Large pumpkin with extensive rotting.

Close-up of infected area of fruit with white, fungal mycelium.

Close-up of infected with white, fungal mycelium around the outer edge and masses of spores in the center.

Close-up of infected with white, fungal mycelium around the outer edge and masses of spores in the center.

Infected areas of a pumpkin with a very hard, outer shell.

Infected areas of a pumpkin with a very hard, outer shell.

Infected areas of a punpkin with a very hard, outer shell.

Infected areas of a pumpkin with a very hard, outer shell.

Infected areas after incubation showing white, fungal mycelium.; Fusarium fruit rot

Infected areas after incubation showing white, fungal mycelium.; Fusarium fruit rot

Asexual spores of Fusarium solani; Fusarium fruit rot

Asexual spores of Fusarium solani; Fusarium fruit rot

Asexual spores of Fusarium solani; Fusarium fruit rot

Asexual spores of Fusarium solani; Fusarium fruit rot