Researchers from ETH Zurich and the Julius Kühn Institute in Germany have created the first fire-blight-resistant apple. With the aid of so-called cis-genetic engineering, they transfered a resistance ...

A highly contagious disease that can wipe out an apple orchard threatens Connecticut’s fruit crop. But there’s help on the way. Fire blight, a bacteria that gets into the apple tree as it is flowering ...

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 ...

Fire blight is so named because inflicted trees such as this flowering pear appear to be scorched. (Purdue Plant and Pest Diagnostic Lab photo) Download Photo WEST LAFAYETTE, Ind. - Fire blight is ...

If you are noticing droopy, dried-out flower clusters on your pears, Asian pears, quince, apples or crabapples, fire blight may be the cause. Fire blight is caused by a bacterium and is a common and ...

Fire blight is a bacterial disease that affects certain species in the rose family (Rosaceae). It is especially destructive to apples (Malus spp.), pears (Pyrus spp.), and crabapples (Malusspp.). The ...

Your beloved apple tree had blackening blossoms in spring and this fall you see black shoots. The ornamental pear tree on your street has browning shoots. The quince tree in your aunt’s backyard has a ...

If you see brown or blackened leaves, a tan oozing substance or streaks on the branches of certain ornamental or fruit trees or if it looks like your fruit tree has been scorched by fire, your tree ...

All over Gem County, the Fire Blight fungus is taking over. What starts as a bacterial ooze, quickly turns to the tree’s bark becoming dark and eventually causing tree limbs to break off. Fire blight, ...

There are some funny-looking branches on my crabapple espalier. The tips of some branches have turned brown, and the brown leaves are hanging on the ends. Do you have any idea what this might be? What ...