Floyd Zaiger with "Zaiger's brides" at night in front of a test block of flowering trees. Hand-pollinated trees in barrels are covered with cheesecloth nets, which keeps stray bees from pollinating flowers with uncontrolled pollen. These draped trees are called "Zaiger's brides" by employees. Floyd Zaiger (Born 1926) is a biologist who is most noted for his work in fruit genetics. Zaiger Genetics, located in Modesto, California, USA, was founded in 1958. Zaiger has spent his life in pursuit of the perfect fruit, developing both cultivars of existing species and new hybrids such as the pluot and the aprium. Fruit trees in bloom -MODEL RELEASED. 1983.