Effect of agricultural intensification on the genetic diversity of Helicoverpa armigera

IF 4 2区农林科学 Q2 FOOD SCIENCE & TECHNOLOGY

Food and Energy Security Pub Date : 2024-03-12 DOI:10.1002/fes3.525

Hongying Cui, Zhaoke Dong, Yingying Song, Wenxiu Guo, Yi Yu, Lili Li, Suhong Lv, Xingyuan Men

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Abstract

Agricultural intensification affects natural and crop ecosystems, and increases the risk of agricultural pests in agroecosystems. Helicoverpa armigera Hübner (Lepidoptera: Noctuidae) is an important pest that damages a wide range of crops. However, the effect of agricultural intensification on the genetic diversity of this pest is still unclear. In this study, we investigated the effects of the composition and configuration of the landscape on the genetic diversity of the agricultural pest H. armigera based on cytochrome oxidase subunit I (COI) analyses. In total, 10 haplotypes were found in 2016 and 15 haplotypes in 2021 based on COI genes. The haplotype diversity and nucleotide diversity were the highest in the Anqiu (AQ) region during 2016 and in the Bincheng (BC) region during 2021. Haplotype 2 and haplotype 3 (Hap2 and Hap3) were the dominant haplotypes in the H. armigera population. Agricultural intensification had no effect on the genetic diversity of H. armigera between 2016 and 2021. Our study highlights the effect of agricultural intensification on the genetic diversity of H. armigera. Understanding the genetic consequences of agricultural intensification is essential for the green control of agricultural pests and the sustainable development of agriculture.

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农业集约化对 Helicoverpa armigera 遗传多样性的影响

农业集约化会影响自然和作物生态系统，并增加农业生态系统中农业害虫的风险。Helicoverpa armigera Hübner（鳞翅目：夜蛾科）是一种危害多种作物的重要害虫。然而，农业集约化对该害虫遗传多样性的影响仍不清楚。在本研究中，我们基于细胞色素氧化酶亚单位 I（COI）分析，研究了景观的组成和配置对农业害虫 H. armigera 遗传多样性的影响。基于 COI 基因，2016 年共发现 10 个单倍型，2021 年发现 15 个单倍型。2016年安丘（AQ）地区的单倍型多样性和核苷酸多样性最高，2021年滨城（BC）地区的单倍型多样性和核苷酸多样性最高。单倍型2和单倍型3（Hap2和Hap3）是H. armigera种群的优势单倍型。在 2016 年至 2021 年期间，农业集约化对 H. armigera 的遗传多样性没有影响。我们的研究强调了农业集约化对 H. armigera 遗传多样性的影响。了解农业集约化的遗传后果对于农业害虫的绿色防控和农业的可持续发展至关重要。

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来源期刊

Food and Energy Security Energy-Renewable Energy, Sustainability and the Environment

CiteScore

9.30

自引率

4.00%

发文量

审稿时长

19 weeks

期刊介绍： Food and Energy Security seeks to publish high quality and high impact original research on agricultural crop and forest productivity to improve food and energy security. It actively seeks submissions from emerging countries with expanding agricultural research communities. Papers from China, other parts of Asia, India and South America are particularly welcome. The Editorial Board, headed by Editor-in-Chief Professor Martin Parry, is determined to make FES the leading publication in its sector and will be aiming for a top-ranking impact factor. Primary research articles should report hypothesis driven investigations that provide new insights into mechanisms and processes that determine productivity and properties for exploitation. Review articles are welcome but they must be critical in approach and provide particularly novel and far reaching insights. Food and Energy Security offers authors a forum for the discussion of the most important advances in this field and promotes an integrative approach of scientific disciplines. Papers must contribute substantially to the advancement of knowledge. Examples of areas covered in Food and Energy Security include: • Agronomy • Biotechnological Approaches • Breeding & Genetics • Climate Change • Quality and Composition • Food Crops and Bioenergy Feedstocks • Developmental, Physiology and Biochemistry • Functional Genomics • Molecular Biology • Pest and Disease Management • Post Harvest Biology • Soil Science • Systems Biology