Domínguez-Gabriel Julio, Guillén-Navarro Karina, Otero-Colina Gabriel, Valle-Mora Javier, González-Gómez Rebeca
CONACYT, El Colegio de la Frontera Sur, Unidad Tapachula, Ecología de Artrópodos y Manejo de Plagas, Carretera Antiguo Aeropuerto km 2.5, AP 36, CP 30700, Tapachula, Chiapas, Mexico.
CONACYT, El Colegio de la Frontera Sur, Unidad Tapachula, Biotecnología Ambiental, Carretera Antiguo Aeropuerto km 2.5, AP 36, CP 30700, Tapachula, Chiapas, Mexico.
Exp Appl Acarol. 2021 Sep;85(1):1-17. doi: 10.1007/s10493-021-00657-9. Epub 2021 Sep 28.
Tenuipalpid mites of the genus Brevipalpus are of significant economic and quarantine importance in agriculture. They can damage and vector phytopathogenic viruses in coffee plantations and other crops. In this study, we focused on: identification of the Brevipalpus species, assessment of the spread of Brevipalpus-associated viruses (CoRSV, CiLV-N, CiLVC and CiLVC2), and mite population fluctuations over the course of 1 year. The study was conducted in coffee plantations in Soconusco, a coffee-producing region in Chiapas, Mexico. The collected mites of the Brevipalpus phoenicis sensu lato species complex (635) were identified as Brevipalpus papayensis (80.2%) and B. yothersi (19.8%) based on morphological and molecular characteristics. Their population abundance was low and there were no indications for virosis. The highest mite abundance was recorded in August-September and the lowest in February-March. An interaction was observed between mite abundance and coffee species in open-growth and shaded cultivation at various altitudes. Brevipalpus papayensis was most abundant in Coffea arabica var. Bourbon, in shaded (80%) growing conditions at an altitude of 1300 m above sea level. In C. canephora (in open-growth cultivation conditions at low altitude), B. yothersi was more abundant than in C. arabica, and as abundant as B. papayensis. We are of the opinion that, at this moment, B. papayensis and B. yothersi do not present risks to the production of coffee for the studied plantations. However, as the coffee-producing regions of Mexico are ecologically diverse, it will be important to continue examining the status of Brevipalpus mite populations in other regions in Mexico.
短须螨属的细须螨在农业中具有重要的经济和检疫意义。它们会对咖啡种植园和其他作物造成损害，并传播植物致病病毒。在本研究中，我们重点关注：细须螨属物种的鉴定、与细须螨相关病毒（咖啡环斑病毒、咖啡坏死叶病毒 - N、咖啡叶卷叶病毒和咖啡叶卷叶病毒2）传播情况的评估，以及螨类种群在1年时间内的波动情况。该研究在墨西哥恰帕斯州的咖啡产区索科努斯科的咖啡种植园中进行。根据形态学和分子特征，所采集的细须螨广义种复合体（635只）中的螨类被鉴定为番木瓜短须螨（80.2%）和尤氏短须螨（19.8%）。它们的种群数量较低，且没有病毒感染迹象。螨类数量在8月至9月最高，2月至3月最低。在不同海拔的开放式种植和遮荫种植中，观察到螨类数量与咖啡品种之间存在相互作用。番木瓜短须螨在海拔1300米的遮荫（80%）生长条件下的波旁变种阿拉伯咖啡中最为丰富。在卡内弗拉咖啡（低海拔开放式种植条件下）中，尤氏短须螨比在阿拉伯咖啡中更为丰富，且与番木瓜短须螨数量相当。我们认为，目前番木瓜短须螨和尤氏短须螨对所研究种植园的咖啡生产不构成风险。然而，由于墨西哥的咖啡产区生态多样，继续研究墨西哥其他地区细须螨种群的状况将很重要。
