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The effect of nitrogen starvation on PSI and PSII activity in pea (Pisum sativum)
Halmstad University, School of Business and Engineering (SET).
2006 (English)Independent thesis Basic level (degree of Bachelor)Student thesis
Abstract [en]

This investigation addresses how photosynthetic efficiency is affected when pea (Pisum sativum) plants are restricted to a sole nitrogen source (i.e. ammonium or nitrate). The pea plants were watered with different nutrient solutions without NO3- or NH4+ for different time-periods in order to assay for nitrogen content. The soluble ammonium and nitrate content was measured throughout the entire growth period. No major differences were observed in nitrogen content during the starvation period up to 25 days. For technical reasons, cultivation of plants could not be extended beyond this time. The chloroplasts and thylakoids were isolated after 25 days and assayed for chlorophyll contents and photosynthetic activity.

The outcome of these tests indicates a small but unambiguous decrease in the photosynthesis activity for all treatments, relative the control.

Place, publisher, year, edition, pages
Högskolan i Halmstad/Sektionen för Ekonomi och Teknik (SET) , 2006. , p. 266699 bytes
Keywords [en]
pisum sativum, plant nutrition, nitrogen, photosystem, PSI, PSII, photosynthes, chloroplast, thylakoid
Identifiers
URN: urn:nbn:se:hh:diva-143Local ID: 2082/369OAI: oai:DiVA.org:hh-143DiVA, id: diva2:237321
Uppsok
Life Earth Science
Available from: 2006-03-21 Created: 2006-03-21 Last updated: 2009-08-20

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf