|Table of Contents|

Heredity of 100 seed Weight between Crosses and Reciprocal Crosses in Different Soybean Parents(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2008年02期
Page:
208-211
Research Field:
Publishing date:

Info

Title:
Heredity of 100 seed Weight between Crosses and Reciprocal Crosses in Different Soybean Parents
Author(s):
CAO Yong-qiang1; WANG Hai-ying2; ZHANG Hui-jun2; WANG Wen-bin1; SONG Shu-hong1; XIE Fu-ti2
1 Crop Institute，Liaoning Academy of Agricultural Science，Shenyang 110161，Liaoning;
2 Agronomy Collge of Shenyang Agricultural University，Shenyang 110161，Liaoning，China
Keywords:
Soybean; Reciprocal crosses; 100-seed weight; Heredity
PACS:
S565.1
DOI:
10.11861/j.issn.1000-9841.2008.02.0208
Abstract:
To deeply comprehend the heredity of 100-seed weight and advance breeding efficiency，comparative studies were made on genetic performances of 100-seed weight at F3and BC1F2generations between crosses and reciprocal crosses of varieties from China and America. The mean of 100-seed weight at F3 generation was affected by female parents in a certain extent and was apt to small-seed apparent heredity. It may have not-marked heredity of cytoplasm. The variance coefficient of 100-seed weight at F3 generation was low，so separating intension was also low. We can select excellent unit because of high broad heritability at F3 generation. The separating intension and broad heritability of 100-seed weight at F3 generation were closely correlated with the female parents. The mean of 100-seed weight at BC1F2 generation was higher by Chinese big-seed parents than that by USA middle-seed，but may not be higher than that at F3 generation. The 100-seed weight at BC1F2generation was higher by male parents backcrossing than that by female，which could extend space of selection. In a certain extent，the genetic performances of 100-seed weight at BC1F2 generation are affected by different crossing-types.

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Last Update: 2014-10-10