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Gibberella circinata (pitch canker)
G. circinata gained its reputation as an invasive pest following its discovery in California, USA, in 1986. Although the disease was well...
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Gremmeniella abietina (Brunchorstia disease)
Brunchorstia dieback, caused by G. abietina, was reported to have devastated Pinus nigra var. maritima [P. nigra subsp. laricio] in Scandinavia in...
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Guignardia citricarpa (citrus black spot)
Black spot has been present in Australia, South Africa and parts of Asia for many years (Kotze, 2000). Most of the losses in Australia and South...
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Gymnosporangium yamadae (Japanese apple rust)
G. yamadae belongs to the Uredinales, which includes the rust fungi, all of which cause diseases on plants. At present, G....
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Acidovorax citrulli (fruit blotch)
In the spring of 1989 in the USA, bacterial fruit blotch of watermelon first occurred in commercial watermelon fields in Florida and, as the season...
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Phthorimaea operculella (potato tuber moth)
Potato tuber moth is a serious major pest in areas where the climate favours its development, and where its host plants are grown on a large scale....
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Phytophthora cinnamomi (Phytophthora dieback)
P. cinnamomi is a soilborne pathogen that is now widely established in many parts of the world. Initial long-range spread is likely...
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Potato spindle tuber viroid (spindle tuber of potato)
Several reports attribute losses in potato yield to infection by PSTVd. Le Clerg et al. (1944) determined the effect of different amounts of PSTVd...
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Burkholderia caryophylli (bacterial wilt of carnation)
B. caryophylli has caused serious damage in the USA since its first report in 1940. Only minor losses occur in Europe and the Mediterranean region...
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Ralstonia solanacearum race 2 (moko disease)
Lists of host records have been recorded (Kelman, 1953; Bradbury, 1986; Persley, 1986; Hayward, 1994) but the original reports, gathered over many...
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