Bob Morris
Bob Morris is a horticulture expert living in Las Vegas and professor emeritus for the University of Nevada. Visit his blog at xtremehorticulture.blogspot.com. Send questions to Extremehort@aol.com.
Without flowering it’s impossible for a fruit tree to produce fruit. If the tree flowered in previous years but not this year, then it is either something you did that contributed to its lack of flowering or something inherent to those varieties of fruit trees.