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Variability Studies and Breeding for Increased Oil Content in Rapeseed and Mustard

Published online by Cambridge University Press:  03 October 2008

A. N. Asthana
Affiliation:
IARI, Regional Research Station, Kalianpur, Kanpur
S. D. Dube
Affiliation:
IARI, Regional Research Station, Kalianpur, Kanpur
P. N. Tiwari
Affiliation:
Nuclear Research Laboratory, IARI, New Delhi, India
P. N. Gambhir
Affiliation:
Nuclear Research Laboratory, IARI, New Delhi, India
T. S. Rajan
Affiliation:
Nuclear Research Laboratory, IARI, New Delhi, India

Summary

Oil content (percentage) was determined by pulsed nuclear magnetic spectrometry to study its variability in rai (Brassica juncea) and yellow sarson (B. campestris). Wide inter-varietal and intra-varietal variability was observed in both crops. Genetic aspects of oil content were also worked out, and single-plant and bulk selection methods used for 3 years to exploit the intra-varietal variability. A positive trend in the improvement of oil percentage was observed in 27 out of 30 varieties, some of which showed significant improvements over their respective unselected stocks. A maximum increment of 7% was observed in variety BR 40 of rai and 6% in variety YSM of yellow sarson.

Type
Articles
Copyright
Copyright © Cambridge University Press 1979

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References

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