查询词典 Amaranthus retroflexus L.

The results indicated that the values of EC50 of compound 1# was 0.019 mg·L-1, against germination of Amaranthus retroflexus.

测定了1#化合物对反枝苋的抑制活性，结果表明，1#化合物对反枝苋种子萌发的EC50 分别为0.019mg·L-1。

Greenhouse pot experiments were conducted to evaluate the joint effect of nicosulfuron + mesotrione and nicosulfuron + cyanazine against Amaranthus retroflexus L.

通过温室盆栽试验，采用Gowing法评价了烟嘧磺隆分别与硝磺草酮、氰草津混用对反枝苋、马唐的联合作用。

Thirdly, we also examine the effect of these extracts on maize seed germination rate, maize seeding height and fresh weight, and the results show that three extracts are safe to maize at the concentration of 1:20, with a inhibit rate under 4 %.We further identified and purified organic acids, alkaloids hydroxybenzenes and neutral materials from extract and examined their effects on Amaranthus retroflexus L. seeds.

实验结果表明在干样：水为1：50以内，这三种向日葵的叶片提取液对反枝苋种子萌发和幼苗株高、鲜重及出叶数的抑制效果都非常显著；随着提取液浓度的下降抑制作用也呈明显的下降趋势；通过实验数据比较，这三种向日葵叶片提取液对反枝苋种子萌发抑制和对反枝苋幼苗株高、鲜重及出叶数的抑制效果略有差异。

Herbicidal active ingredient extracted, isolated and identified from Paulownia tomentosa Steud against Amaranthus retroflexus L., Lactuca sative var.capitata L.

采用活性追踪和柱层析技术，以对杂草反枝苋、生菜、黄瓜种子胚根生长的抑制作用为指标，对泡桐花中除草活性成分进行了提取、分离和鉴定。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。