PRIYANKA. S. PATEL, N. B. PATEL, R. A. GAMI*, K. G. KUGASHIYA AND P. R. PATEL
Department of Genetics and Plant Breeding, CPCA, S.D. Agricultural University, Sardarkrushinagar (Gujarat), India
Sorghum Research Station, S. D. Agricultural University, Deesa-385 535 (Gujarat), India
Department of Seed technology, S. D. Agricultural University, Sardarkrushinagar (Gujarat), India
Pulses Research Station, S. D. Agricultural University, Sardarkrushinagar (Gujarat), India
*(e-mail : ramangami@gmail.com)
(Received : 6 September 2020; Accepted : 25 September 2020)
SUMMARY
The present investigation carried out to study per se performance and magnitude of heterosis in sorghum [Sorghum bicolor (L.) Moench]. The per se performance of parents revealed that the parent CSV 21F was top ranking for green fodder yield per plant and dry fodder yield per plant. The parent GFS 4 was found better for days to flowering, days to maturity, stem girth and protein content. The per se performance indicated that F1 hybrids GFS 4 × UTFS 91, PSVGS 313 × UTFS 91 and CSV 21F × GFS 4 recorded maximum green fodder yield per plant and dry fodder yield per plant among studied genotypes. The analysis of variance revealed highly significant differences due to genotypes for all the traits investigation which explained sufficient amount of heterosis was reflected in crosses for many of the fodder and grain yield attributing traits. Heterosis studies showed that plant height (cm), number of leaves per plant, stem girth (cm), leaf length (cm), leaf width (cm), leaf: stem ratio, green fodder yield per plant (g), and dry fodder yield per plant (g) were important forage yield components. A comparative study of best heterotic hybrid, GFS4 × UTFS 91 and PSVGS 313 × UTFS 91 for green fodder yield per plant and dry fodder yield per plant manifested significant positive heterosis over both better parent and standard check. These hybrids also exhibited significant and positive heterosis over better parent or combination of a standard check for various component traits viz., leaf width, leaf: stem ratio, dry fodder yield per plant, protein content and Brix value.
Key words:Per se performance, heterobeltiosis, standard heterosis, yield