Photo 1. Branch dieback and yellowing of the leaves due to sunscald of cocoa caused by exposure - lack of shade - and poor nutrition.
Cocoa sunscald & cherelle wilt
There is no scientific name for these as they are physiological conditions: (i) reaction of trees to lack of shade, and sun damage, and (ii) early death of cherelles, the young pods, by a natural fruit-thinning process.
AUTHOR Grahame Jackson
Information (and Photos 3&4) from Gerlach WWP (1988) Plant diseases of Western Samoa. Samoan German Crop Protection Project, Deutsche Gesellschaft für Technische Zusammenarbeit (GTZ) Gmbh, Germany. Photo 1 Pita Tikai, ACIAR ICM/IPM project, Solomon Islands.
Produced with support from the Australian Centre for International Agricultural Research under project PC/2010/090: Strengthening integrated crop management research in the Pacific Islands in support of sustainable intensification of high-value crop production, implemented by the University of Queensland and the Secretariat of the Pacific Community.
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