New data on quarantine pests
By browsing through the literature, the EPPO Secretariat has extracted the following new data concerning quarantine pests.
- New geographical records
Citrus blight disease (EU Annexes) is reported to occur in Belize (blight-affected trees grafted on sour orange rootstock), in Costa Rica (on Carrizo citrange rootstock) and Guatemala (on Rangpur (Citrus limonia) rootstock). Review of Plant Pathology, 78(7), p 643 (4884).
Colletotrichum acutatum (EU Annex II/A2) is reported as causing strawberry anthracnose in Huelva, in Spain. This had previously been reported but was not confirmed. Review of Plant Pathology, 78(7), p 640 (4865).
Liriomyza trifolii (EPPO A2 quarantine pest) is present in Oman. Review of Agricultural Entomology, 87(9), p 1165 (8733).
Mycosphaerella dearnessii (EPPO A2 quarantine pest) is reported as a new disease of pines in Austria. It was observed in 1996 on Pinus mugo. Review of Plant Pathology, 78(8), p 764 (5797).
Mycosphaerella dearnessii (EPPO A2 quarantine pest) is reported for the first time from Japan. It was found on ornamental Pinus thunbergii in Shimane Prefecture (Honshu). Review of Plant Pathology, 78(7), p 654 (4974).
Mycosphaerella pini (EU Annexes) was observed on Pinus nigra for the fist time in Poland, during investigations carried out in the MiechÙw Forest District (20 km north of KrakÙw) in May 1990. Review of Plant Pathology, 78(7), p 654 (4971).
Neoaliturus haematoceps, vector of Spiroplasma citri (EU Annexes), occurs in Tunisia. Review of Agricultural Entomology, 87(7), p 894 (6712).
Sinaloa tomato leaf curl begomovirus is reported for the first time in Costa Rica. In October 1998, symptoms were commonly observed in tomato plantings near Turrialba. Review of Plant Pathology, 78(7), p 630 (4785).
Tomato yellow leaf curl begomovirus (EPPO A2 quarantine pest) is reported for the first time in Réunion (FR). Symptoms were first observed in tomato crops in September 1997, on a farm located on the south coast of the island. A preliminary survey was carried out from December 1997 to April 1998 in both outdoor and protected tomato crops. All infected samples were collected on the leeward coast. Review of Plant Pathology, 78(7), p 630 (4784).
- Detailed records
In Japan, chrysanthemum stunt viroid (EPPO A2 quarantine pest) was isolated from field grown chrysanthemums in Sagae, Yamagata Prefecture (Honshu). Review of Plant Pathology, 78(7), p 656 (4996).
Grapevine bois noir phytoplasma was observed in summer 1998 in some vineyards of Chardonnay planted in 1991, in 2 areas of Molise region, Italy. Review of Plant Pathology, 78(7), p 642 (4877).
Monilinia fructicola (EPPO A1 quarantine pest) is frequently found in peach-growing areas in central Taiwan. Review of Plant Pathology, 78(8), p 745 (5660).
Liriomyza sativae (EPPO A1 quarantine pest) occurs on vegetable crops in Guangdong Province, China. Review of Agricultural Entomology, 87(9), p 1149 (8613).
Stenocarpella maydis (EPPO A2 quarantine pest) is one of the main fungi isolated from infected maize kernels in Santa Catarina, Brazil. Review of Plant Pathology, 78(8), p 710 (5405).
Tomato spotted wilt tospovirus (EPPO A2 quarantine pest) is present in Haryana, India, affecting peanut crops. Review of Plant Pathology, 78(7), p 647 (4914)
In Japan, tomato yellow leaf curl begomovirus (EPPO A2 quarantine pest) is reported on tomato crops in Shizuoka and Aichi prefectures (Honshu). Review of Plant Pathology, 78(7), p 630 (4787).
Xanthomonas vesicatoria was found in association with tomato spotted wilt tospovirus (both EPPO A2 quarantine pests) on tomatoes in the states of Bahia and Pernambuco, Brazil. Review of Plant Pathology, 78(8), p 728 (5537).
Sources
EPPO Secretariat, 1999-06.
Review of Agricultural Entomology, 87(7 to 9). July to September 1999.
Review of Plant Pathology, 78(7 to 9). July to September 1999.