Cadmium Tolerance of Rice (Oryza Sativa L.) Effects on Plant Growth and Physiology

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dc.contributor.author Wijayawardhana, D.
dc.contributor.author Herath, V.
dc.contributor.author Weerasinghe, P.A.
dc.date.accessioned 2020-07-17T11:28:51Z
dc.date.available 2020-07-17T11:28:51Z
dc.date.issued 2019-12
dc.identifier.citation Sri Lankan Journal of Agriculture and Ecosystems- Volume: 1, Issue:2, (December, 2019), pp 80-93 en_US
dc.identifier.issn 2673 -1401
dc.identifier.uri http://repository.rjt.ac.lk/handle/123456789/2745
dc.description.abstract The effects of cadmium (Cd) toxicity on plant growth and physiology were investigated in rice (Oryza sativa L.) grown in sand medium. Suwandel and Bg300 rice varieties were evaluated against 0, 0.5 and 3 mg kg-1 Cd levels using thirteen plant growth and physiological parameters. The only parameter that influenced by the rice variety and Cd level interaction effect was the transpiration rate. All other parameters were not changed significantly by the said interaction effect. Cadmium level of 3 mg kg-1 significantly decreased the shoot dry weight and photosynthetic rate. It also increased the transpiration rate of Suwandel variety. Hence, 3 mg kg-1 level was the most critical one for shoot dry weight, photosynthetic rate and transpiration rate. However, Cd levels were not significantly changed plant height, leaf area, root dry weight, death leaf percentage, relative leaf chlorophyll content, stomatal conductance to H2O, intercellular CO2 concentration, computed leaf temperature, cell membrane permeability and relative water content. This concluded that Bg300 and Suwandel can compensate the toxic effects exerted by 0.5 and 3 mg kg-1 Cd levels without affecting the plant growth and physiology. en_US
dc.language.iso en_US en_US
dc.publisher Rajarata University of Sri Lanka - Faculty of Agriculture en_US
dc.subject Plant Cd responses en_US
dc.subject Growth en_US
dc.subject Photosynthesis en_US
dc.subject Water relations en_US
dc.title Cadmium Tolerance of Rice (Oryza Sativa L.) Effects on Plant Growth and Physiology en_US
dc.type Article en_US


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