Show eurcil Y ATTACKS UPON FRUIT TREES stealthy advances of insects and all eases not noticed until inroads have been made many blany insect and disease attacks ap on our cur fruit trees are arc so stealthy in their advances that they have made inroads before we aye are aware of their presence it if means the salvation of the tree itself it if these attacks are anre discovered in time there are fungi that attack only dead trees but the fruit grower Is interested mainly in thoe J IS 0 4 R a 41 apple trees pruned to control blight fungous and insect attacks which occur on live trees resulting in injury and death the approach of disease Is marked by slight and gradual changes and often some abnormal activity of certain parts for instance in the case of yellows that insidious and fatal disease attacking the peach superabundant growth of slender branches arid and foliage often occurs in parts of the tree of course diseases that attack only the foliage are discernible only in the summer some attack both bark and foliage one disease that does this and which Is known as fire blight attacks a the tender branches and suckers and the adjacent bark of pear trees also certain varieties of apple working around it and girdling the tree with a diseased area the name fire blight is given because the leaves turn black and cling to the parts affected the fruit also dries blackens and clings in ili charred char rei mummies to the tree all the diseased parts should be cut away and burned to prevent a spread of the trouble there seems to be no remedy for infected areas black knot Is another troublesome disease develops upon the cherry A knotty excrescence of roughened bark develops upon the branches near their juncture with other branches and the twigs are roughened birds spread this disease with their feet diseased parts should be removed and burned cutting well back from the diseased area |