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首页> 外文期刊>Biocontrol Science >Antimycotic Activity of Seaweed Extracts (Caulerpa lentillifera and Eucheuma cottonii) against Two Genera of Marine Oomycetes, Lagenidium spp. and Haliphthoros spp.
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Antimycotic Activity of Seaweed Extracts (Caulerpa lentillifera and Eucheuma cottonii) against Two Genera of Marine Oomycetes, Lagenidium spp. and Haliphthoros spp.

机译：海藻提取物（Caulerpa Lentillifera和Eucheuma Tickii）对海洋oomycetes，Lagenidium spp的抗粘糊活动。 和Haliphthoros SPP。

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摘要

Fungal infection mostly caused by marine oomycetes had hindered crustacean production thus searching for natural and safe treatment is currently needed. Thus, this study was conducted to investigate the antimycotic effect of different seaweed extract against marine oomycetes (Lagenidium spp. and Haliphthoros spp). Two seaweeds species (Eucheuma cottonii and Caulerpa lentillifera) were extracted using ethanol, methanol and water. Each extracts was tested on four fungi strains of marine oomycetes species for minimum inhibitory concentration (MIC) and fungicidal activities. C. lentillifera ethanol extract showed the highest antifungal effect where it can inhibit three from four fungal strains. Meanwhile, E. cottonii ethanol extract has lowest MIC (500 ppm) and inhibit L. thermophilum IPMB 1401 and H. sabahensis IPMB 1402 hyphal growths. Antimycotic effect on zoospores production shows reduction in production after 12 h immersion for three marine oomycetes species. Seaweed extracts toxicity on Artemia sp. showed approximately 5% mortality at 12 h immersion. It is suggested that 12 h immersion of seaweed extract is a suitable treatment for marine oomycetes in aquaculture. This study does not only show potential alternative control method for crab larvae health management, it may also contribute to the sustainable development and food security of aquaculture industry.
机译：真菌感染主要由海洋Oomycetes造成的，因此目前需要寻找自然和安全的治疗的甲壳类动物。因此，进行了该研究以研究不同海藻提取物对海洋核桃菌（Lagenidium SPP和Haliphthoros SPP）的抗催乳剂效应。用乙醇，甲醇和水提取两种海藻物种（Eucheuma cottonii和Caulerpa Lentillifera）。每种提取物对四种真菌菌株物种的四种真菌菌株进行测试，用于最小抑制浓度（MIC）和杀真菌活性。 C.甘油里乙醇萃取物显示出最高的抗真菌效应，可以从四种真菌菌株中抑制三种。同时，E. Cottonii乙醇提取物具有最低的MIC（500ppm）和抑制L. Hevophilum IPMB 1401和H.Sabahensis IPMB 1402悬垂生长。对血清孢子生产的抗肿瘤作用显示在12小时浸泡后的三个海洋核桃物种后的产量降低。海藻提取蒿属植物毒性。在12小时浸泡时显示大约5％的死亡率。建议，海藻提取物的12小时浸没是水产养殖中海洋菌菌的合适处理。本研究不仅为蟹幼虫卫生管理展示了潜在的替代控制方法，也可能导致水产养殖业的可持续发展和粮食安全。

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