Journal of Crop Science and Biotechnology, Volume (17), No (2), Year (2014-6) , Pages (59-69)

Title : ( Growth Analysis of Rhizomania Infected and Healthy Sugar Beet )

Authors: javad rezaei , Mohammad Bannayan Aval , Ahmad Nezami , Mohsen Mehrvar , Bagher Mahmoodi ,

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Viral disease of rhizomania is one of the most important diseases of sugar beet all over the world. The disease significantly has reduced the yield and quality of sugar beet, and has imposed high economic loss to farmers. Long-term breeding programs to introduce tolerant cultivars are the only chance of avoiding further yield losses. This study tried to measure and analyze the growth of shoots and roots of rhizomania-tolerant and -susceptible sugar beet with the aim of providing information for modeling of the rhizomania effects on the growth of sugar beet. Growth indices were used for analyzing, quantification, and time-course of sugar beet growth under infested and non-infested soils conditions. A 2-year experiment was conducted using four sugar beet cultivars in 2010 and 2011 in Mashhad, Iran. The results of this study showed that under infested soils, root dry matter and leaf area index of the susceptible cultivars in comparison to tolerant cultivars were lower by 57 and 24%, respectively. In addition, crop growth rate and net assimilation rate of susceptible cultivars were affected by rhizomania and were lower than in tolerant cultivars. On non-infested soil, the difference between dry matter and growth indices of susceptible and tolerant sugar beet cultivars was not significant. Rhizomania decreased green area and photosynthesis capacity and led to lower growth rate and dry matter production. Our study quantified the growth of rhizomania-infested sugar beet plants in comparison with non-infested plants and provided information to be used for modeling of the rhizomania effects on the growth of sugar beet. thermal time


, beet necrotic yellow vein virus, Beta vulgaris L., growth indices, sugar beet growth curves,
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author = {Rezaei, Javad and Bannayan Aval, Mohammad and Nezami, Ahmad and Mehrvar, Mohsen and Bagher Mahmoodi},
title = {Growth Analysis of Rhizomania Infected and Healthy Sugar Beet},
journal = {Journal of Crop Science and Biotechnology},
year = {2014},
volume = {17},
number = {2},
month = {June},
issn = {1975-9479},
pages = {59--69},
numpages = {10},
keywords = {beet necrotic yellow vein virus; Beta vulgaris L.; growth indices; sugar beet growth curves;},


%0 Journal Article
%T Growth Analysis of Rhizomania Infected and Healthy Sugar Beet
%A Rezaei, Javad
%A Bannayan Aval, Mohammad
%A Nezami, Ahmad
%A Mehrvar, Mohsen
%A Bagher Mahmoodi
%J Journal of Crop Science and Biotechnology
%@ 1975-9479
%D 2014