On the West Coast, powdery mildew is a barrier to zucchini production. Tromboncino not at all. Is it resistant to disease because it is in the heavens? It thrives. It produces giants. It branches up and out. Some of the flowers are grapefruit sized.
When two pollen-laden bumblebees delve into the male flower will they fight it out for the privilege of carrying their pollen to the female flower? (If in doubt, the concerned gardener can grab a pencil sized stick, and transfer some yellow gold pollen to the female flower, which is receptive for about 24 hours.)
Tromboncino 101 