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plant-type structure
相关语句
  株型结构
     STUDY ON PLANT-TYPE STRUCTURE IN RAPESEED AND ITS IDEOTYPE──Ⅰ. A COMPARSION OF PLANT-TYPE STRUCTURE BETWEEN NORMAL AND APETALOUS RAPESEED(BRASSICA NAPUS L. )
     油菜株型结构及其理想型研究──Ⅰ.有、无花瓣油菜原型结构比较
短句来源
     Investigation and analysis of the plant-type structure for a two-line super hybrid rice Yueza 122,at seedling,highly tillering,secondary branch primordial differentiation,heading,and ripening stages,showed that Yueza 122 had obviously vegetative growth advance over the standard variety Peiza 67 at both early and intermediate developmental stages,characteristic of better seedling quality,faster leaf growth,more tillers,longer and narrower functional leaves,larger open angle of leaves and larger leaf area space.
     对两系法超级杂交稻粤杂122苗期、分蘖盛期、第二次枝梗原基分化期、抽穗期、成熟期的株型结构进行调查分析表明,粤杂122与对照培杂67比较,生育前、中期具有明显的生长优势,表现秧苗素质好,植株生长迅速,出叶速度快,分蘖优势强,功能叶叶片较长且窄,叶片开张角较大、叶面积空间较大;
短句来源
     Therefore,the above-mentioned morphological characters can be considered as the feature of plant-type structure for two-line super hybrid rice and used in rice breeding and cultivation practice and the character value of plant-type structure of Yueza 122 at different developmental stages can be taken as reference index of selection or elimilation of morphological characters and population structure control in the dynamic plant-type structure breeding and cultivation practice of two-line super hybrid rice in South China.
     认为上述形态性状可作为两系法超级杂交稻的株型结构特征,在育种和栽培实践中加以应用; 粤杂122不同生育时期株型结构的性状值可作为华南两系超级杂交稻动态株型结构育种与栽培实践中,不同生育期形态性状选汰以及群体结构调控的参考指标。
短句来源
     In this paper,the problems of plant-type structure of super-high-yeild genotype in wheat were discussed from three aspects of plant-type structure in wheat,plant-type structure of super-high-yield genotype present and it,s improvement strategy.
     从小麦的株型结构、目前超高产小麦基因型的株型结构和超高产基因型株型结构改良的策略3个方面,对小麦超高产基因型的株型结构问题进行了讨论。
短句来源
  相似匹配句对
     Plant Construction
     设备施工
短句来源
     Plant regeneration from I.
     首次从I.
短句来源
     Research on the N-fixation of Plant
     菊花·月季·香石竹联合固氮细菌固氮酶特性的研究
短句来源
     Plant Resistance and Structure
     植物抗性结构研究进展
     Plant-Insect Interaction
     植物和昆虫相互关系
短句来源
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The changings of the features of plant-type structure (PTS) during the period of begining-to post-flowering and its effects on PTS at mature time were investigated in normal and apetalous rapeseed (B. napus). Results showed that photosynthesis active areas was gradually moving to upper from lower part of plants of both normal Petal and apetalous rapeseed during begining to post-flowering. As a result, the accumulating and distribution region of photosynthesis products in the plants changed to the upper...

The changings of the features of plant-type structure (PTS) during the period of begining-to post-flowering and its effects on PTS at mature time were investigated in normal and apetalous rapeseed (B. napus). Results showed that photosynthesis active areas was gradually moving to upper from lower part of plants of both normal Petal and apetalous rapeseed during begining to post-flowering. As a result, the accumulating and distribution region of photosynthesis products in the plants changed to the upper part from lower. At pet-flowering, the majority of the photosynthesis active areas was green pods and most of the photosynthesis products was distributed to embryoes mainly for seeds developing. At full-flowering,the lower part of apetalous rapeseed plants could receive plenty of sunlightspenetrted from the top due to Petals missing, which may benefit the coddle and lower parts of the plants to promote and accumulate more photosynthesis products. So a big plant was developed with lower branching point, more branches, more pods and a thick layer of preset for apetalous rapeseed. While most of branches emerged on lower part of normal petal rapeseed plants were degenerated resulting from sunlight insufficiency which caused by Petal absorbtion and renection. As a result, less branches, less pods and a relatively small plant characterized by higher branching point and a relatively small plant characterized by higher branching POint and a thiner layer of pod-set developed for "Ningyou No. 7". The quality of plant-type was discussed also in this paper.

采用田间试验方法研究有、无花瓣油菜花期前后的株型演变及其与成熟期株型结构的关系。结果表明,无花瓣油菜花期缺少花瓣,植株中、下部受光充足,光合产物多,形成低分枝、多分枝、结角层厚、角果多的大株型。有花瓣品种宁油7号花瓣影响透光,下部分枝退化多,形成高分枝、少分枝、结角层薄、角果少而集中的较小株型。还研究了株型质量问题。

The changing of plant type structure of normal variety and apetalous near isogenic line during the period of begining to post flowering and the distribution of photosynthesis products at flowering time were studied in rapeseed ( Brassica napus L.) by field trial and isotope ( 14 C) tracing. Results showed that apetalous character promoted the growth and development of branches and pods set on the middle and low part of the plant, and advantages to increase the green surface of branch and pod....

The changing of plant type structure of normal variety and apetalous near isogenic line during the period of begining to post flowering and the distribution of photosynthesis products at flowering time were studied in rapeseed ( Brassica napus L.) by field trial and isotope ( 14 C) tracing. Results showed that apetalous character promoted the growth and development of branches and pods set on the middle and low part of the plant, and advantages to increase the green surface of branch and pod. As a result, these branch could bear more pods and seeds, and the pod quality was much improved. the results from 14 C tracing also proved that apetalous character was benefit for transporting more photosynthesis products to the branches and pods of low storey. So apetalous can be used as an effective character for establishing ideotype in rapeseed breeding.

采用田间试验方法和14C示踪技术研究有、无花瓣油菜近等基因系花期前后的株型演变及花期同化产物的运转分配。结果表明,无花瓣性状促进了中下层分枝和角果的发育,有利于增大分枝茎皮面积和角果皮面积,促进中下结角层多结角果和籽粒,并提高下层角果的质量,14C示踪也证明无花瓣性状促使花期同化产物向下部分枝和角果运转。无花瓣性状可用于构建油菜理想株型。

In this paper, high yielding cotton variety Simian 3 was used, as a typical representative and to be compared with Sumian 5.The plant type formation were studied so as to offer several internal and external reference indications for breeding new varieties. The main results obtained were as follows: high yielding varieties were characterized on plant type structure by such characteristics as moderate plant height, uniform distribution of inter node length on the main stem and fruiting branches, relatively...

In this paper, high yielding cotton variety Simian 3 was used, as a typical representative and to be compared with Sumian 5.The plant type formation were studied so as to offer several internal and external reference indications for breeding new varieties. The main results obtained were as follows: high yielding varieties were characterized on plant type structure by such characteristics as moderate plant height, uniform distribution of inter node length on the main stem and fruiting branches, relatively longer than that of the length of first inter node,and week growth vigor on the horizontal direction; the angles between main stem and fruiting branches with a tendency of becoming small gradually, plant of pyramid type; leaves relatively small and with a large angle between leaf and the horizontal surface,uniform distribution of leaf layers, plant type not too compact, lower extinction coefficient. All these characteristics are beneficial to improving the photo conditions in the internal part of the plant and raising photosynthetic efficiency.

以泗棉 3号作为近期育成的棉花高产品种的典型代表 ,与苏棉 5号进行比较 ,研究高产品种的株型形成特点。其主要结果为 ,高产品种在株型结构上表现为植株有适当的高度 ,主茎及果枝节间长度分布均匀 ,第一果节间较长 ,横向生长势弱。果枝与主茎夹角由下向上呈逐渐变小趋势 ,植株为塔型。叶片较小 ,且与水平面夹角大 ,叶层分布均匀 ,株型疏朗 ,消光系数小 ,这样有利于改善植株内部的光照条件 ,提高光合效能

 
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