Spatial and temporal dynamics of leaf injury from Macrosaccus morrisella in soybean

IF 2.5 2区农林科学 Q1 AGRONOMY

Crop Protection Pub Date : 2025-07-14 DOI:10.1016/j.cropro.2025.107337

Arthur V. Ribeiro, Fábio M. Führ, Gabryele S. Ramos, James P. Menger, Robert L. Koch

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引用次数: 0

Abstract

The soybean tentiform leafminer, Macrosaccus morrisella (Fitch) (Lepidoptera: Gracillariidae), is a microlepidopteran native to North America that was detected feeding on soybean in the United States of America (USA) for the first time in 2021. The number of soybean fields where M. morrisella has been detected has since increased, but the spatiotemporal distribution and extent of injury to soybean plants remain to be determined. Thus, this research was conducted in multiple commercial soybean fields between 2022 and 2024 in Minnesota, USA with the objectives of determining the distribution of leaf-mining injury caused by M. morrisella over space (within-plant and within-field) and time (seasonal phenology). Proportion of leaflet area injured by M. morrisella generally increased as the season progressed across fields and years, peaking in late-June to mid-July and/or mid-August. Overall, the average proportion of leaflet area injured was as high as 80 % at field edges adjacent to wooded areas, but minimal in the interior of the field, and injury was greatest in the bottom of the canopy of soybean plants. These results advance the knowledge of the population ecology and potential for crop injury of M. morrisella in soybean, and contribute to the development of management programs for this insect.

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大豆森菌对叶片伤害的时空动态研究

大豆网状叶蝉macrosacus morrisella (Fitch)（鳞翅目：细叶蝉科）是一种原产于北美的小鳞翅目，于2021年首次在美国被发现以大豆为食。自那以后，发现莫里菌的大豆田数量有所增加，但其对大豆植株的时空分布和危害程度仍有待确定。因此，本研究于2022年至2024年在美国明尼苏达州的多个商业大豆田进行，目的是确定莫里菌引起的采叶伤害在空间（株内和田内）和时间（季节物候）上的分布。随着季节的延长和年份的增加，受莫里菌伤害的小叶面积比例普遍增加，在6月下旬至7月中旬和/或8月中旬达到高峰。总体而言，邻近林地的田缘小叶面积平均受损比例高达80%，田内最小，且在大豆植株冠层底部受损最大。这些结果有助于进一步了解大豆中莫里菌的种群生态学和潜在危害，并为制定莫里菌的防治方案提供依据。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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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.