THE EFFECT OF DIFFERENT NITROGEN SOURCES ON GROWTH AND SURVIVAL OF GREEN ALGAE SCENEDESMUS SP. AT LIMITED IRRADIANCE AND CARBON DIOXIDE CONDITION

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MIRBEHBAHANI J.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Journal: PLANT AND ECOSYSTEM Year:2006 | Volume:2 | Issue:7 Page(s): 79-86

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Title

THE EFFECT OF DIFFERENT NITROGEN SOURCES ON GROWTH AND SURVIVAL OF GREEN ALGAE SCENEDESMUS SP. AT LIMITED IRRADIANCE AND CARBON DIOXIDE CONDITION

Author(s)

MIRBEHBAHANI J. | | Issue Writer Certificate

Keywords

GROWTHQ3

SCENEDESMUSQ2

DENSITY CARBON DIOXIDE MECHANISMQ2

NUTRIENT NITROGENQ3

Abstract

The effect of different concentrations of organic (urea) and inorganic (nitrate and ammonium) nitrogen sources on survival, GROWTH and pigment composition (carotenoides) of green algae SCENEDESMUS sp, has been studied at limited irradiance and without carbon dioxide addition. specimen was sampled from paddy–fields of Golestan province and after purification was treated with different amount of urea (2, 5, 10 mm), nitrate (5and 10mm), and ammonium (1and 2mm) under continuous 1500lux irradiance. No carbon dioxide was added to culture except of usual aeration. GROWTH was measured with turbidity OD750 and pigment analysis was invivo and invitro too. Results showed that we can see the highest rates of GROWTH in nitrate cultures as a whole. Organic nitrogen specially at higher concentrations cause possibly stress in the medium. 10mm of nitrate and 1 mm ammonium cause relative better GROWTH. Carotenoides show no significant changes comparing different concentrations of nitrate. It seems that active carbon dioxide concentration mechanism cause survival of the specimen at limited carbon dioxide condition.

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APA: Copy

MIRBEHBAHANI, J.. (2006). THE EFFECT OF DIFFERENT NITROGEN SOURCES ON GROWTH AND SURVIVAL OF GREEN ALGAE SCENEDESMUS SP. AT LIMITED IRRADIANCE AND CARBON DIOXIDE CONDITION. PLANT AND ECOSYSTEM, 2(7), 79-86. SID. https://sid.ir/paper/145483/en

Vancouver: Copy

MIRBEHBAHANI J.. THE EFFECT OF DIFFERENT NITROGEN SOURCES ON GROWTH AND SURVIVAL OF GREEN ALGAE SCENEDESMUS SP. AT LIMITED IRRADIANCE AND CARBON DIOXIDE CONDITION. PLANT AND ECOSYSTEM[Internet]. 2006;2(7):79-86. Available from: https://sid.ir/paper/145483/en

IEEE: Copy

J. MIRBEHBAHANI, “THE EFFECT OF DIFFERENT NITROGEN SOURCES ON GROWTH AND SURVIVAL OF GREEN ALGAE SCENEDESMUS SP. AT LIMITED IRRADIANCE AND CARBON DIOXIDE CONDITION,” PLANT AND ECOSYSTEM, vol. 2, no. 7, pp. 79–86, 2006, [Online]. Available: https://sid.ir/paper/145483/en

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