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林木育种     
相关语句
  forest tree breeding
     The Thinking of the Development of Forest Tree Breeding Work in Fujian Province
     发展福建省林木育种工作的思考
短句来源
     FOREST TREE BREEDING REGIONALIZATION ON THE BASIS OF ECOLOGICAL GRADIENT AXIS(EGA)
     生态梯度轴(EGA)区划林木育种区的研究
短句来源
     This paper looked back on the advance situation of forest tree breeding work at bome
     本文回顾了国内林木育种工作的进展情况,介绍了林业发达国家林木育种的特点,并对福建省林木育种工作提出建议。
短句来源
     The Efficiency of Three Experimental Designs for Forest Tree Breeding
     林木育种试验设计效率分析
短句来源
     Analysis on Research Literature of Forest Tree Breeding
     林木育种研究文献分析
短句来源
更多       
  tree breeding
     Tree Breeding Studies and Latest Achievement in Japan
     日本林木育种研究与最近的成果——以日本林木育种中心为主
短句来源
     The Thinking of the Development of Forest Tree Breeding Work in Fujian Province
     发展福建省林木育种工作的思考
短句来源
     FOREST TREE BREEDING REGIONALIZATION ON THE BASIS OF ECOLOGICAL GRADIENT AXIS(EGA)
     生态梯度轴(EGA)区划林木育种区的研究
短句来源
     It is important for traditional tree breeding to utilize the existing natural genetic variation of tree species, the target traits were improved by selection.
     常规林木育种最重要的途径是利用树种现有的自然遗传变异以及利用育种手段创造遗传变异 ,通过选择获得优良品种 ,使目的性状在遗传上得到改良。
短句来源
     Future tree breeding will also integrate economic factors into the breeding objectives.
     未来林木育种策略和育种目标将会把育种成本等经济因素考虑在内 ,根据育种项目的经济效果来确定育种方法。
短句来源
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  forest breeding
     Radioactive breeding and its application prospect in forest breeding
     辐射育种及其在林木育种中的应用前景
短句来源
     At the same time ,with the prospect for forest breeding,the main research directions of Jiangxi's forest breeding in the next twenty years were suggested.
     同时展望了林木育种的发展前景,提出了江西省林木育种工作近一二十年的主要研究方向。
短句来源
     This paper briefly introduces the course of forest breeding, executing institutes, main breeding items (new varieties breeding for production, genetic resources conservation and overseas technical cooperation), breeding achievements and future expectation for forest breeding in Japan.
     介绍了日本的林木育种简要历程、林木育种机构、林木育种事业的三大内容 (新品种培育、森林遗传资源保存和海外技术合作 )、育种成果及对未来育种的期待
短句来源
     Finally, the whole county was divided into 10 forest tree breeding region groups which were further subdevided into 97 breeding regions, 74 sub regions, and 31 forest tree breeding basic regions for arranging the forest breeding trials.
     最终将全国区划为10个林木育种大区,31个基本区,97个育种区和74个(A级)亚区
短句来源
     Forest Breeding in Japan
     日本的林木育种事业
短句来源
更多       
  forest genetics
     As an useful tool of forest tree breeding and gene transfer,genetic linkage map gives new development to the study of forest genetics and forest tree breeding,and also makes early selection of forest tree possible.
     首先,遗传图谱的构建,是林木育种和基因转移的有利工具,使森林遗传学和林木育种学研究产生了新的飞跃,还为林木早期选择,提高选择效果,缩短选育周期提供了可能;
短句来源

 

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  forest tree breeding
According to genetic variation parameters, three out of six populations (Akdagmadeni-Yozgat, Refahiye-Erzincan and Vezirkopru-Samsun) appear to be preferable populations for genetic conservation and forest tree breeding programs.
      
Natural populations are currently the basic material for studying forest tree breeding, but little is known on the genotypic spatial structures in these stands.
      
The long generation intervals and economic uncertainty that surround forest tree breeding can make the choice of weights arbitrary.
      
Simultaneous improvement of several, and often negatively correlated, traits is frequently a desired objective in forest tree breeding.
      
The implications of frequency-dependent RS for forest tree breeding are discussed.
      
更多          
  tree breeding
According to genetic variation parameters, three out of six populations (Akdagmadeni-Yozgat, Refahiye-Erzincan and Vezirkopru-Samsun) appear to be preferable populations for genetic conservation and forest tree breeding programs.
      
Work on tree breeding is usually carried out by silviculturalists who, not surprisingly, rarely consider the insect component of the environment in which the treess are growing.
      
This work does not offer definitive solutions but explores a number of approaches that could be utilised as a selection tool in tree breeding for better product performance of radiata lumber.
      
Thus, acoustic methods have applications in tree breeding, harvesting, and wood processing.
      
This report deals with the goals and partial results of willow tree breeding experiments carried out by the Institut für Forstpflanzenzüchtung Graupa in 1959-1965.
      
更多          
  forest breeding
Higher temporal variability of forest breeding bird communities in fragmented landscapes.
      
Independent effects of forest cover and fragmentation on the distribution of forest breeding birds.
      
Some achievements on biological control, forest breeding and artificial raising of long-horned beetle have been accomplished.
      
This resulted in 30 rare species of forest breeding birds and 12 rare species of butterflies.
      
The model was applied in two data sets of forest breeding birds and butterflies.
      
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