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Optimization of Chlorophyll a Production of Some Cyanobacteria from Rice Paddies in Manipur, India Through Nutritional and Environmental Factors 6

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Contributor(s): Philippine Journal of Science. 145:4 (December 2016). pp. 373-383 5 6 [] |

Language: Unknown language code Summary language: Unknown language code Original language: Unknown language code Series: ; 46Edition: Description: Content type: text Media type: unmediated Carrier type: volumeISBN: ISSN: 2Other title: 6 []Uniform titles: | | Related works: 1 40 Indrama Thingujam, Ojit Singh Keithellakpam, Avijeet Singh Oinam, Gunapati Oinam1, Tiwari Onkar Nath and Sharma Gauri Dutt 6 []Subject(s): -- 2 -- 0 -- -- | -- 2 -- 0 -- 6 -- | 2 0 -- | -- -- 20 -- | | -- -- CHLOROPHYLLA;INDO-BURMA;NUTRIENTS -- CYNOBACTERIA;LIGHT QUALITIES -- -- | -- -- -- 20 -- --Genre/Form: -- 2 -- Additional physical formats: DDC classification: | LOC classification: | | 2Other classification:

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Item type	Current location	Home library	Collection	Call number	Status	Date due	Barcode	Item holds
Book	PLM	PLM Periodicals Section	Periodicals	Q75.P538 (Browse shelf)	Available		PER1922S

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ABSTRACT: Experiments were carried out to examine the production of chlorophyll a by cyanobacteria against various concentrations of nitrate, phosphate, pH and light qualities. It was observed that highest chlorophyll a was produced by Anabaena spiroides in 0N concentration of sodium nitrate followed by Phormidium arthurensis in 1½N concentration of sodium nitrate during 30th day of growth. Pertaining to the effect of phosphate, maximum chlorophyll a production was observed by Nostoc piscinale in 1½N followed by Nostoc muscorum in 2N concentration of dipotassium hydrogen phosphate during 30th day of growth. Photochromatic adaptation studies revealed that maximum chlorophyll a production was observed in Nostoc muscorum in white light (31.10 µg g-1) followed by red light (14.70 µg g-1) and blue light (8.53 µg g-1) during 30th day of growth. In green light, chlorophyll a production was minimum (4.85 µg g-1) during 30th day of growth. The strain Nostoc muscorum produced maximum chlorophyll a production at pH 8.0 (26.9 29 µg g-1), whereas Nostoc piscinale yielded maximum chlorophyll a at pH 8.5 (26.30 µg g-1). Nostoc muscorum showed comparatively higher chlorophyll a content at all pH values. 56

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