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首页> 外文期刊>Weed technology >Effect of Simulated Rainfall, Insecticide Formulation, and Insecticide Application Method on the Interaction beatween Nicosulfuron and Terbufos in Corn (Zea mays)
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Effect of Simulated Rainfall, Insecticide Formulation, and Insecticide Application Method on the Interaction beatween Nicosulfuron and Terbufos in Corn (Zea mays)

机译：模拟降雨，杀虫剂配方和杀虫剂施用方法对玉米中烟嘧磺隆和特布佛斯之间相互作用的影响

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摘要

Applications of both terbufos and nicosulfuron can result in a synergistic interaction that injures corn. Field studies were conducted at two Illinois locations in 1991 to determine the effect of insecticide formulation and application method on the serverity of this interaction. Terbufos, applied to the soil at planting, interacted with nicosulfuron applied postemergence to injure corn and reduce grain yield. In-furrow-applied terbufos caused a more injurious interaction to corn than terbufos placed in a surface band; the 15G formulation was more injurious than the 20CR formulation. Simulated rainfall timing experiments were conducted in 1992 and 1993 by treating corn with terbufos 15G and terbufos 20CR and applying rainfall (3.8 cm) 1, 7, or 14 d before nicosulfuron application. No visual injury or yield reductions were noted in corn treated with nicosulfuron alone. Terbufos 15G caused greater com injury than did terbufos 20CR at each rainfall timing when sprayed with nicosulfuron. Corn injury and subsequent grain yield that can result from the interaction between nicosulfuron and terbufos was greater when simulated rainfall occurred 1 and 7 d before nicosulfuron application than when rainfall occurred 14 d before application.
机译：terbufos和烟嘧磺隆的同时应用可能导致玉米的协同相互作用。 1991年在伊利诺伊州的两个地点进行了实地研究，以确定杀虫剂的配方和施用方法对这种相互作用的危害性。种植时将Terbufos施用到土壤上，与烟嘧磺隆相互作用，在芽后施用以伤害玉米并降低谷物产量。与在表带中放置的terbufos相比，在沟内施用的terbufos对玉米的伤害更大。 15G配方比20CR配方更具伤害性。在1992年和1993年通过用terbufos 15G和terbufos 20CR处理玉米并在烟嘧磺隆施用前1、7或14 d施用了3.8 cm降雨来进行模拟降雨时间实验。单独使用烟嘧磺隆处理的玉米未发现视觉损伤或产量降低。当喷洒烟嘧磺隆时，在每个降雨时间，Terbufos 15G造成的伤害比Terbufos 20CR大。烟嘧磺隆施用前1和7 d发生模拟降雨时，烟嘧磺隆和terbufos相互作用引起的玉米伤害和随后的籽粒产量要比施用前14 d发生的情况更大。

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