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reproduction characters
相关语句
  生殖特性
     Study on reproduction characters and constitute of seed yields of turf-type Lolium Perenne L.
     草坪型多年生黑麦草生殖特性及种子产量构成的研究
短句来源
     According to investigation and measurement by a large amount of sampling on the afon tufts and random sampling in the normal spilies in the single donimant community,reproduction characters of Puccinellia chinampoensis in alkalized meadow in the Songnen Plain of China were quantitatively analysed in this paper.
     通过对朝鲜碱茅单化群落独立株丛的大样本取样和对正常花序随机取样的调查与测定,定量分析了松嫩平原碱化草甸朝鲜碱茅种群的生殖特性
短句来源
  “reproduction characters”译为未确定词的双语例句
     Quantitative Analysis on Reproduction Characters of Puccinellia Chinampoensis Populatioa in Alkalized Meadow in the Songnen Plain of China
     松嫩平原碱化草甸朝鲜碱茅种群生殖特性的定量分析
短句来源
     The study was conducted to thoroughly research on the reproduction characters and technologies of seed production of zoysiagrass (Zoysia japonica Stoud.)
     本研究是2001~2003年在结缕草(Zoysia japonica Steud.)
短句来源
     This paper studied on the morphocytological characters of the Euglena sp.with microscope And scanning electron microscope. Spiral string marking and reproduction characters of Euglena was also Discussed.
     本文采用显微和超微技术方法研究了一种水华裸藻(EugLenasp)的细胞形态学特征,同时还对藻体表面线纹结构特征对于裸藻属种间分类研究的意义及这种裸藻的繁殖方式进行了探讨.
短句来源
     The variation of reproductive performance could be caused by management, drafting, season, environment, photo periods, growth, and other ecological factors, the puberty, maturity, estrous, estrous time, ovulation and insemination time of female Jinnan cattle were investigated to master the reproduction characters
     由于饲养管理、使役程度、生长发育、饲养环境、季节变化及光照时间等自然生态条件的影响 ,母牛的发情也有差异。 为了正确掌握母牛繁殖规律 ,对晋南母牛的初情与性成熟、发情表现、发情持续期、排卵时间及适时输精进行了研究探讨。
短句来源
  相似匹配句对
     Srudies on Quantitative Characters of Sexual Reproduction and Specifity of Vegetative
     松嫩平原碱化草甸獐毛种群有性生殖的数量特征及营养繁殖特性的研究
短句来源
     On the culture of female reproduction worship contained in Chinese Characters
     试论汉字蕴涵的女性生殖崇拜文化
短句来源
     On Reproduction Right
     论复制权
短句来源
     Osteopontin and Reproduction
     骨桥蛋白与生殖
短句来源
     The Characters of Context
     试论语境的特征
短句来源
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According to investigation and measurement by a large amount of sampling on the afon tufts and random sampling in the normal spilies in the single donimant community,reproduction characters of Puccinellia chinampoensis in alkalized meadow in the Songnen Plain of China were quantitatively analysed in this paper. There were obvious regularities between the quantitative characters on vegrtative propagation of the population. There was a positive linear correlation between the number of plants per toft,the...

According to investigation and measurement by a large amount of sampling on the afon tufts and random sampling in the normal spilies in the single donimant community,reproduction characters of Puccinellia chinampoensis in alkalized meadow in the Songnen Plain of China were quantitatively analysed in this paper. There were obvious regularities between the quantitative characters on vegrtative propagation of the population. There was a positive linear correlation between the number of plants per toft,the above -ground biomass Per tuft,the number of sexual plants Per tuft,the weight of sexual plants per tuft and the tuft sizes respectively,and between the weight of sexual plants per tuft and the numbers of the tuft sizes.There was more orderliness in the all process of growing and developing of the PoPulation. The regularities showed that the number of spikelets each nede of conical spikes were Gamma distribution The numbers of florets each node of the spikes were Logistic curvs decrease along with node-order number increase. Both the spikelets and the norets was a Y =ae[-b/x] exponential growth of saturated curves along with node -order number increase in different spikes of number.

通过对朝鲜碱茅单化群落独立株丛的大样本取样和对正常花序随机取样的调查与测定,定量分析了松嫩平原碱化草甸朝鲜碱茅种群的生殖特性。朝鲜碱茅种群话营养繁殖数量性状之间有较强的规律性。丛分蘖数、丛地上生物量、丛生殖枝数和丛生殖技重分别与丛径之间,以及丛生殖枝重与丛生殖枝数之间均为线性正相关,丛生物量随着丛分蘖数的增加呈幂函数增加。朝鲜碱茅种群在整个生殖生长发育过程中具有较强的有序性。圆锥花序各节位上的小穗数量呈伽玛分布。各节位上的小花数量随着节位的增高呈Logistic曲线形式减少。小穗数和小花数均随着节位的增加呈y=ae(-b/x)饱和型指数曲线形式累积增长。

This paper studied on the morphocytological characters of the Euglena sp.with microscope And scanning electron microscope. Spiral string marking and reproduction characters of Euglena was also Discussed.

本文采用显微和超微技术方法研究了一种水华裸藻(EugLenasp)的细胞形态学特征,同时还对藻体表面线纹结构特征对于裸藻属种间分类研究的意义及这种裸藻的繁殖方式进行了探讨.

Canadian Rambler alfalfa cultivar was introduced from Saskatchewan of Canada to Grass-land Research Institute of Chinese Academy of Agricultural Sciences in 1972. After improved and devel-oped for several years, it was registered by the Chinese Herbage Cultivar Registraion Board as a new cul-tivar in 1987. Through field trial and laboratory analysis, we found that genetic variation between two culti-vars by use of total 45 plants for each cultivar to evaluate the morphological, physiological and biochemicalcharacters...

Canadian Rambler alfalfa cultivar was introduced from Saskatchewan of Canada to Grass-land Research Institute of Chinese Academy of Agricultural Sciences in 1972. After improved and devel-oped for several years, it was registered by the Chinese Herbage Cultivar Registraion Board as a new cul-tivar in 1987. Through field trial and laboratory analysis, we found that genetic variation between two culti-vars by use of total 45 plants for each cultivar to evaluate the morphological, physiological and biochemicalcharacters including allelic frequency of 8 allele in 3 polymorphic loci, 5 growth characters, 5 leafcharaters, reproduction characters and fall - dormancy. The genetic distance is 0.038 between two culti-vars through the using of PCA(principal components analysis). The gene differentation coefficient(GDC)was 0.021 of Chinese Rambler alfalfa should be a new maerial germplasm in alfalfa pool of China.

加拿大润布勒首猪于1972年自加拿大萨斯喀切省引进中国农业科学院草原研究所,经过试种栽培后,于1987年经全国牧草品种审定委员会审定通过登记为国外引进前精品种,后简称中国润布勒苜蓿。本研究探讨了加拿大润布勒首清引进中国后15年间的遗传变异。以加拿大润布勒苜蓿原种和在中国繁殖的润布勒苗辖两份材料各45株,用以测定形态特征。生理和生化特征,其中包括等位基因酶FEST(荧光脂酶)、LAP(亮氨酸氨基肽酶)、PER(过氧化物酶)三个多态位点九个等位基因频率、五个生长特性、五个叶片特性、两个繁殖器官特征、两个生理特性。等位基因频率用以统计基因型分布频率和基因变异。用PCA排序法分析总遗传变量。结果表明,加拿大和中国润布勒首辖之间的遗传距离为0.038,两个种群间的基因分化系数为0.021,后者首信遗传杂交度高于前者。加拿大润布勒首精引进中国后已经成为中国首措有价值的遗传资源。

 
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