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Effects of timing of Leptosphaeria maculans ascospore release and fungicide regime on phoma leaf spot and phoma stem canker development on winter oilseed rape (Brassica napus) in southern England |
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| Authors: | J S West † B D L Fitt P K Leech J E Biddulph Y-J Huang M-H Balesdent |
| Institution: | IACR –Rothamsted, Harpenden, AL5 2JQ, UK;and;INRA –Versailles, Route de St Cyr, Versailles Cedex, France |
| Abstract: | |
| Keywords: | ascospore numbers crown canker Phoma lingam phoma stem lesions pseudothecia |