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Ramularia beticola in sugar-beet seed crops in England

Published online by Cambridge University Press:  27 March 2009

W. J. Byford
W. J. Byford
Affiliation:
Broom's Barn Experimental Station, Higham, Bury St Edmunds, Suffolk
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Summary

Ramularia beticola was prevalent in sugar-beet seed crops in Oxfordshire, Gloucestershire and Lincolnshire in July each year from 1966 to 1971, and defoliated some crops prematurely. It was scarce in Bedfordshire, Huntingdonshire and Essex, and this distribution could not be related to method of growing the crop or density of plant stand. A method is described for assessing leaf spot incidence in beet seed crops after bolting is complete. Fungicide sprays delayed disease development by ca. 2½ weeks.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 85 , Issue 2 , October 1975 , pp. 369 - 375
Copyright
Copyright © Cambridge University Press 1975

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References

REFERENCES

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