BALM, Fla. (UF/IFAS) — If you savor the sights of caladium, gerbera and other ornamental plants, you can thank Zhanao Deng for developing better varieties. In his three-decade career, Deng beams with pride over new types of caladium and gerbera he’s bred that are more resistant to diseases. He’s also happy with his lantana varieties, which are genetically sterilized and …