|Table of Contents|

Fruit Cracking and QTL Mapping of Tomato(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2017年17
Page:
44-51
Research Field:
Publishing date:

Info

Title:
Fruit Cracking and QTL Mapping of Tomato
Author(s):
ZHANG Dongye; LI Huijia; YANG Huanhuan; LI Jingfu; XU Xiangyang
College of Horticulture and Landscape Architecture,Northeast Agricultural University,Harbin,Heilongjiang 150030
Keywords:
Lycopersicon esculentum Mill.; cracking; correlation analysis; QTL mapping
PACS:
-
DOI:
10.11937/bfyy.20171000
Abstract:
Resistant crack tomato ‘14803’ and easily crack tomato ‘14633’ were used as test materials,the F1 generation was obtained by hybridization of ‘14803’ and ‘14633’,the resulting F1 plants were self-crossed to obtain F2.Correlations among fruit cracking and QTL of the F2 generation were investigated in this study,in order to provide a theoretical basis for further cultivating new varieties with crack resistance and good quality.The results showed that there were significant positive correlations between the crack resistance index and fruit longitudinal diameter,fruit shape index,the toughness of the peel on the fruit shoulder and the toughness of the peel in the middle of the fruit.The SSR and AFLP techniques were used to construct the genetic linkage map and QTL mapping.A total of 27 QTLs related to fruit weight,fruit shape index and fruit toughness were detected by F2 generation,among them there were 5 QTLs related with crack resistance index.

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Last Update: 2017-09-29