Description :

Very effective for preventing alternaria leaf spot or alternaria blotch other fungi that can cause apple leaf spots in the northeast include phoma pomorum the cause of phoma leaf and fruit spot phyllosticta solitaria the cause of apple blotch colletotrichum gloeosporioides cause of apple bitter rot and phomopsis mali the cause of. Pyllosticta leaf apot fungus phyllosticta capitalensis spreads easily and causes unsightly blemishes on the leaves of orchids it is most common in warmer climates but can be found throughout the world on a number of different types of orchids. Phyllosticta causes circular leaf spots with brown reddish borders the spots can be really large covering a large area of the leaf initial symptoms include small watersoaked regions on the leaves lesions become more apparent with a ring like pattern at alter stages. Prune the fruit on trees that are pruned each year will dry more quickly also if you plan to use fungicides they will penetrate the canopy more effectively besides encourage fruiting and allowing sunlight to reach the apples vigorous pruning allows trees to quickly dry out and discourages fungal growth