|Table of Contents|

INHERITANCEOF Cl-TOLERANCEOF GLYCINE MAX CULTIVARS IN SEEDLINGS(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2006年04期
Page:
390-394
Research Field:
Publishing date:

Info

Title:
INHERITANCEOF Cl-TOLERANCEOF GLYCINE MAX CULTIVARS IN SEEDLINGS
Author(s):
Luo Qingyun 1 　 Liu Youliang2; 3　 Zhang Yuanming1; 3　 Xue Yanling2　 Zhang Yan 2
(1.National Key Laboratory of Crop Genetics and Germplasm Enhancement , College of Agronomy ,Nanjing Agricultural University , Nanjing 210095;2.College of Li f e Science , Nanjing AgriculturalUniversity , Nanj ing 210095 ;3.Soybean Reasearch Institute , Nanjing Agricultural University ;National Center of Soybean Improvement , Ministry of Agriculture , Nanjing 210095)
Keywords:
Soybean cultivars; Cl-tolerance; Inheritance; Mixed major gene and polygene inheritancemodel ; Joint segregation analysis of multiple generations
PACS:
-
DOI:
10.11861/j.issn.1000-9841.2006.04.0390
Abstract:
Stress of NaCl on seedlings of soybean cultivars was mainly coursed by Cl-, and we oulel im-prove salt tolerance of soybean cultivars by amelioration of the Cl-sensitive of cultivars.Inheritance ofCl - tolerance in P 1 、P 2 、F 1 、F 2 and F 2∶3 from two crosses of Nannong 88-31×Jackson and Nannong 1138-2×Nannong 88-31 were investigated by the mixed major gene plus poly-gene inheritance model of quantita-tive traits.The joint analyses results showed that the Cl-tolerance of this two crosses were both con-trolled by a major gene and minor genes (the D-0 model).And the values of additive effect of the majorgene and the minor genes of Nannong 88-31×Jackson were higher than those of Nannong 1138-2 ×Nan-nong 88-31, but the values of dominance effects of the major gene and the minor ones of Nannong 88-31×Jackson were lower than those of the latter crosse .In F 2∶3 from cross of Nannong 88-31 × Jackson andNannong 1138-2 ×Nannong 88-31, the heritability values of the major gene were estimated as 0 .54%and18.23%, respectively .And those of the minor genes were estimated as 83.56 %and 16.32%, respective-ly .Thus, it was possible for us to breed Cl-tolerant soybean cultivars by choosing Cl-tolerant parentsand handling segregating generation.

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Last Update: 2016-12-16