大豆作物后置除草剂的有效性

O. Tsyuk, D. Marchenko
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摘要

本文介绍了出苗期除草剂及其药剂组成对大豆杂草的防治效果的研究结果。结果发现,使用Miura可使作物收获时的总杂草水平降低- 75 - 78%,杂草原重降低- 19 - 46%。确定罐内混合液采用Harmony - 3 g / ha +表面活性剂Trend - 0、2 l / ha + Bazagran - 1.5 l / ha, 8-10天后Harmony - 5 g / ha和使用抗谷物药物Miura - 0、4 l / ga。采用该药剂后,双子叶植物在施用一个月后的死亡率达到93%,谷类杂草的死亡率为- 84%。残留杂草的重量为52 g / m2,比对照减少87%。使用Harmony - 8 g /公顷+ Bazagran - 1.75 l /公顷和抗谷物产品- Miura - 0.6 l /公顷,在使用除草剂后,每个月作物的杂草总数减少了86%。双子叶杂草的死亡率为83%。收获前杂草总重比对照减少91%,为62 g / m2。施用和谐- 3 g +表面活性剂Trend - 0.2 l和三浦- 0.4 l的混合剂,最大收获量为2.45 t。比较产量缺失,说明大豆的遗传变异产量较低。这些除草剂及其组成对大豆具有较高的选择性。通过减少除草量,他们使每公顷产量增加了0.57 - 1.11吨。在混合除草条件下,出苗后除草剂的效果为:Harmony - 3 g / ha + Bazagran - 1,5 l / ha, 8-10 d; Harmony - 5 g / ha + Miura - 0,4 l / ha;和谐- 8克在哈+巴扎格兰- 1.5克在哈和三浦- 0.6克在哈。
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The effectiveness of post-herbicides in soybean crops
The article presents the results of studies on the effect of postemergence herbicides and their tank compositions on soybean weeds. It was found that the use of Miura allowed to reduce the level of total weediness of crops, at the time of harvest by – 75 78 %, the raw weight of weeds – by 19– 46 %. It is established that the use of the tank mixture Harmony – 3 g on ha + surfactant Trend 0,2 l on ha + Bazagran – 1.5 l on ha, afte 8-10 days Harmony – 5 g on ha and the use of anticereal drug Miura – 0,4 l on ga. With the introduction of such a tank mix, the death of dicotyledonous species a month after application reached 93 %, and the death of cereal weeds was – 84 %. The weight of those weeds that remained in the agrocenosis was 52 g on m2, which is 87 % less than the control. The use of Harmony – 8 g on ha + Bazagran – 1.75 l on ha and the anti-cereal product – Miura – 0,6 l on ha helped to reduce the total weediness of crops by 86 % a month after the application of herbicides. The death rate of dicotyledonous weeds was 83 %. The total weight of weeds before harvest decreased by 91 % compared to the control and was 62 g on m2.The maximum soybean harvest – 2,45 t on ha provided the use of a mixture of Harmony – 3 g on ha + surfactant Trend – 0.2 l on ha and Miura – 0.4 l on ha. Comparing yield were absent, this indicates that soybean yields inherbicide variants were lower.The studies herbicides and their compositions showed high selectivity to soybean plants. By reducing the level of weeding, they contributed to an increase in yield by 0,57–1,11 t on ha. Under conditions of mixed weeding, the following mixtures of post-emergence herbicides were the best: Harmony – 3 g on ha + Bazagran – 1,5 l on ha in 8-10 days Harmony – 5 g on ha and Miura – 0,4 l on ha; Harmony – 8 g on ha + Bazagran – 1,5 l on ha and Miura – 0,6 l on ha.
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