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Heterosis and combining ability in maize (Zea mays L.) diallel crosses [electronic resource].

By:

Ibrahim, M.H.A

Contributor(s):

El-Ghonemy, M.A

Language: English Summary language: Arabic Description: p.733-743Other title:

قوة الهجين والقدرة علي الأئتلاف في هجن الذرة [Added title page title]

Uniform titles:

Mansoura University journal of plant production, 2010 v. 1 (5) [electronic resource].

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Full Text Article.

In: Mansoura University Journal of Plant Production 2010.v.1(5)Summary: A half diallel cross among developed eight yellow maize inbred lines and made at Gemmeiza Agricultural Research Slation, Agricultural Research center (ARC), Egypt during 2007 growing season. Parents, F1 crosses plus two checks ( SC 166 and SC 3084) were evaluated at Gemmeiza and Sids Agricultural Research Stations in 2006 growing season. Data were recorded on grain yield, resistance to late wilt ,days to 50% silking , plant height and ear height. Data were genetically analyzed according to the procedures developed by Griffing (1 956) method-4 model- 1.The obtained results indicated that, mean squares associated with locations were highly significant for all studied trafts except resistance to late wilt. Also, mean squares due to genotypes and their partitions: crosses, parents and parents vs. crosses showed highly significant differences.

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A half diallel cross among developed eight yellow maize inbred lines and made at Gemmeiza Agricultural Research Slation, Agricultural Research center (ARC), Egypt during 2007 growing season. Parents, F1 crosses plus two checks ( SC 166 and SC 3084) were evaluated at Gemmeiza and Sids Agricultural Research Stations in 2006 growing season. Data were recorded on grain yield, resistance to late wilt ,days to 50% silking , plant height and ear height. Data were genetically analyzed according to the procedures developed by Griffing (1 956) method-4 model- 1.The obtained results indicated that, mean squares associated with locations were highly significant for all studied trafts except resistance to late wilt. Also, mean squares due to genotypes and their partitions: crosses, parents and parents vs. crosses showed highly significant differences.

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