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Size and shape of sampling units for estimating incidence of stem canker on oil-seed rape stubble in field plots after swathing

Published online by Cambridge University Press:  27 March 2009

C. A. Gilligan
C. A. Gilligan
Affiliation:
Department of Applied Biology, University of Cambridge, Pembroke Street, Cambridge CB2 3DX
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Extract

Further exploitation of the increasingly popular oil-seed rape crop, Brassica napus L., as a valuable break in cereal production in the U.K., is threatened by the susceptibility of the crop to a number of diseases of which the most serious is likely to be stem canker caused by Phoma lingam (Tode ex Fr. Desm.), perfect stage Leptosphaeria maculans (Desm.) Ces et de Not. (Gladders, 1977; Hewitt, 1977). This pathogen has already severely restricted the cultivation of oil-seed rape in France (Lacoste et al. 1969) and in Australia (Bokor et al. 1975; McGee & Emmett, 1977).

Information

Type
Short Notes
Information
The Journal of Agricultural Science , Volume 94 , Issue 2 , April 1980 , pp. 493 - 496
Copyright
Copyright © Cambridge University Press 1980

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References

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