Details of the principal weeds in banana plantations on the east coast of Madagascar and their control.
Oxadiazon was sprayed two days after transplanting banana stools and before weed emergence at rates of 1, 2, 4 and 8 kg/ha in 500 litres spray. Twenty-six days later it was necessary to spray Banasol (MSMA + diuron) between the rows and 60 days after the original treatment hand-weeding was required on areas which had received the lower rates of oxadiazon. Grass weeds predominated in all plots, especially Paspalum conjugatum and Echinochloa crus-galli. Principal weeds are listed with comments on their characteristics and reaction to herbicides. (See also WA 21, 1290.)