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3种除草剂与尿素混用对草坪杂草除草活性的研究
Effect of three herbicide application in combination with urea on herbicidal activity on turf weeds

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3种除草剂与尿素混用对草坪杂草除草活性的研究.pdf (217.9Kb)
Date
2011
Author
陈卉
杨剑
叶勇
谢普清
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  • 化学化工-已发表论文 [14237]
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Abstract
以细叶结缕草草坪中4种常见杂草为对象,通过盆栽试验研究3种草坪除草剂草坪隆5号、金百秀、秀白宫与尿素混用对供试草种鬼针(bIdEnS PIlOSA)、三叶草(TrIfOlIuM HybrIduM)、马蹄金(dICHOndrA rEPEnS)、狗尾草(SETArIA)萌发及幼苗生长的影响。结果表明,与尿素混用显著增强了3种草坪除草剂抑制杂草萌发、根芽生长的生物活性,且随着尿素浓度的增加而增效加强。在各处理中,3种除草剂的除草活性为:除草剂+1.0%尿素>除草剂+0.5%尿素>单施除草剂(最大田间使用量)>单施除草剂(1/2最大田间使用量)。同时,尿素对除草剂的增效在除草剂和杂草之间存在差异。
 
This paper evaluated the joint effect of three turf herbicides and urea on herbicidal activity on 4 selected turf weeds through potted experiments.The weed species were Bidens pilosa,Trifolium hybridum,Dichondra repens,Setaria,which were common weeds in Zoysia tenuifolia.The results revealed that herbicide application in combination with urea solution performed better than use of herbicide alone in inhibiting germination,root and shoot development of all tested weed species,and the strengthen effects significantly increased with the urea concentration.Among all treatments,the herbicidal activity order was herbicide+1.0% urea> herbicide+0.5% urea> herbicide(at maximum field application rate) > herbicide(at 1/2 maximum field application rate).There were differences among fertilizer and weed species in the strengthen effects of urea.
 
Citation
广东农业科学,2011,(6):92-95
URI
https://dspace.xmu.edu.cn/handle/2288/106440

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