questions: telling that he has 5 numbers of banana numbers in the backtard of his kitchen. but now pseudostem borers are causing damages in all the plants. so, asking the control measure for the same. 
 answers: suggested to spray malathion 50ec @ 1 milli litre per litre of water. also suggested to apply carbofuran 3g @ 40 gram per plant in trench method to get rid off from such pseudostem borers.