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Analysis of inheritance of the number of kernel rows in maize. pdf
From : Institute of Genetics of the Hungarian Academy of Sciences, Budapest
By : By L. DANIEL

Combining ability and heterosis in diallel crosses of maize.pdf
From :Division of Genetics, Indian Agricultural Research Institute, New Delhi (India)
By :B.S. Dhillon and 3. Singh
Summary:
The present investigation involved crosses among 20 elite yellow maize populations. These were evaluated in four environments in a randomized block design with four replications in each environment. Variety Cuba was observed to be the best general combiner for grain yield, followed by St Croix and Prolific. No clear association could be discerned between general combining ability (GCA)effects for grain yield and its components,and mean grain yield performance and GCA effects. Heterosis was observed in general and all the crosses involving Cuba yielded better than the midparent. The five hybrids,Kisan • Cuba, Antigua 3D • St Croix, Prolific
• St Croix, Vijay • Antigua Gr. I and A 23 • Cuba, yielded more than the standard check. Significant yield superiority of these varietal hybrids over the best commercial composite (Jawahar) suggested the possibility of their commercial exploitation.

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