Boscalid-resistance in Alternaria alternata and Alternaria solani populations: An emerging problem in Europe

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• 作者：Sofie Landschoot^a ; ^{sofie.landschoot@ugent.be} ; Jasper Carrette^a ; ^{jasper.carrette@ugent.be} ; Michiel Vandecasteele^a ; ^{michiel.vandecasteele@ugent.be} ; Bernard De Baets^b ; ^{bernard.debaets@ugent.be} ; Monica Hö ; fte^c ; ^{monica.hofte@ugent.be} ; Kris Audenaert^a ; ¹ ; ^{kris.audenaert@ugent.be} ; Geert Haesaert^a ; ¹ ; ^{geert.haesaert@ugent.be}
• 关键词：Alternaria ; Fungicides ; Potato ; SDHI resistance
• 刊名：Crop Protection
• 出版年：2017
• 出版时间：February 2017
• 年：2017
• 卷：92
• 期：Complete
• 页码：49-59
• 全文大小：1524 K
• 卷排序：92

文摘

Resistance towards SHDIs is an emerging problem in both A. alternata and A. solani populations. Eighty-three A. solani and 53 A. alternata isolates, were screened for the presence of mutations leading to SDHI resistance. 70% of the A. solani and 41% of the A. alternata isolates possessed one or more SDHI mutations. 40% of the A. solani and 58% of the A. alternata population possesses a dual fungicide resistance against QoIs and SDHIs. Based on mycelium growth and spore germination capacity, there was no fitness cost associated with these mutations.