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Title: Microflora (fungal and bacterial) of selected terrestrial and marshy species of rhizosphere in response to spent wash treatments
Authors: Singh, P K
Sharma, K P
Keywords: Fungi
bacteria
rhizosphere
terrestrial and marshy plant species
spent wash
Issue Date: Apr-2009
Publisher: CSIR
Abstract:  In the present study, 16 fungal species were recorded in the rhizosphere of 4 terrestrial species [Acacia farnesiana (Linn.) Willd, A. leucophloea (Robx.) Willd, A. nilotica (Linn.) Del. and A. raddiana Savi] and 4 marshy species (Arundo donax Linn., Phragmites karka Steud, Typha angustata Bory & Chaub and Scirpus tuberosus Derf.) grown in tap water (control) and spent wash treatments (COD = 750-12,000 ppm). Their species richness was relatively higher (2-folds) in the spent wash treatments than their respective controls while their colony forming units were almost similar, exceeding in number to more than 300 units for a particular fungal species in the community. Aspergillus was the most dominant genus (4 species) followed by Fusarium (2 species) while the remaining 10 genera had one species each. The bacteria were Gram (+) bacilli and cocci arranged singly and in chains (also in bunches in cocci). In comparison to control, their CFU values were significantly higher (2-10-folds) in spent wash treatments, especially in the rhizosphere of marshy species.
Page(s): 240-243
ISSN: 0972-5849
Source:IJBT Vol.08(2) [April 2009]

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