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树木育种
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  tree breeding
     The Rectangular Block Square("RBS")Design and Its Application in the Tree Breeding Ⅱ. The "RBS" Augmented Design
     矩形区组方“RBS”设计及其在树木育种中的应用Ⅱ.“RBS”增广设计
短句来源
     The Rectangular Block Square(“RBS”) Design and Its Application in the Tree Breeding Ⅲ.The Statistic Analysis of Multiple“RBS”Designs
     矩形区组方“RBS”设计及其在树木育种中的应用 Ⅲ.多个“RBS”设计统计分析
短句来源
     The Rectangular Block Square(“RBS”)Design and Its Application in the Tree Breeding IV.The Statistic Analysis of “RBS” NCI Design
     矩形区组方“RBS”设计及其在树木育种中的应用 Ⅳ.“RBS”-NCI设计统计分析
短句来源
     The Matrix Block Square “RBS”Design and Its Application in the Tree Breeding Ⅰ. The Statistical Analysis of Single“RBS”Design
     矩形区组方“RBS”设计及其在树木育种中的应用Ⅰ.单个“RBS”设计统计分析
短句来源
     This paper introduces the mathematical models of variance analysis,the average number effects of treatments,the expected mean square decomposition,the genetic capacity and the genetic variation coefficient estimate values of multiple rectangular block square(“RBS”)designs as well as their application in the tree breeding.
     本文介绍多个矩形区组方“RBS”设计方差分析的数学模型、处理平均数效应、期望均方分解、遗传力及其遗传变异系数估值,以及在树木育种中的应用。
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  forestry tree breeding
     The "DPFB" system is composed of major modules, 20 submodules and more than 50 major programs, which can be used in managing and statistically analy-sising the data on field test of forestry tree breeding.
     “DPFB”系统由五个功能模块、20个子模块和50余个主程序组成,适用于树木育种田间试验的数据管理和统计分析。
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  “树木育种”译为未确定词的双语例句
     THE COMPUTER DATA PROCESSING SYSTEM ON THE FIELD IN FORESTRY BREEDING(DPFB)
     树木育种数据的计算机处理系统(DPFB系统)
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     Crossbreeding as a effective way to cultivate excellent trees variety has been extensively applied on major economic trees breeding.
     杂交育种技术是培育优良树木品种的有效方法,在主要经济树木育种中已得到广泛的应用。
短句来源
     This paper introduces the basic method of the matrix block square "RBS' design. the mathematicalmodel of variance analysis of single "RBS' design. the treatment mean value effect. the expected mean squaredecomposition.
     本文介绍矩形区组方"RBS"设计的基本方法,单个"RBS"设计方差分析的数学模型,处理平均数效应,期望均方分解,遗传力及其遗传变异系数估值,并举例介绍"RBS"在树木育种中的应用。
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  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.
      
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The "DPFB" system is composed of major modules, 20 submodules and more than 50 major programs, which can be used in managing and statistically analy-sising the data on field test of forestry tree breeding.The functions contained in it are: ( 1 )the data file management; ( 2 )variance and covaiance analysis; ( 3 ) regression and correlation analysis; ( 4 )multivariate statistical analysis; ( 5 ) estimating genetics parameter.The softwares are designed into conversational and manual form in Chinese. Many techniques...

The "DPFB" system is composed of major modules, 20 submodules and more than 50 major programs, which can be used in managing and statistically analy-sising the data on field test of forestry tree breeding.The functions contained in it are: ( 1 )the data file management; ( 2 )variance and covaiance analysis; ( 3 ) regression and correlation analysis; ( 4 )multivariate statistical analysis; ( 5 ) estimating genetics parameter.The softwares are designed into conversational and manual form in Chinese. Many techniques like computer-aided design (CAD), overlaying, compilering and optimizing have been applied in the programming.The "DPFB" system has been run over hundred times.The result from a lot of practices shows that, the system has a powerful function and performs satisfactorily both in common use and in suitability, being fast to calculate and easy to operate. The calculating efficiency has been increased over 50-100 times compared with manual calculation.

“DPFB”系统由五个功能模块、20个子模块和50余个主程序组成,适用于树木育种田间试验的数据管理和统计分析。其主要功能有(1)数据处理;(2)方差及协方差分析;(3)回归及相关分析;(4)多元统计分析;(5)遗传参数估算等。软件设计为中文菜单式人机对话形式,应用计算机辅助设计(CAD)、复盖和编译等优化技术。经过上百次实际运行结果表明,此系统功能较全,适用性及通用性均较好,运行速度快,节省内存,容易使用,比常规人工计算提高效率50—100倍。

Repeatability is a measurement of consistency and stability of phenotypic expression for a given genotype under various replication in time and space. It is the ratio of the sum of genetic variance and general environmental variance to the phenotypic variance, usually computed by the technique of analysis of variance. Repeatability is useful in the following cases. 1. sample size determination to achieve a given degree of precision in estimating individual performance, 2. predication of individual performance...

Repeatability is a measurement of consistency and stability of phenotypic expression for a given genotype under various replication in time and space. It is the ratio of the sum of genetic variance and general environmental variance to the phenotypic variance, usually computed by the technique of analysis of variance. Repeatability is useful in the following cases. 1. sample size determination to achieve a given degree of precision in estimating individual performance, 2. predication of individual performance in different environments, and 3. setting upper limit for broad sense heritability in mass selection. The application potentiality of repeatability in tree breeding may exceed that in animal breeding because of the longevity of trees, vast possibilities of vegetative propagation. In this paper, the theoretical development of repeatability will be presented first, followed by two practical applications of olive and white elm

本文从理论上和方法上对重复力进行了探讨,进而以油橄榄选种和白榆无性系对比试验为例,说明了重复力在树木育种中的应用。

In order to carry out the work of larch improvement by step in an effective way, aseries of improving steps have been done, including interspecies selection, provenance selection, stand selection, plus tree selection, cross breeding, progeny test, seed orchards, cutting propagation, early selection and so on. In this paper, it describes and discusses ashort term breeding program of larch in great detail. The results from almost twentyyears experiment demonstrate that: ① This breeding program is a reflection...

In order to carry out the work of larch improvement by step in an effective way, aseries of improving steps have been done, including interspecies selection, provenance selection, stand selection, plus tree selection, cross breeding, progeny test, seed orchards, cutting propagation, early selection and so on. In this paper, it describes and discusses ashort term breeding program of larch in great detail. The results from almost twentyyears experiment demonstrate that: ① This breeding program is a reflection of the cur rent tree breeding characteristics. There exists a great help to make long term breeding plan perfectly in the future; ② On the basis of the interspecies and provenance selections it is important to set up many kinds of seed orchards, by using good species, provenance, stands, family, clone and hybrid, thus providing a large number of reproductive materials for forest production; ③ The collection, conservation, research and utilization of gene re sources is the basis to larch genetic improvement and its breeding work Of different levels;④ It also gives some useful suggestion to larch genetic improvement and long term breeding planning.

为了有效地、有步骤地取得落叶松优良品种,提出并实施了一系列的改良措施,主要进行了种间选择、种源选择、林分选择、优树选择、杂交育种、子代测定,种子园、扦插繁殖及早期选择等研究。同时较详细地探讨了落叶松阶段性育种程序——短期育种计划。十几年来的试验表明:①这个育种模式反映了当今树木育种特点,为今后制定长期的、更完善的育种计划具有重大的实践意义。②在种间、种源选择基础上,充分利用优良树种、优良种源、优良林分、优良家系,优良无性系和优良杂交组合建立各种类型的种子园,为林业生产提供大量的繁殖材料,经济效益十分显著。③基因资源的收集、保存、研究和利用是落叶松遗传改良、不同层次育种工作的基础和重要保证。④为今后落叶松遗传改良和制定长期育种计划提供一系列依据。

 
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