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引用本文:张跃环,李少文,闫喜武,苏家齐,杨 凤,张国范.菲律宾蛤仔(Ruditapes philippinarum)紫壳内面和白黄壳内面品系的三元杂交.海洋与湖沼,2012,43(1):120-126.
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菲律宾蛤仔(Ruditapes philippinarum)紫壳内面和白黄壳内面品系的三元杂交
张跃环1, 李少文1, 闫喜武1, 苏家齐1, 杨 凤1, 张国范2
1.大连海洋大学水产与生命学院辽宁省贝类良种繁育工程技术研究中心;2.中国科学院海洋研究所
摘要:
于 2010 年 6 月, 以性状优良的白黄壳内面 F2 代菲律宾蛤仔二元杂交系(WO)与紫壳内面 F2代选育系(P)为材料, 进行了三元杂交研究, 获得了三元正反交组合 PWO、WOP, 并且比较了各实验组子代在不同阶段生长、存活和变态的杂种优势。结果表明: (1) 从生长上看。三元杂交子 WOP 生长始终最快, 2 个三元正反交组幼虫均表现出了不同程度的杂种优势, 其生长主要受卵源与配对策略的交互作用影响。 (2) 从存活力上看。 三元杂交子 PWO 幼虫及 WOP 稚贝表现出一定的杂种优势, 卵源是浮游期幼虫存活的最主要影响因素。(3) 从变态上看, 三元杂交子 PWO 呈现出一定的变态优势为 HmPWO = 9.80, 卵源、配对策略及交互作用均是影响变态主要因素。
关键词:  菲律宾蛤仔, 三元杂交, 杂种优势, 壳内面颜色品系
DOI:10.11693/hyhz201201020020
分类号:
基金项目:现代农业产业技术体系建设专项, CARS-48 号; 国家高技术研究发展计划“863”项目, 2006AA10A410 号; 国家“十一五”课题, 2006BAD09A09 号; 辽宁省重大科研项目, 990387 号; 辽宁省教育厅创新团队项目, 2007T104 号; 辽宁省科技特派团项目, 2008203005 号
附件
THREE WAY CROSSES BETWEEN PURPLE AND WHITE-ORANGE INNER-SHELL COLOR STRAINS OF MANILA CLAM RUDITAPES PHILIPPINARUM
ZHANG Yue-Huan1, LI Shao-Wen1, YAN Xi-Wu1, SU Jia-Qi1, YANG Feng1, ZHANG Guo-Fan2
1.Engineering Research Center of Shellfish Culture and Breeding in Liaoning Province, College of Fisheries and Life Science, Dalian Ocean University;2.Institute of Oceanology, Chinese Academy of Sciences
Abstract:
In order to improve the phenotypic character of Manila clam Ruditapes philippinarum, three way crosses were conducted between the generation F2 of purple (metamorphic heterosis) and white-orange (growth and survival heterosis) inner-shell color of R. philippinarum in June 2010. The growth, heterosis of reciprocal crosses (PWO, WOP) was investigated in the study. The results showed that: (1) As to growth, WOP (generation of the three way crosses) was the fastest experimental group during the planktonic period, and two crosses showed their heterosis in different degrees (HgPWO = 4.90±4.17 and HgWOP = 2.12±1.77) . It was mainly affected by the interaction between egg origin and mating strategy, and the next one is egg origin effect during the planktonic stage. During the juvenile stage, WOP was still the fastest one in growth, remarkably different with other groups (P<0.05) and showed obvious heterosis (HgWOP = 14.87±4.04). (2) As to survival rate, PP (self-fertilized group) was the lowest, and PWO (generation of the three way crosses) showed survival heterosis (HsPWO = 7.26±6.93) during the planktonic period. It was mainly affected by egg origin in planktonic survival. During the juvenile stage, WOP have a higher survival ability, and showed a little heterosis (HsWOP = 2.09±3.42). (3) As to metamorphosis, PP showed the lowest metamorphic ratio, it was remarkably different with other groups (P<0.05). The other three groups made no remarkable difference each other (P>0.05) , and the heterosis of PWO was 9.80.
Key words:  Ruditapes philippinrum, Three way crosses, Heterosis, Inner-shell color strains
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