应用水平法与t检验评选火炬松半同胞家系  

Usage of Performance Level Analysis and t Test in Family Selection

作　　者：何昭珩[1] 钟伟华[1] 

机构地区：[1]华南农业大学林学院,广东广州510642

出　　处：《华南农业大学学报》2001年第1期9-12,共4页Journal of South China Agricultural University

基　　金："七五"国家重点科技攻关! (75 - 0 7- 0 1- 38) ;广东省科委重点课题!;联合国发展计划署项目 !(CPR/ 91/ 15 3)

摘　　要：探讨了用水平法与简单t检验在缺区、缺株、方差不齐性条件下评选出优良家系数目上的差别 ,及简单t检验的精度问题 .提出了用水平法与简单t检验相结合进行家系评选 .从 32个家系中选出优良家系 11个 ,材积现实增益 35 .8% .The paper approached the difference of the number of selected superior family between the methods of performance level analysis and simple ttest, under the condition of missing plots, missing trees and variance heterogeneity. The accuracy of simple ttest was analyzed. It was put forward that family selection can be carried out by combining performance level analysis and simple ttest. Eleven superior families were selected from the 32 tested families and the real gain for volume was estimated to be 35.8%.

关 键 词：水平法 T检验 火炬松 半同胞家系 家系选择 

分 类 号：S791.255[农业科学—林木遗传育种] S722.33[农业科学—林学]