Susceptibility monitoring and metabolic resistance study of Echinochloa crus-galli to three common herbicides in rice regions of the Mid-Lower Yangtze, China

IF 2.5 2区农林科学 Q1 AGRONOMY

Crop Protection Pub Date : 2024-12-31 DOI:10.1016/j.cropro.2024.107108

Tangqi Feng , Wenjing Sun , Jian Wang , Tianhong Lei , Lei Wang , Yuanli Xie , Huazhong Zhou , Fuxing Zhu , Hongju Ma

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引用次数: 0

Abstract

Echinochloa crus-galli, a dominant weed in rice fields, has developed increasing herbicide resistance, complicating its control. This study evaluated the susceptibility of 30 E. crus-galli field populations to three commonly used herbicides: metamifop (ACCase inhibitor), penoxsulam (ALS inhibitor), and quinclorac (auxin herbicide). Resistance ratio (RI) ranged from 1.1- to 7.9-fold for metamifop, 1.1- to 27.9-fold for penoxsulam, and 1.3- to 55.9-fold for quinclorac. A gradual decline in herbicide efficacy was observed, with an increasing number of multi-resistant populations over time. Multi-resistant populations (CB18, CB19, CB20, JL20, NX20) exhibited significantly higher P450 and GST enzyme activities compared to susceptible populations (S0). Furthermore, genes involved in metabolic resistance, including CYP81A12, CYP81A14, CYP81A21, CYP81A68, and GSTU23, were significantly upregulated in multi-resistant populations. This study provides insights into the resistance dynamics of E. crus-galli in the Mid-Lower Yangtze rice region, contributing valuable data for improving herbicide management strategies and resistance mitigation.

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来源期刊

Crop Protection 农林科学-农艺学

CiteScore

6.10

自引率

3.60%

发文量

200

审稿时长

29 days

期刊介绍： The Editors of Crop Protection especially welcome papers describing an interdisciplinary approach showing how different control strategies can be integrated into practical pest management programs, covering high and low input agricultural systems worldwide. Crop Protection particularly emphasizes the practical aspects of control in the field and for protected crops, and includes work which may lead in the near future to more effective control. The journal does not duplicate the many existing excellent biological science journals, which deal mainly with the more fundamental aspects of plant pathology, applied zoology and weed science. Crop Protection covers all practical aspects of pest, disease and weed control, including the following topics: -Abiotic damage- Agronomic control methods- Assessment of pest and disease damage- Molecular methods for the detection and assessment of pests and diseases- Biological control- Biorational pesticides- Control of animal pests of world crops- Control of diseases of crop plants caused by microorganisms- Control of weeds and integrated management- Economic considerations- Effects of plant growth regulators- Environmental benefits of reduced pesticide use- Environmental effects of pesticides- Epidemiology of pests and diseases in relation to control- GM Crops, and genetic engineering applications- Importance and control of postharvest crop losses- Integrated control- Interrelationships and compatibility among different control strategies- Invasive species as they relate to implications for crop protection- Pesticide application methods- Pest management- Phytobiomes for pest and disease control- Resistance management- Sampling and monitoring schemes for diseases, nematodes, pests and weeds.