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Pollination studies with highly-inbred lines of winter beans (Vicia faba L.)

Published online by Cambridge University Press:  27 March 2009

Gillian Toynbee-Clarke
Gillian Toynbee-Clarke
Affiliation:
Plant Breeding Institute, Trumpington, Cambridge
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Summary

Pollination treatments were carried out on highly inbred lines of winter beans over a period of four years.

Tripping produced an inferior seed-set compared with all treatments involving emasculation and hand pollination with either cross or self-pollen. It is suggested that with highly inbred lines the stigmatic surface requires some form of scarification to improve the seed-set. Most lines showed no preference for cross or self-pollen, and there was no evidence of self-incompatibility. Bud and mature flower pollination gave an improved seed-set over tripping in all lines.

One inbred line gave a high seed-set in all pollination treatments. Results from another line were consistent with a short period of ovule receptiveness.

Using data obtained from three experiments, two self-pollination treatments were used to screen breeding lines for their suitability as components of synthetic varieties. Significant differences in seed-set were found between the lines.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 77 , Issue 2 , October 1971 , pp. 213 - 217
Copyright
Copyright © Cambridge University Press 1971

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References

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