Oliver, Richard Peter; Solomon, Peter
A cursory glance at old textbooks of plant pathology reveals that the diseases which are the current scourge of agriculture in many parts of the world are a different set from those that were prominent 50 or 100 years ago. Why have these new diseases arisen? The traditional explanations subscribe to the quot;nature abhors a vacuumquot; principle - that control of one disease creates the condition for the emergence of a replacement - but does little to explain why the new pathogen succeeds. The...[Show more]
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