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Susceptibility of Twenty One Sugarbeet Varieties to the Root-Knot Nematode
Meloidogyne incognita at West Nubariya District
- Maareg, M . F, I . M . A . Gohar And A . M . Abdel Aal
- Sugar Crops Research Institute, Agricultural Research Center, Egypt.
- The Third International Conference onIPM Role in Integrated Crop management and Impacts on Environment and Agricultural Products. 26-29 November 2005, Giza, Egypt.
Abstract
This study was carried out to evaluate twenty one sugarbeet varieties for susceptibility to Meloidogyne incognita nematode under field and greenhouse condition. The data cleared that the different sugarbeet varieties have a great variation in their susceptibility to infection with this pest. Thus could be classified according to their susceptibility into four significantly separated groups, two varieties were very highly susceptible , four were susceptible and 11 were moderately susceptible. The remaining ones, Emma, Kawemira, Marathon and Sultan were resistant and, in addition, had low reduction percentages in sugar contents under West Nubariya District conditions. So, they could be considered excellent commercial varieties for this region.
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