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Position: Home > Articles > Investigation of Field Weed and Screening of Herbicide on Avena nuda L. Horticulture & Seed 2011 (2) 49-51

莜麦田间杂草调查及除草剂的筛选

作  者：
杨书成;韩美善;韩启亮;王建雄;智建
单  位：
山西省农业科学院五寨试验站;山西省农业科学院玉米研究所
关键词：
莜麦;田间杂草,除草剂
摘  要：
[目的]筛选适宜五寨县莜麦田的除草剂。[方法]以二甲四氯、苯磺隆和2,4-D丁酯为供试药剂,通过调查五寨县莜麦田杂草种类和数量,研究3种除草剂的除草效果及对莜麦产量的影响。[结果]五寨县莜麦田杂草主要有狗尾草、稗草、碱草、茅草、禾草、芒草、雀麦草等1年生禾本科杂草,灰菜、苋菜、胡舌芽等1年生藜科杂草,以及菊科杂草甜苣、苦苣和苍耳、田旋花、酸地柳等;使用传统的人工锄草灭草和增产效果最好;化学除草剂2,4-D丁酯稀释1500～2000倍除草效果较好,分别较喷施二甲四氯、苯磺隆增产4.62%和3.82%。[结论]采用"先使用化学除草剂,再人工锄草,或后期拔大草"模式除草效果最好。
译  名：
Investigation of Field Weed and Screening of Herbicide on Avena nuda L.
作  者：
YANG Shu-cheng et al(Corn Research Institute of Shanxi Academy of Agricultural Sciences,Xinzhou,Shanxi 034000)
关键词：
Avena nuda L.;Field grass;Herbicides
摘  要：
[Objective] The aim was to screen herbicides which were suitable for Wuzhai county.[Method] With MCPA,tribenuron-methyl and 2,4-D butylate as tested reagents,through the investigation of weed species and quantity in the field of Avena nuda L.in Wuzhai county,the weed control effect of three herbicides and its effect on yield of Avena nuda L.were studied.[Result] The field weeds of Avena nuda L.in Wuzhai county were annual gramineae weeds such as Setaria viridis(L.) Beauv.,Echinochloa crusgalli(L.) Beauv.,Leymus chinensis(Trin.) Tzvel.,Rhizoma imperatae,IlliciumlanceolatumA.C.Smith,BromusjaponicusThunb,etc,annual Chenopodiaceae gramineae weeds such as Chenopodium albumL.,Amaranth,etc,and Asteraceae,such as Xanthium sibiricum,Convolvulus arvensis L.,etc.The effects of weed control and yield increasing were the best by artificial weeding.The weed control effect by using 2,4-D butylate diluted with 1 500 to 2 000 times was the best,which increased yield by 4.62% and 3.82% compared with spraying with MCPA and tribenuron-methyl,resp.[Conclusion] The weed control effect was the best with the mode of "using chemical herbicides firstly,and then manual weeding,or later pull larger grass".

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