sentence: Interestingly , there was no significant difference in the structure of the gut microbiota of G. molesta that fed on peaches ( P ) and nectarines ( N ) ( PERMANOVA : R = 0.550 , p = 0.101 ) , but the difference between the peach-feeding group ( P ) and the peach shoot-feeding group ( PS ) was significant ( PERMANOVA : R = 0.564 , p = 0.001 ) .