Question: asking about control of sigatoka leaf spot 
Answer: told him that remove affected leaves and burn. spray any one of the following fungicides commencing from november at monthly interval.  carbendazim 1 g/lit., benomyl 1 g/lit., mancozeb 2 g/lit., copper oxychloride 2.5 g/lit., ziram 2 ml/lit, saaf @ 2ml/lit of water spray 3 time at 5 days interval