Tropical Plant Research

Tropical Plant Research

An International Journal by Society for Tropical Plant Research

ISSN (E): 2349-1183 ISSN (P): 2349-9265
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2019, VOLUME 6 ISSUE 2Pages: 233-240

Occurrence of genus Microcystis Lemmerm. from water bodies of Maldahdistrict, WestBengal, India

Pratibha Gupta
Botanical Survey of India, Ministry of Environment, Forest and Climate Change, Government of India Acharya Jagadish Chandra Bose Indian Botanic Garden, Howrah-711103, West Bengal, India
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Present investigation deals with systematic enumeration of Genus Microcystis. collected from different water bodies of Maldah District, West Bengal and its impacts for which systematic survey and collection of the samples was carried out from different water bodies of all administrative blocks of Maldah District namely Ratua I, Ratua II, Harishchandrapur I, Harishchandrapur II, Chanchal I, Chanchal II, Manikchak, Gazol, Habibpur, Bamangola, Old Maldah, English Bazar and Kaliachak. Altogether ten species of Genus Microcystis viz. Microcystis aeruginosa, M. flos-aquae, M. ichthyoblabe, M. novacekii, M. panniformis, M. protocystis, M. pseudofilamentosa, M. robusta, M. viridis and M. wesenbergii were recorded from different water bodies of Maldah District, West Bengal. Out of ten, four species of Genus Microcystis viz. Microcystis ichthyoblabe, M. panniformis, M. wesenbergii and M. novacekii have been reported for the first time from water bodies of block Ratua I, Old Maldah and English Bazar of Maldah District, West Bengal. Some of the species of Microcystis are bloom forming. Taxonomically, the Genus Microcystis is very important because of its characteristic features among the cyanophycean forms, global distribution and occurrence.
<strong>A</strong>, <em>Microcystis aeruginosa </em>(Kütz.) Kütz.; <strong>B</strong>, <em>M. flos-aquae </em>(Wittr.) Kirchn.;<strong> C</strong>, <em>M. ichthyoblabe </em>Kütz.; <strong>D</strong>, <em>Microcystis novacekii</em>(Komárek)Compère; <strong>E</strong>, <em>M. panniformis </em>Komárek; <strong>F</strong>, <em>M. protocystis </em>Crow.

Fig.: A, Microcystis aeruginosa (Kütz.) Kütz.; B, M. flos-aquae (Wittr.) Kirchn.; C, M. ichthyoblabe Kütz.; D, Microcystis novacekii(Komárek)Compère; E, M. panniformis Komárek; F, M. protocystis Crow.