Source: NCSU COOPERATIVE EXTENSION, 7/27/21


Leaf defoliation on apple trees has begun in Western North Carolina, but unfortunately it’s not quite autumn. Rather, the fungal pathogens causing Marssonina leaf blotch and Glomerella leaf spot rather enjoy the hot, humid, and wet conditions over the past few weeks throughout the area and are creating some rather spectacular symptoms on apple foliage throughout the region. Even if the spring freezes left your trees void of apples, it’s important that you maintain a fungicide program to limit inoculum buildup in the orchard and to reduce winter injury and poor fruit set next season.

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