|Table of Contents|

Effects of Natural Selection on Partial Qualitative Traits of RIL Populations Developed under Two Ecological Sites Derived from the Combinations of Peking×7605 and RN-9×7605(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2008年04期
Page:
551-555
Research Field:
Publishing date:

Info

Title:
Effects of Natural Selection on Partial Qualitative Traits of RIL Populations Developed under Two Ecological Sites Derived from the Combinations of Peking×7605 and RN-9×7605
Author(s):
LI Yong-chun1; XING Han1; XU Ran2; GAI Jun-yi1
1Soybean Research Institute of Nanjing Agricultural University，National Center for Soybean Improvement，National Key Laboratory for Crop Genetics and Germplasm Enhancement，Nanjing 210095，Jiangsu;
2Crops Institute，Shandon Academy of Agricultural Sciences，Jinan 250100，Shandong，China
Keywords:
oybean; Qualitative Traits; Natural selection; Recombinant Inbred Lines(RILs); Genetic diversity
PACS:
S565.1
DOI:
10.11861/j.issn.1000-9841.2008.04.0551
Abstract:
Qualitative traits such as seed shape，seed color，hilum color and pubescence color are representative characteristic of evolution extent of soybean.The objective of this study was to reveal that whether there are differences in genetic diversity between two RIL populations derived from the same soybean hybrid combination under two ecological sites.Four RIL population derived from cross of Peking 7605 and RN-9 7605，developed in Nanjing and Jinan，were adopted.The natural selection effect on part of qualitative traits was distinguished by comparing the difference of its phenotype.When these four RIL populations were planted in Jinan，significant difference were detected for seed shape，seed color，hilum color，and pubescence color on soybean in the two population derived from cross of Peking×7605，so did the seed shape in the other two populations derived from cross of RN-9×7605.Furthermore，genetic diversity of the four populations was evaluated for these qualitative traits by Shannon-weaver index and Simpson index，the results showed that diversity was varied with hybrid combination and traits.

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Last Update: 2014-10-07