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Line x tester analysis for evaluation of new maize inbred lines [electronic resource].

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Mosa, H.E

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Language: English Summary language: Arabic Description: p.7195-7206Other title:

تحليل السلالة في الكشاف لأجل تقييم سلالات جديدة من الذرة الشامية.‪ [Added title page title]

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Mansoura University journal of agricultural sciences, 2008 v. 33 (10) [electronic resource].

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In: Mansoura Unviersity Journal of Agricultural Sciences 2008.v.33(10)Summary: Ninety nine yellow inbred lines were divided into four sets where each set contained 25,25,25and24 lines, respectively. These lines were top crossed with two yellow inbred line testers in 2004 summer season at Sakha Agriculture Research Station. All hybrids were evaluated for days to 50% silking as well as grain yield at two locations in 2oo5season, The best single crosses from four sets along with two checks i.e.SC155 and SC pioneer 3084 were evaluated during 2007 season. The results indicated that the mean squares variances of locations, lines, testers and lines by testers were highly significant for all traits, except for testers for silking date of set3 and set-4. Silking date and grain yield traits were affected by non additive gene action for all sets, except for grain yield in set-2.

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Ninety nine yellow inbred lines were divided into four sets where each set contained 25,25,25and24 lines, respectively. These lines were top crossed with two yellow inbred line testers in 2004 summer season at Sakha Agriculture Research Station. All hybrids were evaluated for days to 50% silking as well as grain yield at two locations in 2oo5season, The best single crosses from four sets along with two checks i.e.SC155 and SC pioneer 3084 were evaluated during 2007 season. The results indicated that the mean squares variances of locations, lines, testers and lines by testers were highly significant for all traits, except for testers for silking date of set3 and set-4. Silking date and grain yield traits were affected by non additive gene action for all sets, except for grain yield in set-2.

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