Occurrence and distribution of ALS inhibiting herbicide-resistant weeds in the paddy field of Gyeongnam province

Weed&Turfgrass Science Pub Date : 2018-01-01 DOI:10.5660/WTS.2018.7.3.209

Yong Hyun Lee, S. Shim, Jin-Won Kim, Jeongran Lee, K. Park, Jeung Joo Lee

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引用次数: 1

Abstract

This study was carried out to investigate the occurrence and distribution of ALS inhibiting herbicide-resistant weeds and to estimate the appeared areas of resistant weeds in the paddy fields of Gyeongnam province of Korea in 2017 and 2018 using a soil assay method. Compared with the 2012 survey, this study showed that the infested ratio of ALS inhibiting herbicide-resistant weeds increased from 1.0% to 66.8% and the infested area increased from 876 ha to 49,008 ha. The infested area of ALS inhibiting herbicide-resistant weeds was estimated in Ulsan-si (8.4%), Hapcheon-gun (8.3%), Haman-gun (7.9%), Goseong-gun (7.9%), Hadong-gun (7.3%), Jinju-si (7.2%), Changnyeong-gun (7.0%), Gimhae-si (6.4%), Miryang-si (5.5%), Busan-si (4.9%), Uiryeong-gun (4.6%), Namhae-gun (4.3%), Geochang-gun (4.2%), Changwon-si (3.8%), Geoje-si (2.9%), Yangsan-si (1.8%), Sancheong-gun (0.9%) and Tongyeong-si (0.4%), and the herbicide resistant weeds was not occurred in Hamyang-gun. The most dominant ALS inhibiting herbicide-resistant weeds in paddy fields were Monochoria vaginalis, followed by Echinochloa oryzicola, Lindernia dubia, Scirpus juncoides, Ludwigia prostrata, Cyperus difformis, Sagittaria trifolia and Rotala indica. ALS inhibiting herbicideresistant M. vaginalis, L. dubia, and E. oryzoides occurred throughout Gyeongnam province, and ALS inhibiting herbicide-resistant S. trifolia and R. indica were only found in Gimhaesi. Therefore, these results will be utilized to estimate population dynamics of ALS inhibiting herbicide-resistant weeds and provide proper management practices in the paddy fields of Gyeongnam province.

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庆南稻田ALS抗除草剂杂草的发生与分布

采用土壤分析方法，调查了2017年和2018年韩国庆南水田抗ALS除草剂杂草的发生和分布情况，并估计了稻田抗除草剂杂草的出现面积。与2012年调查结果相比，本研究表明，抗ALS除草剂杂草侵染率由1.0%增加到66.8%，侵染面积由876 ha增加到49,008 ha。蔚山市(8.4%)、河川郡(8.3%)、咸万郡(7.9%)、高城郡(7.9%)、河东郡(7.3%)、晋州市(7.2%)、昌宁郡(7.0%)、金海市(6.4%)、密阳市(5.5%)、釜山市(4.9%)、宜宁郡(4.6%)、南海郡(4.3%)、巨昌郡(4.2%)、昌原市(3.8%)、巨济市(2.9%)、梁山市(1.8%)、三清郡(0.9%)、统营市(0.4%)等地均有抗除草剂杂草出现，咸阳郡未发现抗除草剂杂草。水田抗ALS最强的杂草为阴道单毛菌，其次为米紫锥藻、黑林桐、山楂、刺头草、异棘草、三叶矢车菊和印度轮苔。ALS抑制抗除草剂的阴道芽孢杆菌、杜鹃芽孢杆菌和稻状芽孢杆菌在庆南全省均有发现，而抑制抗除草剂的三叶草芽孢杆菌和籼稻芽孢杆菌仅在庆海地区发现。因此，这些结果将用于估计ALS抑制抗除草剂杂草的种群动态，并为庆南水田提供适当的管理措施。

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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Weed&Turfgrass Science

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