|Table of Contents|

QTL Analysis for Total Organic Acid Content in Tomato Fruit(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2015年05
Page:
109-113
Research Field:
Publishing date:

Info

Title:
QTL Analysis for Total Organic Acid Content in Tomato Fruit
Author(s):
QI Fei; LIU Guan; LI Jing-fu
（College of Horticulture，Northeast Agricultural University，Harbin，Heilongjiang 150030）
Keywords:
 ; tomatotomato：：acid content' target='_blank'> FONT-SIZE: 10.5pt">acid content; QTL; AFLP; SSR
PACS:
-
DOI:
10.11937/bfyy.201505033
Abstract:
An AFLP and SSR genetic linkage map was constructed in tomato with a 260 intraspecific F2 population derived from a cross between high acid content line ‘12680’ as female parent and low acid contend line ‘12574’ as male parent.Total acid content was determined by acid-base titration,total organic acid genetic development was studied to find QTL position related to organic acid conted.The results showed that, in totally chose 256 paris of AFLP molecule markers，185 paris of SSR molecule markers,24 paris of AFLP molecule markers and 17 paris of SSR molecule markers had favorable polymorphism.F2 generation were analyzed for patterns to construct the six linkage groups.It contained 41 molecule markers，the total length of 1 358.93 cM.There were two markers detected the LOD scores greater than 2.5，genetic contribution rate were 20.27% and 10.98%.The 2 QTLs distributed in 2 linkage groups，among which Ta1 was negative additive effects,Ta2 was positive additive effect.

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Last Update: 2015-06-24