Exploring the effect of region on diversity and composition of weed seedbanks in herbicide-resistant crop systems in the United States

IF 3.8 1区农林科学 Q1 AGRONOMY

Pest Management Science Pub Date : 2023-11-09 DOI:10.1002/ps.7875

Zhe Ren, David J. Gibson, Karla L. Gage, Joseph L. Matthews, Micheal D. K. Owen, David L. Jordan, David R. Shaw, Stephen C. Weller, Robert G. Wilson, Bryan G. Young

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引用次数: 0

Abstract

BACKGROUND

Soil seedbanks have been recognized as one of the crucial components of agricultural ecosystems. However, studies on the shift in structure and biodiversity of soil seedbanks in herbicide-resistant crop systems are limited, and a functional trait perspective of the soil seedbank is often overlooked.

RESULTS

A 6 years experiment was conducted to investigate the roles of region, crop system, and weed management strategy on species richness, functional trait diversity, and composition of the weed seedbank. Species richness was different across the interaction of region and crop system, while functional trait diversity only showed difference across regions. Species and functional trait compositions were affected by the interaction of region and crop system. Specifically, the compositional difference among crop systems was mainly determined by the significant heterogeneity of group dispersion.

CONCLUSION

Growers and practitioners should consider weed functional traits in developing lasting agricultural management strategies. Long-term weed research should draw attention to the impact of transgenic crop systems and specific management tactics on weed dispersal, functional composition, and resistance evolution of weed species in such agroecosystems. © 2023 The Authors. Pest Management Science published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry.

Abstract Image

查看原文本刊更多论文

探讨区域对美国抗除草剂作物系统杂草种子库多样性和组成的影响。

背景：土壤种子库已被公认为农业生态系统的重要组成部分之一。然而，关于抗除草剂作物系统中土壤种子库结构和生物多样性变化的研究是有限的，并且土壤种子库的功能性状视角经常被忽视。结果：通过6年的试验，研究了区域、作物系统和杂草管理策略对杂草种子库物种丰富度、功能性状多样性和组成的影响。物种丰富度在区域和作物系统的相互作用中存在差异，而功能性状多样性仅在区域间存在差异。物种和功能性状组成受区域和作物系统相互作用的影响。具体而言，作物系统之间的组成差异主要由群体分散的显著异质性决定。结论：种植者和从业者在制定持久农业管理策略时应考虑杂草的功能特征。长期杂草研究应注意转基因作物系统和具体管理策略对此类农业生态系统中杂草扩散、功能组成和杂草抗性进化的影响。这篇文章受版权保护。保留所有权利。

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来源期刊

Pest Management Science 农林科学-昆虫学

CiteScore

7.90

自引率

9.80%

发文量

553

审稿时长

4.8 months

期刊介绍： Pest Management Science is the international journal of research and development in crop protection and pest control. Since its launch in 1970, the journal has become the premier forum for papers on the discovery, application, and impact on the environment of products and strategies designed for pest management. Published for SCI by John Wiley & Sons Ltd.