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Byrsonima crassifolia (wild cherry)
Byrsonima is one of the largest genera of Malpighiaceae, with approximately 100 species. Some important treatments for the genus include Grisebach...
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Phytophthora fragariae (strawberry red stele root rot)
Kavanagh et al. (1986) reported that of six fungicidal treatments tested on strawberries (chlorothalonil, dichlofluanid, iprodione flowable,...
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Phytophthora katsurae (chestnut downy mildew)
P. katsurae has a high economic impact because of its role in coconut diseases. The damage depends on the planting material, but the death rate...
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Phytophthora megasperma (root rot)
P. megasperma is considered a major pathogen of apples in New York State, USA (Jeffers et al., 1982) and in New Zealand (Robertson and Dance, 1971)...
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Phytophthora nicotianae (black shank)
Black shank occurs worldwide, but is most severe in warmer climates. Losses occur during all stages of development and can reach 100% in some...
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Hymenoscyphus pseudoalbidus (ash dieback)
Due to the severity of ash dieback, the anamorphic fungus, H. pseudoalbidus has been on the EPPO Alert list since...
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Phenacoccus solenopsis (cotton mealybug)
The solenopsis mealybug has been recorded on 202 host plant species that include field crops, ornamentals, trees and vegetables. In...
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High plains virus (high plains disease)
A fully susceptible maize hybrid may be killed in the seedling stage by early infection. This has been observed more commonly in sweetcorn than in...
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Glycaspis brimblecombei (red gum lerp psyllid)
Little had been published on the status of the red gum lerp psyllid until it was established in the state of California in the USA, where it has...
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Globodera pallida (white potato cyst nematode)
G. pallida originates from the Andes and is known to be present in 55 countries. It is found predominantly in temperate regions as...
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