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rape brassica napus
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  相似匹配句对
     , rape ( Brassica napus L.)
     、甘蓝油菜(Brassica napus L.)
短句来源
     OBSERVATION ON RAPE APOMIXIS
     油菜无融合生殖现象的观察
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     Rape (Brassica napus L.)
     油菜(Brassica napus L.)
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     On the Offense of Statutory Rape
     对行政法发展的“范式转换论”之商榷
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     Oilseed rape (Brassica napus L.)
     甘蓝型油菜(Brassica napus L.)
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  rape brassica napus
Rape (Brassica napus L.) was shown to be an appropriate sentinel plant, sensitive to phenanthrene, which can be used for testing the efficiency of phenanthrene degradation in soil.
      
The effect of 17-dimethylmorpholinium chloride (17-DMC), a quaternary ammonium salt, on stem growth and productivity of spring rape (Brassica napus L., cv.
      
Physiological mechanisms of two rape (Brassica napus L.) genotype adaptation to chlorine salinity were investigated.
      
Optimal density of spring rape (Brassica napus L.) crop stand was determined by plant photosynthetic characteristics at the beginning of flowering.
      
Triacylglycerol lipase from rape (Brassica napus L.) suitable for biotechnological purposes
      
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The patterns of the differentiation and formation of floral organsin rape(Brassica napus)were observed by using light microscope andscanning electron microscope.On the basis of the morphological changesof the floral buds the differentiation phase can be devided into 8 stagesand 15 sub-stages.The 8 stages are designated as 1.pre-differentiation;2.formation of flower primordia;3.formation of calyx primordial;4. differentiation of stamens and pistil as well as formation of sepals;5.differentiation...

The patterns of the differentiation and formation of floral organsin rape(Brassica napus)were observed by using light microscope andscanning electron microscope.On the basis of the morphological changesof the floral buds the differentiation phase can be devided into 8 stagesand 15 sub-stages.The 8 stages are designated as 1.pre-differentiation;2.formation of flower primordia;3.formation of calyx primordial;4. differentiation of stamens and pistil as well as formation of sepals;5.differentiation of primitive carpels;6.differentiation of petal primordia;7.initial formation of stamens and pistil;and 8.maturity of stamensand pistil.The sequence of the floral bud differentiation in rape is in the foll-owing order:calyx primordium—stamen primordium—pistil primord-ium—petal primordium—nectory primordium.The initial formation of floral organs was closely related to the ageof the leaf.The observation made on 139 seedlings showed that the flo-ral buds on the main stem began to differentiate when the average leafage was 9.8(9~11)days,and the main stem had 23.6(22.9~24.1)leaf blades in total.The time between the differentiation of the floralbuds at the tip of main stem and the maturity of stamens and pistil wasabout 105~120 days.

在光学显微镜、电镜扫描观察中,根据形态上易于分辨的特征,将油菜花芽分化过程划分为八个时期15个阶段。分化的顺序是花萼原基、雄蕊原基、雌蕊原基、花瓣原基和蜜腺原基。主基花芽分化与叶龄数关系密切。上海适期播种的甘蓝型油菜,主茎花芽开始分化时的叶龄数平均为9.8(9~11),主基总叶数(包括叶痕、绿叶及在电镜中能分辨出的叶芽)平均是23.6(22.9~24.1)。自花芽开始分化至雌雄蕊成熟约105~120天。

Four chemical drugs were used to induce the parthenogenesis of rape (Brassica napus Linn.) Each drug was made in different concentrations and solution. When the water solution of kinetinof 0.1% concentration was applied the induction rafe to produce seeds was 4.60%. When the sugar solution of dimethyl sulphoxide of 0.4% concentration was applied, the inductive rate produce seeds was 3.65%. The cytological observation showed that most of the Pa1 were diploid, to only a few were haploid,

本试验采用不同的化学药物,用不同的制剂和方法处理油菜的柱头和子房,诱导卵细胞单性发育.试验表明,0.1%激动素水溶液一次处理和0.4%二甲基亚砜糖溶液重复处理有较好的诱导效果.施少量的硼肥会增强诱效.细胞学检查化诱孤雌生殖的后代,绝大多数是二倍体,极少单倍体.

Restoring ability for Radish-cytoplasm Rape (Brassica napus) male sterile lines was discovered in Vegetable A and its hybrid progenies in March, 1984. From the plants mentioned above 5 complete restorers were screened out during summer propagation in Kunming, Yunnan Province in the same year. This has laid the fundation for obtaining the complete set of the "Three Lines" of Radish-cytoplasm Rape (Brassica napus).

1984年3月,我们从蔬菜a血缘的材料中,找到了萝·甘油A[注]的恢复源;又经同年8月,在昆明夏季繁殖时,筛选出5个全恢复株系。这为萝·甘油A实现“三系”(不育系、保持系、恢复系)配套奠定了基础。这一最先发现,使国内外尚未解决萝·甘油A的恢复源和其杂种缺乏叶绿素问题得到了解决。

 
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