찰옥수수 육성계통간 유전적 거리와 잡종강세 정도

Moon-Sub Lee; Jae-Hyeon Yang; Seung-Bin Lim; Hee-Bong Lee

doi:10.7740/kjcs.2015.60.4.464

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Original Research Article

찰옥수수 육성계통간 유전적 거리와 잡종강세 정도 Genetic Distance and Heterosis Degree Among the Developed Waxy Corn Lines

31 December 2015. pp. 464-469

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Abstract

This study was carried out to find relationships of genetic distance and heterosis expression degree in the developed CNU waxy corn lines. The used material were developed in Corn Breeding Laboratory, Coll. of Agri. & Life Sci., CNU. Total 10 primers used for SSR maker analysis. In genetic distance, the used lines divided into four groups; A group has two lines, B group has one line, C group has ten lines and D group has eleven lines, respectively. Among used lines, CNU427 and CNU588 were very closed as a 74, while CNU451 and CNU429 were remote as a 40 inbred coefficient, respectively. While heterosis degree were very variable not only hybrids but also cross parents. Average heterosis of most cross-parent was high in plant height, ear height, flowering day and ear length. Especially, CNU H09-23 hybrid was high as 79.4% than other hybrids. Here, we gained the fact has closely relationship between genetic distance and heterosis.

Keywords

heterosis

reciprocal crossing

waxy corn

cross parent

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Information

Publisher :The Korean Society of Crop Science
Publisher(Ko) :한국작물학회
Journal Title :The Korean Journal of Crop Science
Journal Title(Ko) :한국작물학회지
Volume : 60
No :4
Pages :464-469
Received Date : 2015-10-05
Revised Date : 2015-10-27
Accepted Date : 2015-12-07
DOI :https://doi.org/10.7740/kjcs.2015.60.4.464

The Korean Journal of Crop Science ISSN:0252-9777(Print) 2287-8432(Online) 한국작물학회지

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