Biological control mitigates spread of vector-borne plant pathogens

文献类型： 外文期刊

第一作者： Wyckhuys, Kris A. G.

作者： Wyckhuys, Kris A. G.;Wyckhuys, Kris A. G.;Xu, Pengjun;Lu, Yanhui;Wyckhuys, Kris A. G.;Wyckhuys, Kris A. G.;Elkahky, Maged;Zou, Yi;Crowder, David W.;Adriani, Evie;Albaytar, Annabelle B.;Cruz, Filomena C. Sta.;Beltran, Marie Joy B.;Signabon, Freddiewebb B.;Ben Fekih, Ibtissem;Francis, Frederic;Camargo-Gil, Carolina;Cicero, Lizette;Colmenarez, Yelitza C.;Cuellar-Palacios, Claudia M.;Montoya-Lerma, James;Dubois, Thomas;Khamis, Fathiya M.;Eigenbrode, Sanford D.;Fereres, Alberto;Haddi, Khalid;Le Lann, Cecile;Roudine, Sacha;van Baaren, Joan;Le Ralec, Anne;Lopez, Lorena;Lyu, Baoqian;Munoz-Cardenas, Karen;Nurkomar, Ihsan;Palmeros-Suarez, Paola A.;Perier, Jermaine D.;Ramirez-Romero, Ricardo;Sanches, Marcio M.;Sanchez-Garcia, Francisco J.;Vasquez, Carlos

作者机构：

关键词： Disease ecology; Vector-borne pathogens; Agroecology; Interdisciplinarity; Biological control agent-vector-virus; interactions

期刊名称：AGRICULTURE ECOSYSTEMS & ENVIRONMENT （ 影响因子：6.4； 五年影响因子：6.8 ）

ISSN： 0167-8809

年卷期： 2025 年 388 卷

页码：

收录情况： SCI

摘要： Diseases caused by vector-borne plant pathogens cause adverse impacts on yield resilience, food security, and farmer livelihoods, which are bound to aggravate under global change. Biological control is routinely discounted as a mitigation strategy for plant diseases, partially due to scarce and inconclusive empirical support. Here, using curated field survey data for 58 persistently or semi-persistently transmitted pathogens, we employ a multi-method approach to assess the role of resident (i.e., naturally occurring) biological control agents in these pathosystems. Our meta-analyses show how in planta pathogen incidence is strongly affected by vector abundance and infectivity. Meanwhile, biological control agent density negatively affects vector abundance and slows vector population build-up. Together, these relationships suggest that biological control lessens pathogen incidence by reducing vector abundance, though a paucity of data impedes direct, empirical demonstration of this effect. In particular, bipartite (mainly vector x pathogen) interactions have only been uncovered under field conditions for less than half of focal pathosystems. More so, just 5 % of studies simultaneously reported pathogen, vector, and biological control agent densities. Our study contests the long-standing dogma that arthropod-vectored pathogens cannot be mitigated through biological control, and accentuates how observational or manipulative field studies are imperative to grasp its full potential.

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