Tonga's mangoes - a treat for pesky pekas and fearsome fungus

Mangoes are slowly ripening-up on trees under the hot December sun, but despite what appears to be an abundant mango season, fewer mangoes will be left for humans after the C.g. fungus spoils flowers and premature fruit, and the flying foxes or fruit bats (pekas) take their share of what is left. Agricultural expert, Semisi Pone, reveals why the season of fruitfulness in Tonga is not what it used to be, and the serious threat posed by a fruit fungus.