Entwistle, P.F. 1958 Mealybug studies.. Annual Report of the West African Cacao Research Institute 1957-58: 31-36.
Notes: This paper discusses control trials for Pseudococcus njalensis, the principal vector of swollen-shoot disease in Ghana.
Entwistle, P.F. 1958 Mealybug studies.. Annual Report of the West African Cacao Research Institute 1957-58: 31-36.
Notes: This paper discusses control trials for Pseudococcus njalensis, the principal vector of swollen-shoot disease in Ghana.