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Increasing temperature elevates the variation and spatial differentiation of pesticide tolerance in a plant pathogen

文献类型： 外文期刊

作者： Lurwanu, Yahuza 1 ; Wang, Yan-Ping 1 ; Wu, E-Jiao 3 ; He, Dun-Chun 4 ; Waheed, Abdul 1 ; Nkurikiyimfura, Oswald 1 ; Wa 1 ;

作者机构： 1.Fujian Agr & Forestry Univ, Key Lab Biopesticide & Chem Biol, Minist Educ, Fuzhou, Peoples R China

2.Bayero Univ, Dept Crop Protect, Fac Agr, Kano, Nigeria

3.Jiangsu Acad Agr Sci, Inst Pomol, Jiangsu Key Lab Hort Crop Genet Improvement, Nanjing, Peoples R China

4.Fujian Jiangxia Univ, Sch Econ & Trade, Fuzhou, Peoples R China

5.Enshi Acad Agr Sci, Southern Potato Ctr China, Enshi, Peoples R China

6.Minjiang Univ, Inst Oceanog, Fuzhou 350108, Fujian, Peoples R China

7.Swedish Univ Agr Sci, Dept Forest Mycol & Plant Pathol, S-75007 Uppsala, Sweden

关键词： adaptive evolution; climatic change; disease management; fitness penalty; fungicide resistance; Phytophthora infestans

期刊名称：EVOLUTIONARY APPLICATIONS （ 影响因子：5.183； 五年影响因子：5.725 ）

ISSN： 1752-4571

年卷期： 2021 年 14 卷 5 期

页码：

收录情况： SCI

摘要： Climate change and pesticide resistance are two of the most imminent challenges human society is facing today. Knowledge of how the evolution of pesticide resistance may be affected by climate change such as increasing air temperature on the planet is important for agricultural production and ecological sustainability in the future but is lack in scientific literatures reported from empirical research. Here, we used the azoxystrobin-Phytophthora infestans interaction in agricultural systems to investigate the contributions of environmental temperature to the evolution of pesticide resistance and infer the impacts of global warming on pesticide efficacy and future agricultural production and ecological sustainability. We achieved this by comparing azoxystrobin sensitivity of 180 P. infestans isolates sampled from nine geographic locations in China under five temperature schemes ranging from 13 to 25 degrees C. We found that local air temperature contributed greatly to the difference of azoxystrobin tolerance among geographic populations of the pathogen. Both among-population and within-population variations in azoxystrobin tolerance increased as experimental temperatures increased. We also found that isolates with higher azoxystrobin tolerance adapted to a broader thermal niche. These results suggest that global warming may enhance the risk of developing pesticide resistance in plant pathogens and highlight the increased challenges of administering pesticides for effective management of plant diseases to support agricultural production and ecological sustainability under future thermal conditions.

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