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雌雄比对海带雌配子体发育的影响

EFFECTS OF DIFFERENT RATIONS OF FEMALE TO MALE ON THE DEVELOPMENT OF LAMINARIA FEMALE GAMETOPHYTE

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【作者】 罗世菊丛沂周杨迎霞张全胜李晓捷朱龙张壮志

【Author】 LUO Shiju 1,2, CONG Yizhou 1, YANG Yingxia 3, ZHANG Quansheng 4, LI Xiaojie 1, ZHU Long 5, ZHANG Zhuangzhi 1 (1. Yantai Municipal Aqua-Tech Spreading Center,Yantai 264003,China; 2. College of Marine Life Sciences,Ocean University of China,Qingdao 266003; 3.College of Chemistry and Material Sciences, Yaitai Normal University, Yantai 264025,China;4.Fishery college,Yantai University,Yantai 264000,China; 5. Penglai Pavilion Management Office,Yantai 265600,China)

【机构】 烟台市水产技术推广中心烟台师范学院化学与材料科学学院烟台大学水产学院蓬莱阁管理处烟台市水产技术推广中心 山东烟台264003中国海洋大学海洋生命学院山东青岛266003山东烟台264003山东烟台264025山东烟台264005山东烟台265600山东烟台264003

【摘要】 本实验进行了不同雌雄比对海带雌配子体发育的影响。结果表明:雌雄比(鲜重)为 1∶1及2∶1,实验组出现排卵时间最早,且发育率高,实验第 20 天,发育率超过 70%,孢子体正常。5∶1,10∶1,20∶1实验组随着雄性比例的减少,发育率逐渐降低,随着培养天数的增加,三个实验组均出现未受精卵及畸形孢子体,雌雄比越大,未受精卵数目越多。

【Abstract】 The effects of different ratios of female and male on the development of Laminaria female gametophyte were studied. The result shows that the development rates of female gametophyte are similar in the ratios of one to one and two to one. The development rates are both over 70% on the twentieth day and the young sporophytes are normal. For ratios of five to one, ten to one and twenty to one, the development rates of female gametophyte are lower. There are some unfertilized eggs and some young sporophytes are abnormal in these three groups. With the increasing of ratio of female and male, the number of unfertilized eggs is larger.

【关键词】 海带雌配子体发育雌雄比
【Key words】 Laminariafemale gametophytedevelopmentratio of female and male
  • 【文献出处】 海洋湖沼通报 ,Transaction of Oceanology and Limnology , 编辑部邮箱 ,2005年01期
  • 【分类号】S968.4
  • 【被引频次】5
  • 【下载频次】96
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