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E The Use of Insecticides
The Relat1onsh1ps between V1ruses from Cacao and Those
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Adansonia digitata African Cocoa Research Annual Report Anon apparently healthy trees appears Attafuah b.sc Baker & Dale Belgian Congo Biol cacao in West Cacao Research cacao swollen shoot cacao viruses canopy capsid cent chlamydantha Cocoa Conference Cocoa Res Cocoa Research Institute College of Tropical control measures coppiced Cornwell Crowdy D. J. TAYLOR Dale die-back diseases of cacao ebove oe ebove effect eradication measures eueehete found with symptoms fungus Ghana Gold Coast Ibadan Igbo infected trees insecticides investigations isolates Ivory Coast Juaben leaf symptoms lesions Lister & Thresh mealybug populations method mild strains mirid damage mottle Nigeria njalensis occur outbreaks phloem plants pods Posnette & Todd Report on Cacao rigidiuscula seedlings shade singularis species spraying spread of virus Strickland swollen shoot disease swollen shoot virus Tafo theobroma Tinsley tissue transmitted Trinidad Tropical Agriculture unpublished information vectors virulent Virus diseases Virus research virus spread WACRI West African Cocoa xylem