Infestation of Anthonomus grandis grandis (Coleoptera: Curculionidae) contributes to forming shelter structures in cotton plants

IF 1.7 3区 农林科学 Q2 ENTOMOLOGY Journal of Applied Entomology Pub Date : 2024-03-05 DOI:10.1111/jen.13246
Willian S. do Vale, Laélcio N. Ribeiro Filho, Iuri dos Santos, Benício de M. Santos Neto, Lilian R. Araújo, Henrique J. C. Santana, Thainara F. G. da Silva, Cristina S. Bastos, Carlos A. D. da Silva, José C. Zanuncio, Suzany A. Leite, Maria A. Castellani
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Abstract

Herbivorous arthropods can induce their host to form structures where they shelter during unfavourable periods. The boll weevil, Anthonomus grandis grandis Boheman (Coleoptera: Curculionidae), can spend the off-season inside cotton plant structures, known as dry bolls, protected from pesticides, natural enemies and heat and desiccation on the soil surface, thereby increasing its survival and preserving its reproductive capacity. However, the relationship between the boll weevil and dry boll formation is not fully understood and requires further study. The formation and external and internal characteristics of dry bolls on cotton plants infested with different densities of boll weevils, and the emergence and survival of this insect from these structures, were evaluated. Compared with non-infested control plants, plants infested with boll weevil formed almost twice as many dry bolls, which were 2.3 times heavier and with a diameter 1.7 times larger than those on non-infested plants. Boll weevil infestation reduces the number of bolls and commercial mass of fibre + seeds, reducing productivity and increasing cotton harvest contaminants. However, dry bolls on non-infested plants demonstrate that other factors are involved in their formation.

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鞘翅目:瘤瘿蚊科)的侵扰有助于棉花植株形成庇护结构
食草节肢动物可以诱使其宿主形成结构,在不利时期栖息于此。棉铃象鼻虫(Anthonomus grandis grandis Boheman,鞘翅目:虫科)可以在棉花植株结构(即干棉铃)内度过淡季,免受杀虫剂、天敌以及土壤表面高温和干燥的影响,从而提高存活率并保持繁殖能力。然而,棉铃象鼻虫与干棉铃形成之间的关系并不完全清楚,需要进一步研究。本研究评估了不同密度棉铃象鼻虫侵染的棉株上干棉铃的形成、外部和内部特征,以及这种昆虫从这些结构中出现和存活的情况。与未受棉铃象鼻虫危害的对照植株相比,受棉铃象鼻虫危害的植株形成的干棉铃数量几乎是未受危害植株的两倍,干棉铃的重量是未受危害植株的 2.3 倍,直径是未受危害植株的 1.7 倍。棉铃虫虫害减少了棉铃数量和纤维与种子的商品量,降低了生产率,增加了棉花收获污染物。然而,未受虫害植株上的干棉铃表明,它们的形成还与其他因素有关。
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来源期刊
CiteScore
3.40
自引率
5.30%
发文量
132
审稿时长
6 months
期刊介绍: The Journal of Applied Entomology publishes original articles on current research in applied entomology, including mites and spiders in terrestrial ecosystems. Submit your next manuscript for rapid publication: the average time is currently 6 months from submission to publication. With Journal of Applied Entomology''s dynamic article-by-article publication process, Early View, fully peer-reviewed and type-set articles are published online as soon as they complete, without waiting for full issue compilation.
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