Attack Symptoms In Seaweed

Semangun (1996) describes plant diseases when viewed from the angle of biology is a deviation from normal trait that causes the body can not perform normal physiological activities, while from the economic angle plant diseases is the inability to deliver sufficient results, both quantity and quality. Microorganisms (microbes) are not directly cause a disease, but outside circumstances have weakened the ...

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Sampling Water Lake or Reservoir

Water sampling at the point of lake or reservoir is set according to the following provisions; On lakes or reservoirs with a depth of less than 10 m, water samples were taken from two points, namely at the surface and at the bottom of the lake / reservoir On lakes or reservoirs with depths between 10 m – 30 m, ...

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Water Quality Measurement

Sampling for water quality measurement is a critical point at this stage of the measurement of water quality. Sampling is the first step that can determine the accuracy of water quality data that will be used. Before learning the sampling technique you should know the kinds of samples / examples of water beforehand. Samples of surface water comes from the ...

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Teknik Penanganan Sampel

Setelah pengambilan sampel, air sampel sebaiknya segera dianalisis. Jika terpaksa harus disimpan, setiap parameter kualitas air memerlukan perlakuan tertentu terhadap sampel. Selain perlakuan dengan bahan kimia, pengawetan yang paling umum dilakukan adalah pendinginan pada suhu 4ÂșC selama transportasi dan penyimpanan. Pada suhu tersebut, aktivitas bekteri terhambat. Sampel yang ditunda pengukurannya dan terpaksa harus dilakukan penyimpanan sebaiknya dilakukan labeling pada botol ...

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Hama Seaweed Fish Beronang

Hama macro is a parasitic organism that is larger than 2 cm contained cultivation location itself and has been in the form of large size / adults. Fish beronang (Siganus spp), is the biggest pests in the cultivation of seaweed. Beronang fish seed has clustered nature of the most serious pests of attack. These fish attack the entire thallus the ...

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Damage Symptoms Seaweed

Symptoms of seaweed damage caused by predation can be grouped based on their characteristics to identify pests that attack seaweed. Grouping based on characteristics are: a) Gouging (blister) is a small wound on thalus seaweed, slightly flaky pigment layer as if no damage. This attack can be caused by slugs or sea star larvae b) Planing, shows damage such as ...

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