2017年,poas火山爆发,哥斯达黎加咖啡种植园爆发Oligonychus yothersi

Mainor Rojas-Barrantes, Daniel Ramírez-Valerio, Luis Miguel Constantino-Chuaire
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引用次数: 2

摘要

在哥斯达黎加的咖啡种植园中,红蜘蛛espanolLa (Oligonychus yothersi)被列为一种不重要的害虫,只在作物边缘的干旱季节轻微影响。据报道,O. yothersi唯一一次强烈袭击发生在1963年至1965年的中央山谷,与伊拉苏火山的火山灰下降有关。在2017肛门火山Poas把大量灰烬被风吹西南方向和被搞有强烈攻击红aranita 2017年11月至2018年3月,一个area 4155已位于1200米至各州Poas和Naranjo Alajuela。由于自然生物战斗的影响,种群数量下降,这与5种捕食者的丰富种群有关。本研究的目的是评估化学杀螨剂对propargite和硫基产品的控制效果。红蜘蛛螨(Oligonychus yothersi)已被列为哥斯达黎加咖啡种植园的一种小害虫,在干旱季节仅对作物边缘有轻微影响。= =地理= =根据美国人口普查,这个县的总面积为,其中土地和(0.964平方公里)水。During the 2017年the Poas volcano released开展amounts of灰庭审质证的by the wind in a西南方向和was a强劲attack of the网络蜘蛛有关mite between 2017年11月和2018年3月,in an area of 4155 hectares located over 1200米在sea level Poas与Naranjo。= =地理= =根据美国人口普查局的数据,该县总面积为,其中土地和(1.1%)水。在使用基于propargite和硫化物的产品时,对杀螨剂的化学防治进行了评价,效果良好。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Brote de Oligonychus yothersi en cafetales de Costa Rica por la ceniza del Volcán Poás durante el año 2017
espanolLa aranita roja (Oligonychus yothersi) ha sido catalogada como una plaga de poca importancia en los cafetales de Costa Rica, lo cual afecta levemente solo en la epoca seca en los bordes del cultivo. El unico ataque fuerte de O. yothersi se reporto entre 1963 y 1965 en el Valle Central, relacionado con la caida de ceniza del volcan Irazu. Durante el ano 2017 el volcan Poas lanzo cantidades importantes de ceniza que fueron llevadas por el viento en direccion suroeste y se relaciono con un fuerte ataque de aranita roja entre noviembre de 2017 y marzo de 2018, en un area de 4155 ha ubicadas sobre 1200 m de altura entre los cantones de Poas y Naranjo de Alajuela. La poblacion decrecio por efectos del combate biologico natural lo cual se relaciona con una poblacion abundante de 5 especies de depredadores. Se evaluo el control con acaricidas quimicos con buenos resultados al aplicar productos a base de propargite y azufre. EnglishThe red spider mite (Oligonychus yothersi) has been classified as a minor pest in coffee plantations in Costa Rica, affecting only slightly in the dry season at the edges of the crop. The only strong attack of O. yothersi was reported between 1963 and 1965 in the Central Valley, related to the fall of ash from the Irazu volcano. During the year 2017, the Poas volcano released significant amounts of ash that were carried by the wind in a southwest direction and was related to a strong attack of the red spider mite between November 2017 and March 2018, in an area of 4155 hectares located over 1200 m above sea level between Poas and Naranjo. The population decreased by the effect of natural biological control related to abundant population of 5 species of predators. The chemical control with acaricides was evaluated with good results when applying products based on propargite and sulfur.
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