Texas phoenix palm decline known to attack palm trees in Florida. The introduction of this disease has left the state of Florida struggling to control the potential damage to palm trees in landscapes statewide. It has been observed to almost exclusively attack the Canary Island palm, but is seen on other species. Since 2009, Texas Phoenix palm disease is known to severely affect the "Phoenix spp." and "Sabal spp." palm trees: Canary Island date palm, silver or sylvester date palm, Queen palm, Sabal palm, and cabbage palm. All of these trees have been observed to have the same symptoms. The complete host range of
Fruit tree forms Fruit tree forms Fruit trees are grown in a variety of shapes, sometimes to please the eye but mainly to encourage fruit production. The form or shape of fruit trees can be manipulated by pruning and training. Shaping and promoting a particular tree form is done to establish the plant in a particular situation under certain environmental conditions, to increase fruit yield, and to enhance fruit quality. For example, pruning a tree to a pyramid shape enables trees to be planted closer together. An open bowl or cup form helps sunlight penetrate the canopy, thus encouraging a high fruit yield