Introduction of appropriate method for determining of sugar content in sugar beet produced under drought, salinity and normal conditions

In polarimetric method of sugar content determination, the extract derived from 26 g of normal sugar beet brei is considered to be 23 ml which is added to 177 ml clear solution to make a total volume of 200 ml . The increased dry matter and sugar beet pulp under any type of stress and flaccid may de...

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Autores principales:	B. Babaei, M. Abdollahian noghabi, M.R. Jahadakabr, V. Uosefabadi
Formato:	article
Lenguaje:	EN FA
Publicado:	Sugar Beet Seed Institute 2013
Materias:	cold digestion drought stress extraction flaccid hot digestion polarimetry saline stress sugar beet Agriculture S Agriculture (General) S1-972
Acceso en línea:	https://doaj.org/article/75054cb555a640318ec000372c68d0ba
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spelling	oai:doaj.org-article:75054cb555a640318ec000372c68d0ba2021-11-23T05:05:31ZIntroduction of appropriate method for determining of sugar content in sugar beet produced under drought, salinity and normal conditions10.22092/JSB.2013.12981735-0670https://doaj.org/article/75054cb555a640318ec000372c68d0ba2013-09-01T00:00:00Zhttps://jsb.areeo.ac.ir/article_1298.html?lang=enhttps://doaj.org/toc/1735-0670In polarimetric method of sugar content determination, the extract derived from 26 g of normal sugar beet brei is considered to be 23 ml which is added to 177 ml clear solution to make a total volume of 200 ml . The increased dry matter and sugar beet pulp under any type of stress and flaccid may decrease the volume of 26 g sugar beet extract from 23 ml. This study was conducted to determine the sugar content of the sugar beet produced under drought and saline conditions and also flaccid roots in the field after harvest. The studied roots were produced under normal, drought, semi-saline and saline conditions in two regions of Karaj and Isfahan in 2010. After harvest, roots were exposed to flaccidity and were tested independently as a 3×3 factorial experiment based on randomized complete block design in twelve replications. Root flaccidity factor (A) included three levels: a1- fresh root pro-duced at optimum condition with 76±1% moisture content, a2- flaccid root in about 70±1% moisture content, a3- completely flac-cid root with 65±1% moisture content, and extraction method factor (B) included three levels: b1- cold digestion extraction meth-od, b2- French method based on extract volume, and b3- hot digestion method. Sugar percentage, dry matter percentage, pulp percentage (marc), brix and electrical conductivity of all samples were measured. The results showed that root flaccidity increased the root dry matter from 24 to 32% and the pulp from 4.7 to 7.1%. No significant difference was found between conventional ex-traction with French method and hot digestion method for normal roots but differences in average saline stress (P<0.05), drought and saline stress (p<0.01) were significant. Overall, no significant difference was observed between French extraction and hot digestion methods in all conditions. No significant difference was found between conventional and French methods in the range of 24 to 27% dry matter (p<0.01). Based on the results of this study and the simplicity of cold digestion method, it is recommended to use cold digestion method for the roots with dry matter up to 27% and French method for the roots with dry matter more than 27%.B. Babaei M. Abdollahian noghabiM.R. JahadakabrV. UosefabadiSugar Beet Seed Institute articlecold digestiondrought stressextractionflaccidhot digestionpolarimetrysaline stresssugar beetAgricultureSAgriculture (General)S1-972ENFAMajallah-i Chughundar-i Qand, Vol 29, Iss 1, Pp 53-59 (2013)
institution	DOAJ
collection	DOAJ
language	EN FA
topic	cold digestion drought stress extraction flaccid hot digestion polarimetry saline stress sugar beet Agriculture S Agriculture (General) S1-972
spellingShingle	cold digestion drought stress extraction flaccid hot digestion polarimetry saline stress sugar beet Agriculture S Agriculture (General) S1-972 B. Babaei M. Abdollahian noghabi M.R. Jahadakabr V. Uosefabadi Introduction of appropriate method for determining of sugar content in sugar beet produced under drought, salinity and normal conditions
description	In polarimetric method of sugar content determination, the extract derived from 26 g of normal sugar beet brei is considered to be 23 ml which is added to 177 ml clear solution to make a total volume of 200 ml . The increased dry matter and sugar beet pulp under any type of stress and flaccid may decrease the volume of 26 g sugar beet extract from 23 ml. This study was conducted to determine the sugar content of the sugar beet produced under drought and saline conditions and also flaccid roots in the field after harvest. The studied roots were produced under normal, drought, semi-saline and saline conditions in two regions of Karaj and Isfahan in 2010. After harvest, roots were exposed to flaccidity and were tested independently as a 3×3 factorial experiment based on randomized complete block design in twelve replications. Root flaccidity factor (A) included three levels: a1- fresh root pro-duced at optimum condition with 76±1% moisture content, a2- flaccid root in about 70±1% moisture content, a3- completely flac-cid root with 65±1% moisture content, and extraction method factor (B) included three levels: b1- cold digestion extraction meth-od, b2- French method based on extract volume, and b3- hot digestion method. Sugar percentage, dry matter percentage, pulp percentage (marc), brix and electrical conductivity of all samples were measured. The results showed that root flaccidity increased the root dry matter from 24 to 32% and the pulp from 4.7 to 7.1%. No significant difference was found between conventional ex-traction with French method and hot digestion method for normal roots but differences in average saline stress (P<0.05), drought and saline stress (p<0.01) were significant. Overall, no significant difference was observed between French extraction and hot digestion methods in all conditions. No significant difference was found between conventional and French methods in the range of 24 to 27% dry matter (p<0.01). Based on the results of this study and the simplicity of cold digestion method, it is recommended to use cold digestion method for the roots with dry matter up to 27% and French method for the roots with dry matter more than 27%.
format	article
author	B. Babaei M. Abdollahian noghabi M.R. Jahadakabr V. Uosefabadi
author_facet	B. Babaei M. Abdollahian noghabi M.R. Jahadakabr V. Uosefabadi
author_sort	B. Babaei
title	Introduction of appropriate method for determining of sugar content in sugar beet produced under drought, salinity and normal conditions
title_short	Introduction of appropriate method for determining of sugar content in sugar beet produced under drought, salinity and normal conditions
title_full	Introduction of appropriate method for determining of sugar content in sugar beet produced under drought, salinity and normal conditions
title_fullStr	Introduction of appropriate method for determining of sugar content in sugar beet produced under drought, salinity and normal conditions
title_full_unstemmed	Introduction of appropriate method for determining of sugar content in sugar beet produced under drought, salinity and normal conditions
title_sort	introduction of appropriate method for determining of sugar content in sugar beet produced under drought, salinity and normal conditions
publisher	Sugar Beet Seed Institute
publishDate	2013
url	https://doaj.org/article/75054cb555a640318ec000372c68d0ba
work_keys_str_mv	AT bbabaei introductionofappropriatemethodfordeterminingofsugarcontentinsugarbeetproducedunderdroughtsalinityandnormalconditions AT mabdollahiannoghabi introductionofappropriatemethodfordeterminingofsugarcontentinsugarbeetproducedunderdroughtsalinityandnormalconditions AT mrjahadakabr introductionofappropriatemethodfordeterminingofsugarcontentinsugarbeetproducedunderdroughtsalinityandnormalconditions AT vuosefabadi introductionofappropriatemethodfordeterminingofsugarcontentinsugarbeetproducedunderdroughtsalinityandnormalconditions
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Introduction of appropriate method for determining of sugar content in sugar beet produced under drought, salinity and normal conditions

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