Detailed profiles of common plant diseases, pests, nutrient deficiencies and environmental problems.
Neofabraea perennans is a fungal pathogen associated with bull’s-eye rot of stored apples and pears and with perennial cankers on pome-fruit trees. Infections commonly…
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Neofabraea alba is a fungus associated with bull’s-eye rot, a mainly postharvest disease of apples and pears. Fruit may be infected in the orchard…
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Coral spot canker is an opportunistic fungal disease of many deciduous trees and woody shrubs, especially tissue weakened by drought, transplant stress, winter injury,…
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European brown rot, caused by the fungus Monilinia laxa, is a disease of stone fruits that can kill blossoms and short shoots and rot…
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European brown rot is a quarantine fungal disease caused by Monilinia fructigena. It primarily affects apples, pears and other pome fruits, but can also…
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Brown rot of stone fruit, caused by the fungus Monilinia fructicola, attacks blossoms, twigs and fruit. In spring it can turn blossoms brown and…
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Poplar leaf rust is a wind-dispersed fungal disease caused by Melampsora larici-populina. It primarily affects Populus species and hybrids, producing yellow leaf spots above…
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Marssonina brunnea causes a fungal leaf-spot disease mainly of poplars (Populus spp.), especially susceptible hybrid and black-poplar types. Small brown to black spots with…
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Rice blast is a destructive fungal disease caused by Magnaporthe oryzae, best known for diamond-shaped lesions on rice leaves and damaging infections of the…
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Charcoal rot is a soilborne fungal disease caused by Macrophomina phaseolina. It is most damaging when hot, dry conditions stress the crop, especially during…
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Lophodermium needle cast is a fungal disease of pine needles caused primarily by Lophodermium seditiosum. It is most damaging to young trees, nursery stock…
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