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Phytophthora megakarya is an oomycete plant pathogen that causes black pod disease in cocoa trees in west and central Africa. This pathogen can cause detrimental loss of yield in the economically important cocoa industry, worth approximately $70 billion annually. It can damage any part of the tree, causing total yield losses which can easily reach 20-25%. A mixture of chemical and cultural controls, as well as choosing resistant plant varieties, are often necessary to control this pathogen.

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  • Phytophthora megakarya is an oomycete plant pathogen that causes black pod disease in cocoa trees in west and central Africa. This pathogen can cause detrimental loss of yield in the economically important cocoa industry, worth approximately $70 billion annually. It can damage any part of the tree, causing total yield losses which can easily reach 20-25%. A mixture of chemical and cultural controls, as well as choosing resistant plant varieties, are often necessary to control this pathogen. (en)
  • Phytophthora megakarya est une espèce de pseudo-champignons oomycètes de la famille des Peronosporaceae, endémique de l'Afrique occidentale et centrale (Cameroun, Ghana, Nigeria). C'est un parasite du cacaoyer (Theobroma cacao) qui est sont seul hôte connu. Ce phytophthora est l'un des agents causaux, et le plus agressif, de la maladie dite pourriture brune des cabosses du cacaoyer. L'origine de Phytophthora megakarya est inconnue. Cet oomycète a été observé pour la première fois sur cacaoyer au Gabon et au Nigeria en 1970, alors que la culture du cacaoyer a été introduite en Afrique au cours du XIXe siècle. Ce parasite se trouvait peut-être sur d'autres espèces végétales non-identifiées et aurait effectué un « saut d'hôte » à la rencontre du cacaoyer, ou pourrait avoir une origine tellurique. (fr)
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  • Phytophthora (en)
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  • megakarya (en)
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  • Phytophthora megakarya is an oomycete plant pathogen that causes black pod disease in cocoa trees in west and central Africa. This pathogen can cause detrimental loss of yield in the economically important cocoa industry, worth approximately $70 billion annually. It can damage any part of the tree, causing total yield losses which can easily reach 20-25%. A mixture of chemical and cultural controls, as well as choosing resistant plant varieties, are often necessary to control this pathogen. (en)
  • Phytophthora megakarya est une espèce de pseudo-champignons oomycètes de la famille des Peronosporaceae, endémique de l'Afrique occidentale et centrale (Cameroun, Ghana, Nigeria). C'est un parasite du cacaoyer (Theobroma cacao) qui est sont seul hôte connu. Ce phytophthora est l'un des agents causaux, et le plus agressif, de la maladie dite pourriture brune des cabosses du cacaoyer. (fr)
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  • Phytophthora megakarya (en)
  • Phytophthora megakarya (fr)
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