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首页> 外文期刊>Plant Protection Science >Selectivity and efficacy of herbicides dimethachlor and pethoxamid in rocket crop
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Selectivity and efficacy of herbicides dimethachlor and pethoxamid in rocket crop

机译：除草剂中的选择性和疗效与火箭作物中除草剂和吡啶胺的疗效

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Field experiments were conducted to evaluate the efficacy, selectivity and health harmlessness of four application rates of two pre-emergent herbicides (pethoxamid and dimethachlor) in the rocket [Eruca vesicaria (L.) Cavanilles)]. Pethoxamid was found to be less efficient on the total weed density (efficacy 86.0–93.3%) in comparison with the effect of dimethachlor (94.9–95.8%). Dimethachlor expressed an excellent efficacy on Echinochloa crus-galli (L.) P. Beauvois, Portulaca oleracea Linnaeus, Amaranthus retroflexus Linnaeus, Lamium purpureum Linnaeus, and Veronica persica Poiret from the lowest tested application rate (800 g/ha). Pethoxamid showed an excellent efficacy on E. crus-galli, Lamium purpureum, Lamium amplexicaule Linnaeus, V. persica, and P. oleracea. In higher application rates, pethoxamid controlled Chenopodium polyspermum Linnaeus and Chenopodium album Linnaeus. In contrast to mostly negative effects of dimethachlor, pethoxamid showed either no effects or positive ones on the rocket yield. Residues of both herbicides in the harvested product were always below a 'default limit', which is the baseline maximum residue level for food. The selectivity of pethoxamid at an application rate of 960 g/ha was good, herbicide residues in the rocket were not detected and the yield of the rocket increased.
机译：进行现场实验，以评价射箭两种预先出生的除草剂（哌嗪酰胺和二甲基氯）的四种应用率的疗效，选择性和健康的无害性[Eruca Vesicaria（L.）Cavanilles]。与Dimethorl（94.9-95.8％）的影响相比，发现哌昔米德对总杂草密度（疗效86.0-93.3％）的效率较低。 Dimethachll在Echinochloa Crus-galli（L.）P.Babuvois，Portulaca Oleracea Linnaeus，苋属retroflexus Linnaeus，Lamium purpureum Linnaeus和Veronica Persica Poiret的优异疗效表达了来自最低测试速率（800克/公顷）。哌嗪酰胺显示出对大肠杆菌，薄荷葡萄球菌，薄荷植物，薄膜Amplexicule Linnaeus，V.Sperica和P. Oleracea的优异疗效。在较高的应用程序率中，偏氧杂氨酸控制的辛博博钠Polyspermum Linnaeus和Chenopodium album Linnaeus。相反，与二甲基氯的大多数负面影响相比，偏氧肟酰胺在火箭产量上显示出没有影响或阳性。收获产物中的除草剂的残留物始终低于“默认限制”，这是食物的基线最大残留水平。哌嗪基以960g / ha的施用速率的选择性是良好的，未检测到火箭中的除草剂残留物，并且火箭的产量增加。

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