|
华南农业大学学报 |
||
|
| ||
|
何昭珩 钟伟华 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%. Usage of Performance Level Analysis and t Test in Family Selection HE Zhao-heng（College of Forestry, South
China Agric. Univ., Guangzhou 510642, China） Abstract：The paper approached the difference of the number of selected superior
family between the methods of performance level analysis and simple t-test,
under the condition of missing plots, missing trees and variance heterogeneity.
The accuracy of simple t-test was analyzed. It was put forward that family
selection can be carried out by combining performance level analysis and simple
t-test. Eleven superior families were selected from the 32 tested families and
the real gain for volume was estimated to be
35.8%. |
| 基金项目：“七五”国家重点科技攻关(75-07-01-38)；广东省科委重点课题；联合国发展计划署项目(CPR/91/153) 作者简介：何昭珩(1926-)，男，副教授. 作者单位：何昭珩（华南农业大学林学院，广东 广州 510642） 钟伟华（华南农业大学林学院，广东 广州 510642） 参考文献： ［1］HATCHER A R. The use of progeny test
data for evaluation of specific crosses and clones[A]. Anon. Tree improvement
short course:No 30[C]， Ralugh N C： N C S U press， 1981. 184-187. 收稿日期：2000年7月2日 出版日期：2001年1月1日 |
桂公网安备 45010302000299号
