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GCSE Biology · key term
A non-living cause of a plant problem, such as drought, unsuitable growing conditions or mineral deficiency.
Used by Edexcel
Specification 5.11B · Paper 1
Revise: Identifying Plant DiseasesEliminating plausible environmental causes makes a disease diagnosis more convincing, although field observations may not settle the question completely.
A symptom such as yellowing does not, by itself, identify a pathogen: first consider environmental causes such as mineral deficiency.
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