The introduction of Callery pear (Pyrus calleryana) serves as a cautionary tale of how good intentions can sometimes go wrong. This native of southeastern Asia was imported to the United States in the early 20th century for use in breeding programs to increase fire blight resistance in common pears. Before long it

2024年1月26日 · Calleryana pear and fire blight resistant Old Home x Farmingdale series of rootstocks Calleryana pear, ( Pyrus calleryana ), is the preferred rootstock for pears and Asian pears. Both types of pears are also propagated onto Betulaefolia ( Pyrus betulifolia ), but tend to be more susceptible to fire blight on this rootstock.

2020年8月11日 · Callery Pear: History, Identification, and Control . August 11, 2020; Posted by: Nancy Loewenstein, David Russell, and Stephen Enloe

2024年3月15日 · Callery or ‘Bradford’ pear (Pyrus calleryana) The popular cultivar ‘Bradford’ was considered sterile, but with the introduction of new cultivars, seeds are now produced in abundance. Spreading rapidly, escaped Callery pear trees are most noticeable when blooming in the spring. Naturalized plants often have thorns.

2024年7月5日 · After-Planting Care. With an adequate watering schedule, container-grown trees can be planted at any time. The best times to plant in Alabama, especially for balled and burlapped or bare-root trees, are fall and winter.

Invasive - Alabama Cooperative Extension System

Controlling Entomosporium Leaf Spot on Woody Ornamentals