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Université de Fribourg

Phytotoxic metabolites from Neofusicoccum parvum, a pathogen of Botryosphaeria dieback of grapevine

Abou-Mansour, Eliane ; Débieux, Jean-Luc ; Ramírez-Suero, Montserrat ; Bénard-Gellon, Mélanie ; Magnin-Robert, Maryline ; Spagnolo, Alessandro ; Chong, Julie ; Farine, Sibylle ; Bertsch, Christohpe ; L’Haridon, Floriane ; Serrano, Mario ; Fontaine, Florence ; Rego, Cecilia ; Larignon, Philippe

In: Phytochemistry, 2015, vol. 115, p. 207–215

Liquid chromatography-diode array screening of the organic extract of the cultures of 13 isolates of the fungus Neofusicoccum parvum, the main causal agent of botryosphaeria dieback of grapevine, showed similar metabolites. One strain was selected for further chemical studies and led to the isolation and characterisation of 13 metabolites. Structures were elucidated through spectroscopic...

Université de Neuchâtel

Parasitoid recruitment to the globally invasive chestnut gall wasp Dryocosmus kuriphilus

Aebi Alexandre ; Schönrogge, Karsten ; Melika, George ; Alma, Alberto ; Bosio, Giovanni ; Quacchia, Ambra ; Picciau, Luca ; Abe, Yoshihisa ; Moriya, Seichii ; Yara, Kaori ; Stone, Graham N

In: Galling Arthropods and Their Associates: Ecology and Evolution, 2006, p. 103-121

The chestnut gall wasp Dryocosmus kuriphilus is a global pest of chestnut (Castanea). Established as a pest in the mid 20th century in Japan, Korea and the USA, this species has now reached Europe. Successful deployment of a biocontrol agent, Torymus sinensis, in Japan has led to its early release in Italy. Here we provide the first overview of the natural enemies associated...

Université de Neuchâtel

The potential of native parasitoids for the control of Mexican bean beetles : A genetic and ecological approach

Aebi, Alexandre ; Shani, Tal ; Hansson, Christer ; Contreras-Garduno, Jorge ; Mansion, Guilhem ; Benrey, Betty

In: Biological Control, 2008, vol. 47, no. 3, p. 289–297

Bruchid beetles in the genus Zabrotes are important pests of field and stored beans all around the world and cause enormous economical losses in Mexico and Central America. Native parasitoids have been successfully used to suppress infestations by bruchid beetles in Africa, but few studies have assessed their potential to reduce seed damage in the New World and no successful biological...

Université de Neuchâtel

Native and introduced parasitoids attacking the invasive chestnut gall wasp Dryocosmus kuriphilus

Aebi, Alexandre ; Schönrogge, K ; Melika, G ; Quacchia, A ; Alma, A ; Stone, G. N

In: EPPO Bulletin, 2007, vol. 37, no. 1, p. 166-171

The globally invasive chestnut gall wasp Dryocosmus kuriphilus was recently reported in Italy and threatens European chestnut orchards and native forests. Of Chinese origin, this species has invaded Japan, Korea, the USA, Nepal and Europe and in each region it has been attacked by parasitoids exploiting oak gall wasps. Classical biological control using the parasitoid Torymus...