利用光学和电子显微镜对玉米C型胞质雄性不育系和保持系的花药与小孢子发育过程进行对比观察。
The development processes of anthers and microspores of C-cytoplasmic male-sterile lines and its maintainers in corn were observed and compared by the light and the electron microscope.
分析了甘兰型油菜细胞质雄性不育系陕2a与保持系陕2B的酯酶和过氧化物酶同工酶特征。
The peroxidase and esterase isoenzyme patterns of cytoplasmic male line Shaan 2a and fertile line Shaan 2b in Brassica napus L. were studied.
对灯笼红萝卜雄性不育系及其保持系不同个体发育过程中的碳水化合物含量、淀粉酶活性、可溶性蛋白质含量及游离脯氨酸含量进行研究。
The contents of carbohydrate, soluble protein, free proline and the amylase activity were studied in male sterile line and maintainer line in Denglonghong radish during different growth period.
结果表明，干物质重量雄性不育系花蕾和雄蕊显著小于保持系，而雌蕊则明显大于保持系。大多数不育系雌雄蕊的发育曲线存在拐点，它们出现拐点的时期相同，但方向完全相反。
The statistic result indicated that the dry weight of buds and stamens of male sterile lines in B. napus L. are much smaller than the control group while the pistils are much larger.
对改良型萝卜胞质大白菜雄性不育系及其保持系的游离氨基酸、糖、激素和叶绿素含量进行了比较研究。
Contents of free amino acids, sugars, phytohormones, chlorophyll were compared between cold-tolerant OguraCMS Chinese cabbage lines and their maintainers.
对改良型萝卜胞质大白菜雄性不育系及其保持系的游离氨基酸、糖、激素和叶绿素含量进行了比较研究。
Contents of free amino acids, sugars, phytohormones, chlorophyll were compared between cold-tolerant OguraCMS Chinese cabbage lines and their maintainers.
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