If you find sticky, amber-colored droplets on your pear tree, your tree could be infected with fire pear blight, a bacterial disease caused by Erwinia amylovora. Unfortunately, this pathogen can ...

Apples, pears, crabapples and even some ornamentals are infected by fire blight, a destructive bacterial disease. Fire blight damage is noticeable when infected leaves suddenly turn brown, as if ...

The cucumbers in the photo appear to have bacterial wilt, which is caused by the bacterium Erwinia tracheiphila. The leaves of infected plants first appear a dull green, then wilt during the day and ...

Cactus plants are infamous for being easy to look after. They are the go-to plants to grow for beginner gardeners who don't have their green thumbs yet, but that doesn't mean that they are ...

Add Yahoo as a preferred source to see more of our stories on Google. Getty Images Unless you are intent on making your own maple syrup, you probably haven't given tree sap much thought. So, let's ...