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Interspecific hybridization between Crassostrea angulata and C-ariakensis
Yao Tuo; Zhang Yuehuan; Yan Xiwu; Wang Zhaoping; Li Dongchun; Su Jiaqi; Yu Ruihai; zpwang@ouc.edu.cn
2015
Source PublicationJOURNAL OF OCEAN UNIVERSITY OF CHINA
Volume14Issue:4Pages:710-716
Subtype1672-5182
AbstractInterspecific hybridization can generate heterosis, which is proven to be a useful tool in selective breeding programs for oyster culture. Crassostrea angulata and C. ariakensis are two important economic shellfish species in China. We conducted 2 x 2 reciprocal crosses to determine whether these two species can cross-fertilize and their hybrids can hatch, survive and perform heterosis. Fertilization was found symmetrical without delay. The rate of fertilization success of C. angulata a (TM) Euro x C. ariakensis a (TM), was lower than that of C. ariakensis a (TM) Euro x C. angulata a (TM),, and the success rate of both hybridizations was lower than that of two intraspecific crosses each. During the planktonic period, survival rate of the progeny was lower in the hybrid crosses than in the intraspecific crosses. On day 360, mean shell height of the progeny of C. angulata a (TM) Euro x C. angulata a (TM), was highest, which was followed by that of C. angulata a (TM) Euro x C. ariakensis a (TM),, C. ariakensis a (TM) Euro x C. ariakensis a (TM), and C. ariakensis a (TM) Euro x C. angulata a (TM), in a descending order. Morphology of adults produced by the hybrid crosses was similar to that of C. angulata. Both hybrids underwent normal gonad development and produced mature gametes in the mating season. This study provided new insights into the quantitative traits in interspecific crosses of Crassostrea species, thus being of guidance value for selective breeding of oyster.
Department[Yao Tuo; Wang Zhaoping; Su Jiaqi; Yu Ruihai] Ocean Univ China, Coll Fisheries, Qingdao 266003, Peoples R China; [Zhang Yuehuan] Chinese Acad Sci, South China Sea Inst Oceanol, Key Lab Trop Marine Bioresources & Ecol, Guangzhou 510301, Guangdong, Peoples R China; [Yan Xiwu; Li Dongchun] Dalian Ocean Univ, Coll Fisheries & Life Sci, Engn Res Ctr Shellfish Culture & Breeding Liaonin, Dalian 116023, Peoples R China ; LTO
KeywordCrassostrea Angulata Crassostrea Ariakensis Interspecific Hybridization Gonad Development Heterosis
Subject AreaOceanography
Indexed BySCI
Document Type期刊论文
Identifierhttp://ir.scsio.ac.cn/handle/344004/15066
Collection热带海洋环境国家重点实验室(LTO)
Corresponding Authorzpwang@ouc.edu.cn
Recommended Citation
GB/T 7714
Yao Tuo,Zhang Yuehuan,Yan Xiwu,et al. Interspecific hybridization between Crassostrea angulata and C-ariakensis[J]. JOURNAL OF OCEAN UNIVERSITY OF CHINA,2015,14(4):710-716.
APA Yao Tuo.,Zhang Yuehuan.,Yan Xiwu.,Wang Zhaoping.,Li Dongchun.,...&zpwang@ouc.edu.cn.(2015).Interspecific hybridization between Crassostrea angulata and C-ariakensis.JOURNAL OF OCEAN UNIVERSITY OF CHINA,14(4),710-716.
MLA Yao Tuo,et al."Interspecific hybridization between Crassostrea angulata and C-ariakensis".JOURNAL OF OCEAN UNIVERSITY OF CHINA 14.4(2015):710-716.
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