Mode of inheritance and combining abilities for kernel row number, kernel number per row and grain yield in maize (Zea mays L.)
2010
Bocanski, J., Faculty of Agriculture, Novi Sad (Serbia) | Sreckov, Z., Faculty of Agriculture, Novi Sad (Serbia) | Nastasic, A., Institute of Field and Vegetable Crops, Novi Sad (Serbia) | Ivanovic, M., Institute of Field and Vegetable Crops, Novi Sad (Serbia) | Djalovic, I., Institute of Field and Vegetable Crops, Novi Sad (Serbia) | Vukosavljev, M., Wagenningen University and Research Centre - WUR, Wagenningen (Netherlands)
Utilization of heterosis requires the study of combining abilities of potential parents. In view of this, the objective of this paper was to study combining abilities and determine the mode of inheritance and gene effects for the main agronomic character, grain yield and its components, kernel row number and kernel number per row. Six inbred lines were used in the study, three of which originated in the U.S., while the other three were developed at the Institute of Field and Vegetable Crops in Novi Sad (Serbia). Kernel row number was inherited by superdominance, partial dominance, complete dominance, and intermediacy. The mode of inheritance of kernel number per row and grain yield was superdominance. Additive gene action had the greatest influence on the expression of kernel row number, while the other two traits were influenced the most by nonadditive gene.
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