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Pseudoperonospora cubensis (cucumber downy mildew)
Quantitative data on losses caused by downy mildew are rare. However, it is widely held that the disease is a limiting factor in crop production in...
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Sonchus oleraceus (common sowthistle)
S. oleraceus may occur as a weed in annual or perennial crops, particularly those which are widely-spaced or have a longer vegetation period, such...
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Tobacco ringspot virus
The most important disease caused by tobacco ringspot nepovirus (TRSV) is soyabean bud blight. The disease is prevalent in the midwestern USA and...
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Trichoderma harzianum (hyperparasite of Rhizoctonia solani)
Recommended for the control of soil-inhabiting Botrytis and Sclerotinia...
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Trialeurodes vaporariorum (whitefly, greenhouse)
Whiteflies damage plants directly by sucking sap from leaves and indirectly by transmitting viruses and producing a sticky secretion known as...
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Anastrepha ludens (Mexican fruit fly)
A. ludens has a broad host range and is a major pest, especially of citrus and mango (Mangifera indica) in most parts of its...
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Polypogon monspeliensis (annual beard grass)
Polypogon monspeliensis is a grass that is native to parts of Europe, Asia and northern Africa, and has been introduced to North and...
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Aspergillus flavus (Aspergillus ear rot)
A. flavus is a member of a group of fungi known as storage fungi which cause deterioration of grain or seeds of all plant species stored at seed...
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Tilletia indica (Karnal bunt of wheat)
T. indica is the fungal pathogen causing Karnal bunt of wheat seeds. Its distribution is mainly limited to northwest India...
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Neoaliturus haematoceps
N. haematoceps is a vector of stubborn disease of citrus (Spiroplasma citri). It also transmits sesame phyllody...
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