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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 ,
S. D. Dube ,
P. N. Tiwari ,
P. N. Gambhir  and
T. S. Rajan
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
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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
Information
Experimental Agriculture , Volume 15 , Issue 1 , January 1979 , pp. 65 - 71
Copyright
Copyright © Cambridge University Press 1979

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References

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