Publikasjoner
NIBIOs ansatte publiserer flere hundre vitenskapelige artikler og forskningsrapporter hvert år. Her finner du referanser og lenker til publikasjoner og andre forsknings- og formidlingsaktiviteter. Samlingen oppdateres løpende med både nytt og historisk materiale. For mer informasjon om NIBIOs publikasjoner, besøk NIBIOs bibliotek.
2024
Forfattere
Daniele Prodorutti Riccardo Bugiani Vincent Philion Arne Stensvand Emanuela Coller Clelia Tosi Claudio Rizzi Gino Angeli Ilaria PertotSammendrag
Trials were carried out in apple orchards of Emilia-Romagna and Trentino-Alto Adige in northern Italy to investigate the effects of sprinkler irrigation on possible reduction in inoculum and subsequent disease pressure of Venturia inaequalis, the ascomycete causing apple scab. In spring, volumetric spore traps were placed above apple leaf litter containing pseudothecia with ascospores of the fungus. Pseudothecia matured more rapidly in irrigated plots, and 95% of the total number of spores trapped in a season was reached on average 164 degree days (base temperature 0°C) earlier in irrigated compared with nonirrigated plots. On average for seven location/year combinations, more than 50% of the ascospores were trapped following irrigations carried out for 2 h on sunny days before a forecasted rainfall. Subsequently, a much lower number of spores were trapped on rainy days following irrigation. Field trials with scab-susceptible apple cultivars were carried out in the two regions to evaluate the efficacy of sprinkler irrigation on disease. Irrigated and nonirrigated plots were either treated with different fungicide control strategies or not treated. Irrigation significantly reduced the incidence of apple scab at both sites, and the overall number of infected leaves and fruit was reduced by more than 50%. Midday sprinkler irrigation can significantly reduce the inoculum pressure of V. inaequalis in apple orchards. This may be a sustainable management strategy, especially in areas with extended dry periods.
Forfattere
Marianne Stenrød Esther Bloem Nana Yaa Boahene Tor Fredrik Holth Tim Hofer Mette Helen Bjørge Müller Elise Rundén-Pran Christian VogelsangSammendrag
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Forfattere
Xiao-Yan Ma Jin-Wei Li Qing Li Zi-Han Yan Xi Cheng Min-Rui Wang Zhibo Hamborg Lu Bao Dong Zhang Min-Ji LiSammendrag
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Forfattere
Marit Almvik Kari Stuveseth Henriette Engen Berg Gunvor Senneset Ellen Aarrestad Vartdal Mohammad Alsbirij Sven R. OdenmarckSammendrag
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