The discovery and study of apetalous sterility mutant in Brassica napus l.
甘蓝型油菜无花瓣品系雄蕊雌化不育系的发现和遗传研究。
Study on breeding potential of sclerotinose resistance in Brassica napus L.
甘蓝型油菜对菌核病抗耐病性的育种潜力研究。
Heterosis and segregation on agronomic and yield traits in brassica napus l.
甘蓝型油菜主要农艺和产量性状的杂种优势及其分离世代的分析。
Breeding and its culture technique of double lower hybrid Shaanyou No. 8 in Brassica napus l.
双低油菜新品种陕油8号及其栽培技术。
Anthers from 20 genotypes of artificially synthesized Brassica napus L. were cultured in vitro.
对20个基因型的人工合成甘蓝型油菜进行了花药培养。
Microsporogenesis Comparison of Genetic Male Sterility Line and Its Allele Fertile Line in Brassica napus l.
油菜雄性核不育系及其等位可育系小孢子发育过程的比较研究。
Studies on the morphology of the flowers and cytology of the anther development of a DGCMS line in Brassica napus l.
一个甘蓝型油菜DGCMS雄性不育系的花器形态及细胞学研究。
Key findings are as follows: 1. Selfing had significant impacts on the main economic characters of Brassica napus l.
主要研究结果如下：1。自交对甘蓝型油菜主要经济性状有显著影响。
The peroxidase and esterase isoenzyme patterns of cytoplasmic male line Shaan 2a and fertile line Shaan 2b in Brassica napus L. were studied.
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。
Heterosis of seed yield and its components of 66 crosses, from a diallel cross design of 12 parental varieties of Brassica napus L. were studied.
应用双列杂交设计，研究了遗传来源不同的12个甘蓝型油菜品种间66个双列组合的单株籽粒产量及产量性状的杂种优势。
Oilseed rape (Brassica napus L.), whose seed color usually includes yellow, brown and black, is one of the most important oilseed crops in the world.
甘蓝型油菜是世界上最重要的油料作物之一，其籽粒色泽包括黄色、褐色、黑色等。
This study was aimed at comparing the calcium uptake, distribution and translocation in rape ( Brassica napus L. ) cultivars with different boron use efficiencies.
在土培条件下，研究了不同硼利用效率甘蓝型油菜钙的吸收、分配和钙硼比值。
By solution culture, the effects of boron b on Glucose-6-phosphate dehydrogenase G-6-PDHase activity and the soluble sugar in leaves of rape cultivars Brassica napus l.
通过营养液培养试验，研究了硼对不同硼效率甘蓝型油菜品种叶片6 -磷酸葡萄糖脱氢酶(G - 6 - PD Hase)活性和可溶性糖含量的影响。
White-petal rapeseed (Brassica napus L. ) and its segregation population were used as the experiment materials to study the genetic law of white-petal traits in Brassical napus L…
本研究以甘蓝型白花油菜及其分离群体为材料，对甘蓝型油菜白花性状的遗传规律进行了研究；
The methods of sampling estimation data and amalgamating yield estimation were introduced to estimate theory yield of zhongshuang 4 and Huaza 6 of Brassica napus L. in this paper .
采用取样测数法和合并测产法分别对中双4号、华杂6号甘篮型油菜产量进行了测定。
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.
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。
B5 as basic medium appended with different concentrations of sucrose, AGAR and different hormone combinations was used to optimize the culture technique for DH line in Brassica napus l.
以B5培养基为基础培养基，添加不同浓度的蔗糖、琼脂及不同激素组合进行试验，对油菜DH系的组培技术进行优化。
The effects of successive inbreeding progenies of Brassica napus L. on the embryo development were studied in comparison with the open-pollinated population and hybrids from inbred lines.
以自由授粉群体和品系间杂种为对照，研究了甘蓝型油菜连续自交后代在胚胎发育上表现的效应。
Genotypic differences of phosphorus(P) efficiency among 194 Brassica napus L. cultivars were investigated under pot culture in acid soil with a method of two step screening typical cultivars.
采用两步筛选法（即苗期干物质筛选和全生育期产量筛选）在酸性黄棕壤上对194个甘蓝型油菜品种进行了磷效率的筛选。
Brassica napus L. is an often cross-pollinated plant, and is not generally considered selfing recession, but it was little reported about effects of selfing on main traits of Brassica napus L.
甘蓝型油菜属于常异花授粉植物，一般认为自交不会产生衰退现象，但多代连续自交对甘蓝型油菜究竟有何影响鲜见报道。
There occurs pollen abortion during the stage from tetrad to single nucleus pollen grain of cytoplasmic male-sterile line in Brassica napus Var. oleifera(Raphanus sativus L. ).
甘兰型油菜萝卜细胞质雄性不育系的花粉败育发生在四分体至单核花粉粒阶段。
There occurs pollen abortion during the stage from tetrad to single nucleus pollen grain of cytoplasmic male-sterile line in Brassica napus Var. oleifera(Raphanus sativus L. ).
甘兰型油菜萝卜细胞质雄性不育系的花粉败育发生在四分体至单核花粉粒阶段。
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