泰国北部阿拉比卡咖啡上新记录的茶蚊虫的生命周期和危害模式

IF 0.6 4区 综合性期刊 Q3 MULTIDISCIPLINARY SCIENCES Chiang Mai Journal of Science Pub Date : 2023-09-30 DOI:10.12982/cmjs.2023.047
Apichaya Jakkoksung, Korrawat Attasopa, Chun-I Chiu, Y. Chanbang
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引用次数: 0

摘要

自2017年以来,泰国北部阿拉比卡咖啡的“针孔叶”和“芽生长过剩”症状明显增加,导致嫩芽死亡,开花减少,最终导致产量损失。本研究通过用咖啡饲养茶蚊,并在实验室条件下再现相同的症状,探讨“针孔叶”症状是否由茶蚊(Helopeltis theivora Waterhouse)(半翅目:异翅目:Miridae)引起。此外,我们还研究了田间“爆孔叶”症状是否与“芽生长过剩”症状相关。我们的研究结果表明,H. theivora可以在阿拉比卡咖啡树上完成它们的生命周期。雌虫在咖啡枝嫩叶附近软组织下平均产卵87.60±41.82个,孵化率为73.97±6.69%,平均孵化期为8.20±0.97 d。第1 ~第5稚虫期寿命分别为4.02±1.58、3.36±0.93、3.27±0.74、3.23±0.96、3.83±1.18 d。成虫寿命2 ~ 24 d,平均11.61±7.89 d。“针孔叶”症状大约在H. theivora开始以年轻的咖啡苗为食后14天出现。我们发现,有症状的枝条的芽数明显更高,表明这两种症状都是由H. theivora引起的。研究最后讨论了咖啡树上的H. theivora的控制措施。
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Life Cycle and Damage Patterns of Tea Mosquito Bug (Helopeltis theivora Waterhouse), a Newly Recorded Pest on Arabica coff ee in Northern Thailand
The symptoms of “shot hole leaves” and “excess bud growth” in Arabica coffee have signifi cantly increased in northern Thailand since 2017, resulting in the death of shoots and reduced fl owering, ultimately leading to yield loss. This study investigates whether the “shot hole leaves” symptom is caused by the tea mosquito bug (Helopeltis theivora Waterhouse) (Hemiptera: Heteroptera: Miridae) by rearing tea mosquito bugs with coffee and reproducing the same symptoms under laboratory conditions. Furthermore, we examine whether the “shot hole leaves” symptom is associated with the “excess bud growth” symptom in the fi eld. Our results show that H. theivora can complete their life cycle on Arabica coffee trees. Female bugs lay an average of 87.60±41.82 eggs underneath the soft tissue near young leaves on coffee branches, with a hatching rate of 73.97±6.69%, and an average incubation period of 8.20±0.97 days. The longevity of the fi rst to fi fth nymphal stages was 4.02±1.58, 3.36±0.93, 3.27±0.74, 3.23±0.96, and 3.83±1.18 days, respectively. The adult bugs had a lifespan ranging from 2 to 24 days, with an average of 11.61±7.89 days. The “shot hole leaves” symptom appear approximately 14 days after H. theivora begin feeding on young coffee shoots. We found that the bud number is signifi cantly higher on twigs with the symptom, indicating that both symptoms are caused by H. theivora. The study concludes by discussing control practices of H. theivora on coffee trees.
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来源期刊
Chiang Mai Journal of Science
Chiang Mai Journal of Science MULTIDISCIPLINARY SCIENCES-
CiteScore
1.00
自引率
25.00%
发文量
103
审稿时长
3 months
期刊介绍: The Chiang Mai Journal of Science is an international English language peer-reviewed journal which is published in open access electronic format 6 times a year in January, March, May, July, September and November by the Faculty of Science, Chiang Mai University. Manuscripts in most areas of science are welcomed except in areas such as agriculture, engineering and medical science which are outside the scope of the Journal. Currently, we focus on manuscripts in biology, chemistry, physics, materials science and environmental science. Papers in mathematics statistics and computer science are also included but should be of an applied nature rather than purely theoretical. Manuscripts describing experiments on humans or animals are required to provide proof that all experiments have been carried out according to the ethical regulations of the respective institutional and/or governmental authorities and this should be clearly stated in the manuscript itself. The Editor reserves the right to reject manuscripts that fail to do so.
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