Information on plant disease identification and control, including rot, freeze damage, rust, blight, mold, scales, bacteria, viruses, fungus, wilt, mildew, gall, mites, moths and cankers. Tips on integrated pest management and herbicide summaries.
Crown rot, caused by fungi in the genus Phytophthora, is a major cause of tree death in orchards. The disease often occurs on heavy, poorly drained soils, and certain rootstocks are more susceptible. More
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