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Abo El Ftooh,, A., Badawy, O., Abd El Rahman, M. (2007). SCREENING OF NINETEEN NEW SUGARBEET (Beta vulgaris L .) VARIETIES FOR THE TORTOISE BEETLE, (Cassida vittata VILL.) RESISTANCE AND YIELD AT NUBARYIA REGION, EGYPT.. Journal of Plant Protection and Pathology, 32(1), 653-660. doi: 10.21608/jppp.2007.219407
A. A. Abo El Ftooh,; O. M. Badawy; M. M Abd El Rahman. "SCREENING OF NINETEEN NEW SUGARBEET (Beta vulgaris L .) VARIETIES FOR THE TORTOISE BEETLE, (Cassida vittata VILL.) RESISTANCE AND YIELD AT NUBARYIA REGION, EGYPT.". Journal of Plant Protection and Pathology, 32, 1, 2007, 653-660. doi: 10.21608/jppp.2007.219407
Abo El Ftooh,, A., Badawy, O., Abd El Rahman, M. (2007). 'SCREENING OF NINETEEN NEW SUGARBEET (Beta vulgaris L .) VARIETIES FOR THE TORTOISE BEETLE, (Cassida vittata VILL.) RESISTANCE AND YIELD AT NUBARYIA REGION, EGYPT.', Journal of Plant Protection and Pathology, 32(1), pp. 653-660. doi: 10.21608/jppp.2007.219407
Abo El Ftooh,, A., Badawy, O., Abd El Rahman, M. SCREENING OF NINETEEN NEW SUGARBEET (Beta vulgaris L .) VARIETIES FOR THE TORTOISE BEETLE, (Cassida vittata VILL.) RESISTANCE AND YIELD AT NUBARYIA REGION, EGYPT.. Journal of Plant Protection and Pathology, 2007; 32(1): 653-660. doi: 10.21608/jppp.2007.219407

SCREENING OF NINETEEN NEW SUGARBEET (Beta vulgaris L .) VARIETIES FOR THE TORTOISE BEETLE, (Cassida vittata VILL.) RESISTANCE AND YIELD AT NUBARYIA REGION, EGYPT.

Article 4, Volume 32, Issue 1, January 2007, Page 653-660  XML PDF (664.48 K)
Document Type: Original Article
DOI: 10.21608/jppp.2007.219407
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Authors
A. A. Abo El Ftooh,1; O. M. Badawy2; M. M Abd El Rahman1
1Sugar Crops Res. Dept., Nubaryia, Sugar Crops Res. Inst. Agric. Res. Center, Egypt
2Dept. of Breeding and Genetics, Agric. Res. Station (Sabahia), Alex. Sugar Crops Res. Inst. Agric. Res. Center, Egypt.
Abstract
This study was carried out to evaluation nineteen new sugar beet varieties for susceptibility or resistance to most dominate insect, tortoise beetle, C. vittata and productive yield, under field  conditions at west Nubaryia region during two successive seasons,2003/04 and 2004/05. The results indicated that the tortoise beetle, C. vittata appeared from January with an average of 1.3 individual/plant in both seasons 2003/04 and 2004/05 , and significantly increased up to maximum  population at harvest time (Jun) 54.9 and 60.2 individual/plant in the first and second season, respectively  . The results also, reveled that the different sugar beet varieties  have great variation in their susceptibility to infestation with the tortoise beetle, C. vittata .Those could be classified according to their susceptibility into four significantly separated groups, five were highly susceptibility, six were susceptibility and five were moderately susceptibility . The remaining ones, S814 as (monogram variety) , Mareapo breama poly and Nejma as (polygram varieties) were relatively resistant to C. vittata   and best ones in yield components and sucrose% under Nubaryia conditions. These varieties could be used as commercial varieties at west Nubaryia region in Egypt.
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