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Polygonum cuspidatum Sieb. & Zucc. (=Fallopia japonica (Houtt. Dcne.) (草本植物, 灌木) |
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管理信息
预防措施:英国野生动物和乡村法规定,让 Fallopida japonica在荒野生长是非法的,而且它是受美国一些州的控制法案支配。物理方法:机械控制的方法,如切割、修剪,效果可以维持很长的时间,但需要是持续地做,而且废弃物需谨慎处理。它适用于小型原始族群或者不能够使用除草剂的与环境敏感地区。(Remaley, 1997) 化学方法:砍筏树茎的处理方法能被使用在植株附近没有非目标植物的地方。应该在离地5公分处切断茎,并立即在切割处使用25%glyphosate水溶液。随后可能也必需在叶面上喷施草甘膦。叶面上喷施的方法能被用来控制大的族群。也许有必要兼用叶面上喷施与砍筏枝干,减少损坏非目标物种的风险。在水流附近使用化学治疗时,一定要小心。
地点特有的管理信息Cornwall Foliar spray has been used successfully as a method of control, but concerns have been raised on the effect of foliar spray on non-target plants and the erosion that may result on steep banks from the two visits of sprayers. A study was commissioned to look at new ways of controlling knotweed using a cut and injection method, directly into the hollow stem. The study also compared a variety of herbicides known to have been successful in controlling knotweed using the traditional foliar spray methods and looked at the optimum concentration, timing and application technique. It also investigated the effect on the surrounding ground flora and shrubs/trees. Results of the study indicate that the cut and inject method had several advantages over foliar spray: it required only one visit per year, the follow up treatment involved spot spraying of new regrowth (too small for the cut and inject method); could be used in windy conditions and although desigend for use in areas of high conservation value, could be used in any situation. For more details please see ConservationEvidence.com, Case study 33: Cut and inject herbicide control of Japanese knotweed Fallopia japonica, in Cornwall, England. We are experiencing technical difficulties and unable to complete your request. Please try later.
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