Factors affecting fruit damage caused by Thrips hawaiiensis (Morgan) (Thysanoptera: Thripidae) in citrus lemon groves in Turkey

IF 1.5 3区农林科学 Q2 AGRONOMY Phytoparasitica Pub Date : 2024-02-20 DOI:10.1007/s12600-024-01135-9

Ekrem Atakan

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Abstract

The Hawaiian flower thrips, Thrips hawaiiensis (Morgan) (Thysanoptera: Thripidae) is an economically important invasive species in citrus grown in the eastern Mediterranean region of Turkey. The diverse impacts of temperature on arthropods are well documented. This study was conducted with the aim of determining the influence of day-degree on insect population dynamics and crop damage levels in Mersin Province, Turkey during 2018–2019. In 2018, the first damage caused by T. hawaiiensis was observed at 300 degree-days (DD), while in 2019, it occurred at 800 DD. The damage percentage was recorded as 28% in the lemon grove, where the population of second instar larvae briefly reached a high level (approximately 2 individuals per fruit). During 2019, the average temperature remained relatively low, and the initial population density of thrips was below the 33-day development threshold (10.4 °C) from January to April. This pattern was observed even during the mild spring season. Additionally, in both sampling locations, the high adult densities, mainly adult females, led to the shedding of a limited number of flowers that had formed in June.

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影响土耳其柑橘柠檬林中夏威夷蓟马（摩根）（蓟马科：蓟马属）造成果实损害的因素

夏威夷花蓟马（Thrips hawaiiensis (Morgan)）（蓟马科：Thripidae）是生长在土耳其东地中海地区柑橘中的重要经济入侵物种。温度对节肢动物的影响多种多样，有据可查。本研究旨在确定 2018-2019 年土耳其梅尔辛省昼夜温差对昆虫种群动态和作物损害程度的影响。2018 年，在 300 度日（DD）时观察到了哈威虫造成的首次损害，而在 2019 年，在 800 度日（DD）时发生了损害。据记录，柠檬林的危害率为 28%，其中二龄幼虫的数量短暂达到较高水平（每个果实约 2 头）。2019 年期间，平均气温相对较低，从 1 月到 4 月，蓟马的初始种群密度低于 33 天的发育阈值（10.4 °C）。即使在温和的春季也能观察到这种模式。此外，在两个取样地点，成虫（主要是雌成虫）的高密度导致 6 月份形成的有限数量的花朵脱落。

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来源期刊

Phytoparasitica 生物-植物科学

CiteScore

2.90

自引率

0.00%

发文量

审稿时长

6-12 weeks

期刊介绍： Phytoparasitica is an international journal on Plant Protection, that publishes original research contributions on the biological, chemical and molecular aspects of Entomology, Plant Pathology, Virology, Nematology, and Weed Sciences, which strives to improve scientific knowledge and technology for IPM, in forest and agroecosystems. Phytoparasitica emphasizes new insights into plant disease and pest etiology, epidemiology, host-parasite/pest biochemistry and cell biology, ecology and population biology, host genetics and resistance, disease vector biology, plant stress and biotic disorders, postharvest pathology and mycotoxins. Research can cover aspects related to the nature of plant diseases, pests and weeds, the causal agents, their spread, the losses they cause, crop loss assessment, and novel tactics and approaches for their management.