|Table of Contents|

GENETIC CORRELATION AND PATH-COEFFICIENT OF IMPORTANTOIL FATTYACID CONTENT WITH THE MAJOR AGRONOMIC CHARACTERS IN SOYBEAN(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2006年01期
Page:
18-22
Research Field:
Publishing date:

Info

Title:
GENETIC CORRELATION AND PATH-COEFFICIENT OF IMPORTANTOIL FATTYACID CONTENT WITH THE MAJOR AGRONOMIC CHARACTERS IN SOYBEAN
Author(s):
Hu Chaoyue 1 　Wang Zhenmin 2
(1.Collegeof Agriculture ,South China Agricultural University ,Guangzhou 510642;2.Institute of Agronomy , J ilin Agricultural University ,Changchun 130118)
Keywords:
Soybean ; Genetic correlation ; Path-coefficient
PACS:
-
DOI:
10.11861/j.issn.1000-9841.2006.01.0018
Abstract:
　T he two popularized cultivars in Jilin and three American low linolenic materials were used asparents to make complete diallel crossing in accordance with the Griffing’s method 2.The results of geneticcorrelation between oil fatty acid content and the major agronomic characters and path coefficient of oil fat-ty acid content to seed weight per plant and 100SW(100 seeds weight), were analyzed.The results of genetic correlation and phenotytic correlation were similar .The genetic correlation be-tween 100SW(100 seeds weight)and the contents of palmitic , stearic , oleic and linolenic is positive .Thegenetic correlation is negative between linoleic content and 100SW .The contents of linoleic and linoleniccan be selected indirectly by 100SW .The direct path-coefficients of oleic and linoleic contents to SWP were almost the same to the geneticcorrelation between them .The positive direct path-coefficient of linoleic content to SWP was concealed bythe negative indirect path-coefficients of oleic and linolenic to SWP , and it made the direct path-coefficientbe opposite to the genetic correlation of linoleic content to SWP .The direct path-coefficients of palmitic , stearic and linoleic contents to 100SW were almost the sameto the genetic correlation between them .The direct path-coefficients of oleic and linolenic contents to100SW were opposite to the genetic correlation between them by the concealment of positive indirect path-coefficient .So we could reach the breeding aim of low linolenic and improve the content of linoleic at the sametime with the indirect selection by 100SW .

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Last Update: 2016-12-12