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Evaluation of some newly developed yellow maize inbred lines for combining ability in two locations [electronic resource].

By:

Barakat, A. A

Contributor(s):

Osman, M. M. A

Language: English Summary language: Arabic Description: p.4667-4679Other title:

تقييم بعض سلالات الذرة الصفراء الجديدة للقدرة التآلفية في موقعين [Added title page title]

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Mansoura University journal of agricultural sciences, 2008 v. 33 (7) [electronic resource].

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In: Mansoura Unviersity Journal of Agricultural Sciences 2008.v.33(7)Summary: Thirteen new yellow maize inbred lines were top crossed to three tester, lines (Gm. 1002, Gm. 1004 and Gm. 1021) during summer season of 2006. The resultant 39 top crosses with three single crosses checks Le. 155, 3084 and 3080 wereevaluated for grain yieid, days to 50 % siiking, resistance to iate wilt disease, plantand ear heights traits at Gemmeiza and Nubaria Agricultural Research Stations in2007 summer season. Mean squares for locations exhibited highly significant differences for all of the studied traits. Variances of crosses and their partitions ;Lines (L), Testers (1) and Lx T interaction were hi9hly significant over locations and their combined data variances for each of crosses. lines and testers by location andLine x Tester x lac. were high!" significant in the two locations and combined data.

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Thirteen new yellow maize inbred lines were top crossed to three tester, lines (Gm. 1002, Gm. 1004 and Gm. 1021) during summer season of 2006. The resultant 39 top crosses with three single crosses checks Le. 155, 3084 and 3080 wereevaluated for grain yieid, days to 50 % siiking, resistance to iate wilt disease, plantand ear heights traits at Gemmeiza and Nubaria Agricultural Research Stations in2007 summer season. Mean squares for locations exhibited highly significant differences for all of the studied traits. Variances of crosses and their partitions ;Lines (L), Testers (1) and Lx T interaction were hi9hly significant over locations and their combined data variances for each of crosses. lines and testers by location andLine x Tester x lac. were high!" significant in the two locations and combined data.

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