文献类型： 外文期刊

作者： Jiang, Hai-kun ¹ ; Zhang, Qi-an ¹ ; Fang, Lin ¹ ; Yuan, Xi-han ¹ ;

作者机构： 1.Anhui Acad Agr Sci, Inst Hort, Hefei, Anhui, Peoples R China

关键词： watermelon;major gene plus polygene;cracking;fruit cut cracking;inheritance

期刊名称：2ND CONFERENCE ON HORTICULTURE SCIENCE AND TECHNOLOGY (CHST 2010)

ISSN：

年卷期： 2010 年

页码：

收录情况： SCI

摘要： Inheritance of fruit cut cracking was analyzed by using the joint segregation analysis of mixed genetic models of major gene plus polygene in six generations (P1, P2, F1, B1, B2, and F2) derived from two crosses of L-103 (filth-cracking susceptible) xX-101 (fruit-cracking resistance). The cut fruit cracking was dominated by two major genes with additive-dominance-epistatic effects plus polygenes with additive-dominance effects(E-1 model) in Cross X-101 x L-103. The hereditability of major genes were 40.34% 25.08%, 33.10% in B1, B2, F2 population, and that of polygenes(h(pg)(2)) detected in 81, B2, F2population were 32.65%, 0, 50.20%. It also indicated that the environmental factors had a great effect on fruit cracking resistance as the environmental and genetic variance accounted for 39.55% and 60.45%, on average, of the phenotypic variance, respectively.