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25%砜嘧磺隆水分散粒剂在亚麻田中的除草效果及安全性评价

作  者:
赵振玲;刘其宁;何丽红;曾绍安;刘飞虎;吴学英;杜刚
单  位:
云南武定县农业技术推广中心;云南省农业科学院油料作物研究所;云南大学生命科学学院生物系;云南弥渡县农业技术推广中心
关键词:
砜嘧磺隆;除草效果;亚麻;安全性
摘  要:
亚麻田中18.75ga.i./hm2砜嘧磺隆水分散粒剂的除草试验表明:药后50d,杂草鲜重防效达54% ̄99%,与对照相比达极显著差异。在本试验条件下,药后50d内,该药会稍稍抑制亚麻生长,表现出处理的苗矮于对照。但后期这个抑制会逐渐减轻或消除,亚麻生长正常,收割时植株高度与对照没有显著差异。因此,砜嘧磺隆对亚麻安全,除草效果也好,可用于亚麻田除草。
译  名:
Evaluation of Weed Control and Crop Injury in Flax with Rimsulfuron 25% WG
作  者:
ZHAO Zhen-Ling1, LIU Qi-Ning1, HE Li-Hong2, ZENG Shao-An3, LIU Fei-Hu4, WU Xue-Ying1, DU Gang1(1Oil Crops Research Institute, Yunnan Academy of Agricultural Sciences, Kunming 650205, China; 2Midu County Agro-Tech ExtensionCenter, Yunnan Province, Midu 675600, China; 3Wuding County Agro-Tech Extension Center, Yunnan Province, Wuding 651600,China; 4Biology Department, College of Life Sciences, Yunnan University, Kunming 650091, China)
关键词:
rimsulfuron, control efficacy, flax, crop safety
摘  要:
Results from a weed control experiment in flax with rimsulfuron 25% water dispersible granule at 18.75 g a.i/ha showedweed fresh weight reductions ranging from 54 to 99% 50 d after treatment. Differences between treated and untreatedplots were highly significant. Under the given experimental conditions, rimsulfuron slightly inhibited flax growth,resulting in shorter plants 50 d after treatment. At later stages, the inhibition was gradually reduced or completelyalleviated. Thus, rimsulfuron is safe for use in flax and provides good weed control as well.

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