Quantitative trait loci controlling Phytophthora cactorum resistance in the cultivated octoploid strawberry(Fragaria×ananassa)
作者机构：Department of GeneticsGenomics and BreedingNIAB EMRNew RoadEast Malling ME196BJUK
出 版 物：《Horticulture Research》 (园艺研究（英文）)
年 卷 期：2019年第6卷第1期
页 面：965-978页
核心收录：
学科分类：0710[理学-生物学] 0831[工学-生物医学工程（可授工学、理学、医学学位）] 1001[医学-基础医学(可授医学、理学学位)] 09[农学] 0901[农学-作物学] 0703[理学-化学] 0836[工学-生物工程] 0902[农学-园艺学] 090201[农学-果树学] 0834[工学-风景园林学（可授工学、农学学位）]
基 金：supported by grants awarded to RJH from the Biotechnology and Biological Sciences Research Council(BBSRC-BB/K017071/1 BB/K017071/2 and BB/N006682/1)
摘 要：The cultivated strawberry,Fragaria×ananassa(Fragaria spp.)is the most economically important global soft *** cactorum,a water-borne oomycete causes economic losses in strawberry production globally.A biparental cross of octoploid cultivated strawberry segregating for resistance to ***,the causative agent of crown rot disease,was screened using artificial *** putative resistance quantitative trait loci(QTL)were identified and *** major effect QTL(FaRPc6C,FaRPc6D and FaRPc7D)explained 37%of the variation *** were no epistatic interactions detected between the three major *** a subset of the mapping population progeny against a range of *** isolates revealed no significant interaction(p=0.0593).However,some lines showed higher susceptibility than predicted,indicating that additional undetected factors may affect the expression of some quantitative resistance *** historic crown rot disease score data from strawberry accessions,a preliminary genome-wide association study(GWAS)of 114 individuals revealed an additional locus associated with resistance to *** of the Fragaria vesca Hawaii 4 v1.1 genome revealed candidate resistance genes in the QTL regions.
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