植物生长调节剂对冈村枝管藻盘状体生长发育的影响  

The effect of plant growth regulator on the growth of discoid of Cladosiphon okamuranus Tokida

作　　者：时艳侠[1] 张学成[1] 孟振[2] 朱清华[1] 

机构地区：[1]中国海洋大学海洋生命学院,山东青岛266003 [2]农业部海洋渔业资源可持续利用重点开放实验室中国水产科学研究院黄海水产研究所,山东青岛266071

出　　处：《海洋科学》2008年第4期1-4,共4页Marine Sciences

基　　金：国家948计划资助项目(2003-Z104)

摘　　要：研究了6-苄基腺嘌呤(6-BA)、激动素(KT)、奈乙酸(NAA)和甲壳素4种植物生长调节剂对枝管藻(Cladosiphon okamuranusTokida)盘状体的影响。结果表明:在试验范围内6-BA对盘状体的生长具有较明显的促进作用,其质量浓度为0.5 mg/L时的促进效应最强;不同质量浓度KT下生长的盘状体直径均大于对照,其最有效质量浓度为1 mg/L;NAA可以延长枝管藻盘状体的生长时间,促进盘状体生长,其质量浓度为5 mg/L时,盘状体的生长时间被延长7 d左右,直径可达780μm,比对照(540μm)高出240μm;甲壳素对盘状体生长有明显的抑制作用。Abstract： The effect of four kinds of plant growth regulators. The effects 6-BA, KT, NAA and chitin on the growth of discoid of Cladosiphon okamuranus Tokida were studied. 6-BA had a strong effect of helping the discoid grow bigger. The optimal concentration was 0.5 mg/L. KT of different concentrations stimulated the growth of discoid to a degree. The diameters of discoid growing in different concentrations of KT were all bigger than that of control. KT of 1 mg/L had the maximum stimulating effect. NAA can prolong the growth time of discoid. The growth time of discoid was prolonged for abount 7 days by the treatment of 5 mg/L NAA. Meanwhile, the diameter of discoid was 780 μm, bigger than that of control （540 μm）. Thechitin inhibited the growth of discoid strongly.

关 键 词：冈村枝管藻(Cladosi phon okamuranus Tokida) 盘状体 植物生长调节剂 

分 类 号：S482.8[农业科学—农药学] TN104.3[农业科学—植物保护]