Effects of methanol on yield and some quality characteristic of sugar beet (Beta vulgaris L.) in drought stress condition
Abstract A study was conducted to evaluate the effects of Methanol on yield and some Quality Characteristic of Sugar Beet (Beta vulgaris L.) in drought stress condition in Maahdasht (Karaj, Iran), in 2012. Aqueous solutions were 0(control), 7, 14, 21 and 28 (v/v) methanol. Second factor was irrigation regime 1.normal irrigation (irrigation after 40% depletion of available water), 2.mild drought stress (irrigation after 60% depletion of available water) and 3.severe drought stress (irrigation after 70% depletion of available water). Irrigation system was dripping irrigation system (Tape) in this study. These solutions were sprayed overhead three times in two-week intervals on foliage parts of sugar beet. Results of this experiment indicated that there was a significant difference between effects of solutions on root yield, leaf yield, white sugar yield, molasses, white sugar content, N and Na concentrations. The best of root yield, leaf yield and white sugar yield was gained in 7% (v/v) of methanol with 76.62, 61.72 and 9.91(ton/h), respectively. There was also significant difference among three levels of irrigations on root yield, leaf yield, sugar content and K and N concentrations of white sugar content.
Abstract
A study was conducted to evaluate the effects of Methanol on yield and some Quality Characteristic of Sugar Beet (Beta vulgaris L.) in drought stress condition in Maahdasht (Karaj, Iran), in 2012. Aqueous solutions were 0(control), 7, 14, 21 and 28 (v/v) methanol. Second factor was irrigation regime 1.normal irrigation (irrigation after 40% depletion of available water), 2.mild drought stress (irrigation after 60% depletion of available water) and 3.severe drought stress (irrigation after 70% depletion of available water). Irrigation system was dripping irrigation system (Tape) in this study. These solutions were sprayed overhead three times in two-week intervals on foliage parts of sugar beet. Results of this experiment indicated that there was a significant difference between effects of solutions on root yield, leaf yield, white sugar yield, molasses, white sugar content, N and Na concentrations. The best of root yield, leaf yield and white sugar yield was gained in 7% (v/v) of methanol with 76.62, 61.72 and 9.91(ton/h), respectively. There was also significant difference among three levels of irrigations on root yield, leaf yield, sugar content and K and N concentrations of white sugar content.
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J. Bio. & Env. Sci. 2014<br />
Sugar wastage was estimated as 0.6 <strong>in</strong> <strong>sugar</strong> factory.<br />
Also, the white <strong>sugar</strong> <strong>yield</strong> was measured by these<br />
equati<strong>on</strong>s:<br />
White <strong>sugar</strong> <strong>yield</strong> (t/ha) = root <strong>yield</strong> (t<strong>on</strong> [fresh<br />
weight]/ha) ×white <strong>sugar</strong> c<strong>on</strong>tent (%).<br />
Molasses Amount is estimated based <strong>on</strong> potassium<br />
sodium <strong>and</strong> Nitrogen by <strong>on</strong>e <str<strong>on</strong>g>of</str<strong>on</strong>g> the most comm<strong>on</strong><br />
experimental formulas gathered.<br />
Statistical analysis<br />
The SAS was used to analyze all the data <strong>and</strong> means<br />
were compared by the least significant differences<br />
(LSD) test at 0.05 probability level.<br />
Results <strong>and</strong> Discussi<strong>on</strong><br />
Study<strong>in</strong>g <str<strong>on</strong>g>methanol</str<strong>on</strong>g>’s effect <strong>on</strong> qualitative <strong>and</strong><br />
quantitative properties <str<strong>on</strong>g>of</str<strong>on</strong>g> <strong>sugar</strong> <strong>beet</strong><br />
The results <str<strong>on</strong>g>of</str<strong>on</strong>g> variance analysis showed that there<br />
were significant differences (p
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