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Research Journal of Environmental Sciences
  Year: 2009 | Volume: 3 | Issue: 1 | Page No.: 103-109
DOI: 10.3923/rjes.2009.103.109
 
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Evaluation of Water Stress and Nitrogen Fertilizer Effects on Relative Water Content, Membrane Stability Index, Chlorophyll and Some Other Traits of Lentils (Lens culinaris L.) Under Hydroponics Conditions

M. Salehpour, A. Ebadi, M. Izadi and Sh. Jamaati-e-Somarin

Abstract:
In order to investigate the response of Lentil cultivar Gachsaran to nitrogen and water stress under hydroponics conditions, a factorial experiment based on randomized complete block design was conducted with three replications using Hoagland nutrient solution without nitrogen, at the growth chamber in 2007, Ardebil, Iran. Factors were four water stress levels (0, -0.6, -0.9 and -1.2 MPa) prepared with polyethylene glycol (PEG) and three nitrogen levels (0, 0.5 and 1.0 Mmol). Results showed that all traits were decreased with increasing stress. Both treatments had significant effects on Relative Water Content (RWC), Leaf Chlorophyll Content (LCC), Leaf Area (LA), length, height and dry weight of stem and Total Biomass (TB) and their interaction effects on LCC (before and after stress), LA (p<0.05) and on length and dry weight of stem (p<0.01). The most values of RWC, LCC, LA, length and dry weight of stem and total biomass were obtained using 0.5 Mmol nitrogen is sufficient and higher values is not recommended because of its preventive effect on nitrogen fixation in plant.
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How to cite this article:

M. Salehpour, A. Ebadi, M. Izadi and Sh. Jamaati-e-Somarin, 2009. Evaluation of Water Stress and Nitrogen Fertilizer Effects on Relative Water Content, Membrane Stability Index, Chlorophyll and Some Other Traits of Lentils (Lens culinaris L.) Under Hydroponics Conditions. Research Journal of Environmental Sciences, 3: 103-109.

DOI: 10.3923/rjes.2009.103.109

URL: https://scialert.net/abstract/?doi=rjes.2009.103.109

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