Indian Society of Genetics & Plant Breeding

Important

HETEROSIS STUDIES FOR GRAIN YIELD CHARACTERS (IN RABI SORGHUM (SORGHUM BICOLOR (L.) MOENCH)

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Thne male llterile viz. 36 A. 1202 A and 1258 A. developed at SorahUIR Research Station,
Parbhanl,
and 11 resloren 01 diverse origin were crossed in line x tester mating design. A trial .
eollllstJna0133 h1brids 810111 with 14 parents was planted durin. rabi 198L Heterosis over better
parent WII studied lor earhead and grain. characters. Crosses with line 1258 A showed marked
hIteroaia lor primary, secondary and tertiary spikelets alongwith grain yield characters, lollowed
by line 36 A. Male parents PVR·7, PVR.2!, PD.,J·1·11and W5 gave marked heterosis lor yield
cIwaders with male sterile lines 36 A. 1202 A and 1258 A. Manllestation 01 heterosis lor grain
yield
Was due to inenased Dumber 01 seeds per earhead, earhead length, and arain size.  

Keywords: Heterosis over better parents, rabi sorghum.

Info

Year: 1990
Volume: 50
Issue: 1
Article DOI: NA
Print ISSN: 0019-5200
Online ISSN: 0975-6906

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