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The relationship between number of seeds and the frequency of ovule fertilization in field beans (Vicia faba L.)

Published online by Cambridge University Press:  27 March 2009

G. G. Rowland  and
D. A. Bond
G. G. Rowland
Affiliation:
Crop Development Centre, University of Saskatchewan, Saskatoon, Canada S7N 0W0
D. A. Bond
Affiliation:
Plant Breeding Institute, Maris Lane, Trumpington, Cambridge, CB2 2LQ
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Summary

A correlation coefficient of r = 0·985 (P < 0·01) between the number of fertilized ovules at each cultivar-ovule position (Rowland, Bond & Parker, 1983) and the number of mature seeds for each cultivar-ovule position indicated an extremely close relationship between fertilized ovules and seed set in four field bean cultivars. This suggests that unreliability in seed yield in field beans could be due to variability in frequency of fertilization as well as in frequency of abortion of seeds and of whole pods.

Frequency of ovule abortion occurred differentially among cultivars and this abortion rate varied according to the flowering node and flower position within a raceme. Under stress conditions single-seeded pods were preferentially aborted. The data suggest that a way to increase the average number of seeds per pod is through increased frequency of ovule fertilization.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 100 , Issue 1 , February 1983 , pp. 35 - 41
Copyright
Copyright © Cambridge University Press 1983

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References

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