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 ...

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 ...

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 ...

PAW PAW, MI --The episodes of fire blight that have popped up in Southwest Michigan orchards this year have been largely confined to older trees, which will likely survive the disease said Michigan ...

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 ...

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 ...

If you notice 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 ...

Like humans, certain plants are treated with antibiotics to ward off pathogens and protect the host. Saving millions, antibiotics are one of the 20th century's greatest scientific discoveries, but ...

My flowering crabapple has some funny-looking branches on it now. The branches have brown leaves that appear to have dried up at the ends and are not falling off the tree. What is happening and what ...