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Breeding sunflower for semi-arid regions

Published online by Cambridge University Press:  27 March 2009

N. A. Ghanavati
Affiliation:
Seed and Plant Improvement Institute, Karaj, Iran
E. Nahavandi
Affiliation:
Seed and Plant Improvement Institute, Karaj, Iran
A. Ghaderi
Affiliation:
Department of Crop and Soil Sciences, Michigan State University, U.S.A.

Summary

A breeding programme was initiated to develop populations of sunflower (Helianthus annuus L.), suitable for the semi-arid regions of Iran. Crosses were made between Chernianka 66 (having low yield, low oil content, short stem, and early maturity), as the female parent and VNIMK 8931 and Record (having high yield, high oil content, long stem, and late maturity) as the male parents. Selection, together with selfing and sib-crossing, resulted in six populations with high yields, high oil content, short stems, and early maturity.

Correlation coefficients of oil yield and its components, i.e. seed yield and oil content, were highly significant and significant respectively. Capitulum diameter had highly significant correlations with seed yield and oil yield. Earlier maturity was associated with shorter stems and lower oil content.

Type
Research Article
Copyright
Copyright © Cambridge University Press 1981

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References

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