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Study of Quantitative Trait Loci (QTLs) Associated with Allelopathic Trait in Rice.


ABSTRACT: In rice there are few genetic studies reported for allelopathy traits, which signify the ability of plants to inhibit or stimulate growth of other plants in the environment, by exuding chemicals. QTL analysis for allelopathic traits were conducted with 98 F8 RILs developed from the cross between the high allelopathic parents of 'Sathi' and non-allelopathic parents of 'Nong-an'. The performance of allelopathic traits were evaluated with inhibition rate on root length, shoot length, total length, root weight, shoot weight, and total weight of lettuce as a receiver plant. With 785 polymorphic DNA markers, we constructed a linkage map showing a total of 2489.75 cM genetic length and 3.17 cM of average genetic distance between each adjacent marker. QTL analysis detected on QTL regions on chromosome 8 responsible for the inhibition of shoot length and inhibition of total length. The qISL-8 explained 20.38% of the phenotypic variation for the inhibition on the shoot length. The qITL-8 explained 14.93% of the phenotypic variation for the inhibition on total length. The physical distance of the detected QTL region was 194 Kbp where 31 genes are located.

SUBMITTER: Chung IM 

PROVIDER: S-EPMC7290725 | biostudies-literature | 2020 Apr

REPOSITORIES: biostudies-literature

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Study of Quantitative Trait Loci (QTLs) Associated with Allelopathic Trait in Rice.

Chung Ill-Min IM   Ham Tae-Ho TH   Cho Gi-Won GW   Kwon Soon-Wook SW   Lee Yoonjung Y   Seo Jeonghwan J   An Yeon-Ju YJ   Kim So-Yeon SY   Kim Seung-Hyun SH   Lee Joohyun J  

Genes 20200426 5


In rice there are few genetic studies reported for allelopathy traits, which signify the ability of plants to inhibit or stimulate growth of other plants in the environment, by exuding chemicals. QTL analysis for allelopathic traits were conducted with 98 F8 RILs developed from the cross between the high allelopathic parents of 'Sathi' and non-allelopathic parents of 'Nong-an'. The performance of allelopathic traits were evaluated with inhibition rate on root length, shoot length, total length,  ...[more]

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