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首页> 外文期刊>Acta Horticulturae >Weed control in no-tillage zucchini squash production.
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Weed control in no-tillage zucchini squash production.

机译:免耕西葫芦南瓜生产中的杂草控制。

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A field study was conducted in Illinois, USA, over two growing seasons (2000 and 2001) to determine the effect of preemergence (PRE) herbicides or combinations of PRE herbicides on control of smooth crabgrass (Digitaria ischaemum) and redroot pigweed (Amaranthus retroflexus) in no-tillage 'Independence II' zucchini squash production. In 2000, clomazone+imazamox, clomazone+ethalfuralin, and dimethenamid resulted in sufficient weed control along with little crop injury/growth reduction and high squash yields. In 2001, the above mentioned herbicides except dimethenamid had the greatest potential for no-tillage squash production, as these treatments resulted in the best overall weed control while providing little crop injury/growth reduction and high squash yields. The clomazone and no-herbicide treatments tended to produce high early-season yields over both years; however, weed emergence and competition increased in these treatments over the production season, and tended to cause a yield decrease. Data collected over the 2000 and 2001 growing seasons indicate that clomazone+imazamox and clomazone+ethalfuralin resulted in the best overall weed control without having a detrimental influence on 'Independence II' squash yields in a no-tillage production system. In addition, these two herbicide combinations caused minimal or no effects on zucchini squash stand, squash growth, yield or maturity.
机译:在美国伊利诺伊州的两个生长季节(2000年和2001年)进行了田间研究,以确定出苗前(PRE)除草剂或PRE除草剂组合对平滑马尾草(Digitaria ischaemum)和紫菜杂草(Amaranthus retroflexus)的控制效果免耕的“独立II”西葫芦南瓜。在2000年,广灭灵+ imazamox,广灭灵+ ethalfuralin和丁二烯酰胺使杂草得到了充分的控制,几乎没有作物伤害/生长减少,南瓜产量高。在2001年,上述除草剂除丁二烯菊酯以外具有最大的免耕南瓜生产潜力,因为这些处理方法可实现最佳的总体杂草控制,同时几乎不损害作物/减少生长,并具有较高的南瓜产量。在过去的两年中,使用广灭灵和不使用除草剂的处理往往会产生较高的早期季收率。然而,在整个生产季节中,这些处理的杂草出苗和竞争加剧,并往往导致产量下降。在2000年和2001年生长季节收集的数据表明,在免耕生产系统中,clomazone + imazamox和clomazone + ethalfuralin可以实现最佳的总体杂草控制,而对“ Independence II”南瓜的产量没有不利影响。另外,这两种除草剂组合对西葫芦南瓜的生长,南瓜的生长,产量或成熟度影响很小或没有影响。

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