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室内刺参育苗池中新发现的一种敌害生物——日本毛壶 被引量:3

A new harmful organism found in Apostichopus japonicus indoor breeding seeding-Grantia nipponica
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摘要 刺参(Apostichopus japonicus Selenka)育苗池内PVC波纹板上新发现一种敌害生物——日本毛壶(Grantia nipponica),外观白色管状,体基端呈树枝状,中部膨大,表面遍生毛状骨针,活体长8-30 mm,宽2-6 mm。体表骨针为二辐骨针(diactine)和三辐骨针(trciactine),其中三辐骨针(trciactine)中包含了等角骨针(regular spicule)、羽状骨针(sagtittal spicule)和类羽状骨针(parasagittal spicule),二辐骨针的长度大约为80-800μm,三辐骨针的长度为30-350μm。毛壶大量繁殖的密度可达到0.144个/cm2。可从养殖用水过滤、饵料消毒和附着基及时清洗几个方面入手控制毛壶的过度增殖。 The specimens of genus Grantia nipponica were obtained from the PVC attachment base of sea cucumber Apostichopus japonicus indoor breeding pool on 16th June, 2012.The taxonomic characteristics of G.nipponica were described in detail.The body of G.nipponica is white and fistulose. The base of the organism is arborescent. The central body is inflated which is covered with a lot of hairy dermalia. The length of single G.nipponica is about 8-30mm and the body width is 2-6mm. There are two kinds of dermalia-diactine and trciactine in its body. Trciactine include three kinds of spicule: regular spicule, sagtittal spicule and parasagittal spicule. The length of diactine and trciactine is about 80-800μm and 30-350μm respectively. The results show that the average density of G.nipponica in PVC Plate can reach a value of 0.144 individuals per cm2, which is harmful to culture of young A. stichopus. The effective methods to control the density of G.nipponica are filtering water by sand filter, sterilizing feed and washing the PVC attachment basement regularly.
出处 《海洋科学》 CAS CSCD 北大核心 2014年第5期60-65,共6页 Marine Sciences
基金 科研院所技术开发研究专项(2011EG34219) 山东省农业良种工程重大课题
关键词 海参 日本毛壶(Grantia nipponica) 形态学 组织学 分类 敌害 sea cucumber Grantianipponica morphology histology taxonomy harmful organism
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