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DOI Prefix 10.20431 |
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International Journal of Research Studies in Agricultural Sciences
Volume-2 Issue-1, 2016, Page No: 1-5
Productivity and Resistance of Parental Forms and Hybrid of Sugar Beet Which are Tolerant to Rhizomania Disease
Uchkunov.I1, S.Raykov1, V. Uchkunov2, K. Tanova1*, А. Mehmed2
1.Konstantin Preslavsky University of Shumen- Shumen
2.Agricultural Institute of Shumen - Shumen
2.Agricultural Institute of Shumen - Shumen
Citation : Uchkunov.I., S.Raykov, V. Uchkunov, K. Tanova, А. Mehmed, Productivity and Resistance of Parental Forms and Hybrid of Sugar Beet Which are Tolerant to Rhizomania Disease International Journal of Research Studies in Agricultural Sciences . 2016;2(1):1-5.
Abstract
The selected varieties and hybrids of sugar beet tolerant to the viral Rhizomania disease / Beet necrotic yellow virus / is one of the innovative fields in the selection of sugar beet. The aim of the present research is to track the economic properties of the new sugar beet hybrids tested under conditions of absence of the viral disease. It is found that among the tests new hybrids outweigh the group standard by 6.7% in yield of white sugar. Hybrids tolerant to the disease have a higher resistance to fungal diseases cercospora / Cercospora betikola /and mildew /Erysiphe communis. It has been found that the decay of roots in the tolerant to Rhizomania hybrids had proved to be lower (52%) than that of the standard.
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