I've made a list of useful links wich are connected with bananas. Some of them have already been mentioned earlier. Anyway I hope it can be useful
Freshplaza Probably one of the most useful and infomative resourse
Fruitnet Global fresh produce portal. At about 2-3 news about bananas weekly
EcuadorASOCIACION DE EXPORTADORES DE BANANO DEL ECUADOR A.E.B.E. There one can find minimal official export price for bananas.
Fresh-Market Polish and east Europe fruit news.
Fruitnews Russia
Banana statistics Not very fresh statistics but may be useful