Physiological reaction of the species Brassica juncea (L.) Czern. on salinized soils ameliorated with zeolitic tuff, peat and perlite
Journal Title: Journal of Plant Development - Year 2017, Vol 24, Issue
Abstract
The physiological reaction of saline stress which Brassica juncea (L.) Czern. plants undergo shows a greater growth and fresh substance gain process on previously cultivated soils that were fined with 20% zeolitic tuff and 5.09 g of neutral peat than the ones that had a substrate which hasn’t been cultivated on before that was fined with 5% zeolitic tuff and 1.39 g of perlite. The dry substance values obtained present a positive correlation with the values of fresh substance. Analysis of stomatal conductance enhances the hydric stress of plants which respond to saline stress with osmotic adjustment, accumulating high quantities of water comparing to the witness plant, which induces lower values of stomatal conductance and implicitly values are decreasing for photosynthesis, determining a low productivity. Higher values of stomatal conductance are reached at plants grown on previously cultivated soils fined with 20% zeolitic tuff and peat, and also at the ones grown on uncultivated soils fined with peat (29.45, respectively 30.05 mmol/m2/s).
Authors and Affiliations
Maria Cătălina PASTIA, Lidia ADUMITRESEI, Carmen Doina JITĂREANU, Cristina SLABU
Keywords
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