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B. SANTHOSH KUMAR NAIK*, M. REDDI SEKHAR, P. SHANTHI, P. SUDHAKAR AND
P. SUJATHAMMA
Department of Genetics and Plant Breeding, S.V. Agricultural College, ANGRAU, Tirupati.
The experiment was conducted with 50 hybrids and fifteen parents which were developed through Line × Tester mating design using five male sterile lines and ten restorers as parental material evaluated over four seasons and pooled over seasons at Agricultural Research Station, Podalakur. Significant differences were observed for all the fifteen characters studied. Among fifteen parental inbred lines studied in pooled over seasons, the superior inbred lines viz., ICMR 13999, ICMR 100556 and ICMB 98222 identified based on mean performance, general combining ability effects may be utilized in the development of high yielding hybrids possessing earliness and enriched nutritional parameters and also that can fit well in different cropping windows. Among 50 hybrids studied in pooled over seasons, the superior hybrids ICMB 04999 × ICMR 100549 and ICMB 08666 × ICMR 13999 identified based on per se performance, sca and standard heterosis for grain yield and yield components over seasons could be recommended for commercial cultivation after extensive testing under MLT’s / on-farm trials.
KEYWORDS: Pennisetum glaucum, Line × Tester mating design