜雄性不育株与可育株为试材,比较研究了不育与可育花粉母细胞的减数分裂过程。
- As sterile plants of DSW crossed male parents diversified in plant height respectively,fertile plants of progenies showed normal distribution for plant height,but proportion of semidwarfing plants was relatively high. 矮败小麦不育株与不同株高的父本杂交,后代可育株株高呈现偏父正态分布,且半矮秆植株的分离频率相对较高。
- 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。
- The plant was growing at an angle. 植物呈一定角度生长。
- Three indica male sterile lines, K-qing A, K19A, and K17A, have been bred successively by using sterile plants from the progeny of a hybrid cross between japonica and indica as cytoplasmic male sterile (CMS) gene donor. 利用粳籼杂交后代出现的不育株作细胞质雄性不育供体,先后育成了K青A、K19A和K17A等籼型不育系。
- Medical tests showed that he was sterile. 医学检查表明他没有生育能力。
- The plant converts crude oil into gasoline. 这家工厂将原油加工成汽油。
- An operation chamber should be completely sterile. 手术室应该完全无菌。
- Now ordinary repairs can be handled in our plant. 现在一般的修理工作都可在我们厂进行了。
- Plant need water the way they need sun light. 植物需要水就像它们需要阳光一样。
- The soldiers blew up the enemy power plant. 士兵们炸毁了敌人的发电厂。
- The gardener tore up the plant, root and all. 园丁把园中的花草树木连根全挖了出来。
- The indigo plant or the blue dye obtained from it. 假蓝靛靛蓝植物或从这种植物中提取的蓝色染料