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Journal of Environmental Biology

pISSN: 0254-8704 ; eISSN: 2394-0379 ; CODEN: JEBIDP

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    Abstract - Issue Apr 2007, 28 (2)                                     Back


Effects of irrigation water qualities on biomass and sugar contents of sugar beet and sweet sorghum cultivars


A. Almodares* and M.E. Sharif

Department of Biology, College of Sciences, University of Isfahan, Isfahan, 81846 - 73441, Iran

(Received: March 30, 2005 ; Revised received: April 20, 2006 ; Accepted: August 08, 2006)

Abstract: An experiment involving four qualities of irrigation water, two sugar beet and three sweet sorghum cultivars was conducted in a split plot design with four replications at Rudasht Drainage and Reclamation Experiment Station in 1999. The? results showed salinity of water has an adverse effect on sugar beet and sweet sorghum biomass. Sweet sorghum cultivar SSV108 had the lowest biomass under all qualities of irrigation water. Sweet sorghum cultivar Rio had the maximum biomass with water qualities of 2, 5, and 8 dS m.-1. Sugar beet cultivar 7233 had the maximum biomass with 11 dS m-1. The effect of irrigation water quality was not significant for sugar characteristics such as brix, pol and purity. However, responses of cultivars? on the above parameters were significant and sugar beet cultivars had higher brix, pol and purity and lower invert sugar and starch than sweet sorghum cultivars. In conclusion, sweet sorghum cultivars are not? recommended to be irrigated with saline water of more than 8 dS m-1 for sugar production. Under such condition, they may be suitable to be grown for forage purposes.????

Key words: Sweet? sorghum, Sugar beet, Water quality, Sugar contents??????????????????????????????????????????????????????????????????????????????????????????????????????????????


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