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Witches' broom is an important Southern and Central American disease of cocoa that is estimated to reduce annual world production by some six to seven percent. The disease is still spreading into currently unaffected cocoa-producing areas. This book describes the results of an a…
Witches' broom is an important Southern and Central American disease of cocoa that is estimated to reduce annual world production by some six to seven percent. The disease is still spreading into currently unaffected cocoa-producing areas. This book describes the results of an a…