OCR Text |
Show Diseases Causing Pear Tree Branches to Die There are many, diseases which might cause branches to die on a pear tree. The disease which is most often the cause Is bacterial blight This disease starts by causing the tip ends of the branches to die. Gradually Grad-ually the disease works Its way down the limbs and finally it may kill entire limbs and even the tree itself. The best way to treat trees Infected In this manner is to prune off all of the branches and twigs which are badly infected. In all probability one will find a considerable number of cankers on the trunk and branches. It Is In these places that the bacteria or spores of the disease multiply, and, spreading from such places, they are continuously Infecting new and healthy wood. Such cankers should be carefully trimmed out until apparently appar-ently healthy tissue Is reached. Such wounds should then be painted with a good antiseptic solution. A good solution Is made by dissolving one tablet of bichloride of mercury in a pint of water and a tablet of cyanide of mercury In another pint of water. The two solutions should then be poured together and stored in a glass Jar. Apply the material with a swab or brush. Such trees will usually be weak. In addition to giving the above treatment, treat-ment, It is a good thing to cultivate the ground and apply a good coating of manure or nitrate of soda in the spring. Furthermore, a good spraying schedule should be practiced so that insects and diseases will be reduced to a minimum. |