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首页> 外文会议>The 18th Asian-Pacific Weed Science Society Conference >EFFECTS OF ADJUVANTS, SOIL MOISTURE AND ATRAZINE ON THE ACTIVITY OF NICOSULFURON ON LARGE CRABGRASS (DIGITARIA SANGUINALIS)
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EFFECTS OF ADJUVANTS, SOIL MOISTURE AND ATRAZINE ON THE ACTIVITY OF NICOSULFURON ON LARGE CRABGRASS (DIGITARIA SANGUINALIS)

机译：助剂，土壤水分和ATRAZINE对尼古舒龙对大蟹（DIGITARIA SANGUINALIS）活性的影响

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Greenhouse experiments were conducted to examine the influence of adjuvants, soil moisture stress and atrazine on the performance of nicosulfuron on large crabgrass (Digilaria sanguinalis L). Nicosulfuron was applied alone or in combination with 0.5% (v/v) Sun oil, 0.5% (v/v) Agrirob, 0.25% (v/v) Genapol, 0.1% (v/v) Lissapol and 0.25% (v/v) Silwet L-77. All adjuvants except Silwet L-77 improved the performance of nicosulfuron. A reduced efficacy was found when nicosulfuron was mixed with Silwet L-77. Three levels of soil moisture stress (none, moderate and high) were obtained by stopping watering of the pots 0, 3 and 6 days before treatment, respectively. The results demonstrated that water stress increased the ED_(50) dose irrespectively of whether nicosulfuron was applied alone or in mixture with 0.5% (v/v) Lissapol. Atrazine at 200 and 400g ha~(-1) mixed with nicosulfuron at 40g ha~(-1) did not reduce the activity of nicosulfuron on large crabgrass. It was concluded that atrazine at the rate used in the present experiment did not antagonise nicosulfuron.
机译：进行了温室试验，以研究佐剂，土壤水分胁迫和at去津对烟嘧磺隆在大型马尾草（Digilaria sanguinalis L）上的性能的影响。烟嘧磺隆可单独使用或与0.5％（v / v）的太阳油，0.5％（v / v）的Agrirob，0.25％（v / v）的Genapol，0.1％（v / v）的Lissapol和0.25％（v / v）组合使用v）Silwet L-77。除Silwet L-77以外的所有佐剂均可改善烟嘧磺隆的性能。当烟嘧磺隆与Silwet L-77混合时，发现疗效降低。通过在处理前第0、3和6天停止浇水，可得到三种水平的土壤水分胁迫（无，中等和高）。结果表明，无论单独使用烟嘧磺隆，还是与0.5％（v / v）的利沙泊尔混合使用，水胁迫都会增加ED_（50）剂量。 200和400g ha〜（-1）的去津与40g ha〜（-1）的烟嘧磺隆混合不会降低烟嘧磺隆对大型马尾草的活性。结论是，本实验中使用的速率的at去津不会拮抗烟嘧磺隆。

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