Septoria leaf blotch of wheat: sensitivity to fungicides of the Swiss Mycosphaerella graminicola population

被引：0
|
作者：
Schuerch, Stephanie [2 ]
Frei, Peter [2 ]
Frey, Regula [1 ]
Wullschleger, Juerg [1 ]
Sierotzki, Helge [1 ]
机构：
[1] Syngenta Crop Protect AG, CH-4332 Stein, Switzerland
[2] Forsch Anstalt Agroscope Changins Wadenswil ACW, CH-1260 Nyon, Switzerland
来源：
AGRARFORSCHUNG | 2009年 / 16卷 / 10期
关键词：
fungicide; resistance; Septoria tritici; Mycosphaerella graminicola; sensitivity; RESISTANCE; MECHANISMS;
D O I：
暂无
中图分类号：
S [农业科学];
学科分类号：
09 ;
摘要：
The fungicide resistance level of M. graminicola, a major agent of leaf blotch of wheat, was evaluated in 2008 for samples from 17 fields. Genes coding for the target proteins of QoI and DMI fungicides were characterised genetically. The frequency of the mutation conferring QoI resistance ranged between 1 and 96%, indicating that the Swiss M. graminicola population is in a transitory phase. Compared to other European populations of this pathogen, the Swiss population is on average more sensitive to DMI fungicides. These results represent the basic information to formulate recommendations regarding the use of these two fungicide groups to achieve a durable chemical control of this widespread leaf disease of wheat.
引用
收藏
页码：420 / 424
页数：5
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