P. V. Silva, João P. Z. Coeti, Andrea Ferrari, Karolainy T. da S. Melo, R. C. Dias, B. F. Schedenffeldt, P. A. Monquero, Pedro A. V. Salmazo, E. Medeiros, C. C. Bicalho, M. Mauad
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引用次数: 0
摘要
安装在高海拔和靠近森林地区的咖啡种植园高度感染了堇青花。本研究的目的是评价不同出苗前和出苗后除草剂处理对机械刈割后堇青花的效果。采用4个重复的完全随机设计,以施用除草剂为主区,初次施用后d为次区,在自然侵染堇青花的咖啡种植区进行田间试验。处理方法为:氟芬那西+草甘膦(70 + 960 g a.i. ha-1);氯脲+草甘膦(80 + 960 g A.I. ha-1);甲磺隆+草甘膦(6 + 960 g A.I. ha-1);氟唑嗪+草甘膦(25 + 960 g A.I. ha-1)和草甘膦(960 g A.I. ha-1);依次施用草甘膦(960 g A.I. ha-1);草甘膦+ indaziflam (960 + 75g A.I. ha-1);Indaziflam (75g A.I. ha-1);不使用除草剂的控制。机械控制后,氟恶嗪+草甘膦和甲磺隆+草甘膦处理首次应用和顺序应用茚地夫兰,证明是有效的。控制这种杂草应基于从田间清除其植物残留物,以减少地生块茎的再生和发芽。
Management strategies for Anredera cordifolia in coffee culture
ABSTRACT Coffee plantations installed at high altitudes and near forested areas have been highly infested with Anredera cordifolia. The objective of this work was to evaluate the effectiveness of different pre- and post-emergence herbicide treatments on A. cordifolia after mechanical mowing. A field experiment was carried out in a coffee plantation with natural infestation of A. cordifolia in a completely randomized design with a split-plot scheme and four replicates, in which the main plot an herbicides application and the subplot was the days after the initial application (DAI). The treatments were as follows: saflufenacil + glyphosate (70 + 960 g a.i. ha-1); chlorimuron + glyphosate (80 + 960 g a.i. ha-1); metsulfuron + glyphosate (6 + 960 g a.i. ha-1); flumioxazin + glyphosate (25 + 960 g a.i. ha-1), and glyphosate (960 g a.i. ha-1); with sequential application of glyphosate (960 g a.i. ha-1); glyphosate + indaziflam (960 + 75 g a.i. ha-1); indaziflam (75 g a.i. ha-1); and a control without herbicide application. Mechanical control, followed by the application of the treatments flumioxazin + glyphosate and metsulfuron + glyphosate in the first application and sequential application of indaziflam, proved to be effective. Control of this weed should be based on the removal of its plant residues from the field to reduce the regrowth and germination of aerial tubers.