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Control of Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae) in open field tomato crops using the mating disruption technique
Phytoparasitica ( IF 1.5 ) Pub Date : 2021-01-15 , DOI: 10.1007/s12600-021-00881-4
Levent Ünlü , Ekrem Ögür , Tair Esenali Uulu

This study was conducted in Meram district of Konya province (Turkey) in 2018 and 2019 to evaluate the efficacy of mating disruption against the tomato leafminer, Tuta absoluta in an open-field tomato growing area. Three pheromone-treated fields and three control fields were used to evaluate the effectiveness of mating disruption in both years. In pheromone-treated fields, mating disruption pheromone was applied once at a rate of 2500 g/ha with a caulking gun. In control fields, only pheromone traps were hung for monitoring and comparing the pest population. Male captures in monitoring pheromone traps and infestation rates of tomato plants by T. absoluta were recorded weekly. The mean number of males captured in the traps per week in pheromone-treated fields in 2018 and 2019 was 120.86 ± 16.82 and 69.90 ± 15.70, respectively. In control fields, the mean number of males captured in the traps per week in 2018 and 2019 was 299.73 ± 16.82 and 230.75 ± 15.70, respectively. The mean percentage of infestation of the pest was 4.40 ± 0.56% in pheromone-treated fields, while it was 11.80 ± 0.56% in control fields in 2018. In 2019, the mean percentage of infestation of the pest was recorded in pheromone-treated and control fields as 1.88 ± 0.52% and 7.39 ± 0.52%, respectively. As a result of the study, it was determined that the mating disruption application against T. absoluta was successful in all three pheromone-treated fields when compared to control fields in both years. This technique was tested for the first time against the tomato leafminer in Turkey with this project.



中文翻译:

利用交配破坏技术控制裸露番茄田中的塔图绝对(Meyrick)(鳞翅目:鞘翅目)

这项研究于2018年和2019年在科尼亚省梅拉姆区(土耳其)进行,以评估在开放田地番茄种植区中交配破坏对番茄切叶机(Tuta absoluta)的功效。三个信息素处理的领域和三个控制领域被用来评估这两年交配破坏的有效性。在用信息素处理过的田地中,用填缝枪以2500 g / ha的速率一次施用交配破坏信息素。在控制田中,仅悬挂了信息素诱集装置以监测和比较害虫种群。雄性捕获可监测T. absoluta的番茄信息素陷阱和侵染率每周记录一次。在信息素处理过的田野中,2018年和2019年每周在诱捕器中捕获的男性平均人数分别为120.86±16.82和69.90±15.70。在控制领域,2018年和2019年每周在陷阱中捕获的男性平均人数分别为299.73±16.82和230.75±15.70。在费洛蒙处理过的田地中,害虫的平均侵染百分比为4.40±0.56%,而在对照地区,2018年为11.80±0.56%。在2019年,在信息素处理过的地区和害虫中记录了该害虫的平均侵害百分比。控制字段分别为1.88±0.52%和7.39±0.52%。研究的结果是,确定了针对绝对黑麦草的交配破坏应用与过去两年的对照领域相比,在所有三个信息素处理领域都取得了成功。该项目首次在土耳其针对番茄切叶机测试了该技术。

更新日期:2021-01-15
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