larvicidal

简明释义

英[ˌlɑː.vɪˈsaɪ.dəl]美[ˌlɑr.vɪˈsaɪ.dəl]

杀幼虫的

杀蚴的

英英释义

单词用法

同义词

反义词

例句

1.Larvicidal oil or larvicide (such as temephos, Bacillus thuringiensis subspecies israelensis etc.) can be applied to stagnant water.

可向积水中加入蚊油或杀幼虫剂（例如双硫磷、杆菌属亚种苏云金杆菌等）。

2.Objective:To observe the larvicidal activity of the dried genetically engineered Cyanobacteria against the larvae of Culex pipiens pallens.

目的：观察干燥贮存的基因工程藻对淡色库蚊幼虫的杀灭效果。

3.Larvicidal oil or larvicide (such as temephos, Bacillus thuringiensis subspecies israelensis etc. ) can be applied to stagnant water directly with dosage according to the label instructions.

须直接向积水用蚊油或杀幼虫剂（例如相硫磷、杆菌属亚种苏云金杆菌等），按照标签上所列明的剂量。

4.The larvicidal activity of avermectin was significantly higher than that of spinosad, and both decreased with increase of the larval age.

对幼虫的生物活性，均随虫龄的增加而下降，且集琦虫螨克的活性远比菜喜高。

5.Larvicidal oil or larvicide (such as temephos, Bacillus thuringiensis subspecies israelensis etc. ) can be applied to stagnant water directly with dosage according to the label instructions.

须直接向积水用蚊油或杀幼虫剂（例如相硫磷、杆菌属亚种苏云金杆菌等），按照标签上所列明的剂量。

6.The larvicidal product was tested in various field trials before being approved for use.

该幼虫杀灭剂产品在获得使用批准之前经过了多项田间试验。

7.The city implemented a new larvicidal treatment to control the mosquito population.

该市实施了一种新的幼虫杀灭剂处理，以控制蚊子数量。

8.Farmers are using larvicidal agents to protect their crops from insect infestations.

农民们正在使用幼虫杀灭剂来保护他们的作物免受昆虫侵害。

9.Using a larvicidal spray can effectively reduce the number of breeding sites for pests.

使用幼虫杀灭剂喷雾可以有效减少害虫的繁殖地点。

10.The environmental agency recommended a larvicidal solution to prevent the spread of diseases.

环境机构建议使用幼虫杀灭剂解决方案以防止疾病传播。

作文

In the ongoing battle against vector-borne diseases, the term larvicidal plays a crucial role in the strategies employed to control mosquito populations. Mosquitoes are not only a nuisance but also carriers of deadly diseases such as malaria, dengue fever, and Zika virus. To combat these threats, public health officials and environmentalists have turned to various methods, including the use of larvicidal agents. These agents specifically target the larval stage of mosquitoes, effectively reducing their numbers before they can mature into adults capable of spreading disease.The effectiveness of larvicidal treatments lies in their ability to disrupt the life cycle of mosquitoes. By applying these agents to standing water where mosquitoes breed, we can kill the larvae before they develop into flying adults. This method is not only efficient but also environmentally friendly when using biological larvicidal products, such as bacteria that are harmful to mosquito larvae but safe for other wildlife. One of the most commonly used larvicidal substances is Bacillus thuringiensis israelensis (Bti), a naturally occurring bacterium. When introduced into water bodies, Bti releases toxins that specifically target mosquito larvae, causing them to stop feeding and eventually die. This targeted approach minimizes the impact on non-target species, making it a preferred choice among ecologists and pest control professionals.Moreover, the application of larvicidal agents is often complemented by community engagement and education. Awareness programs help inform residents about the importance of eliminating standing water around their homes, which is crucial for preventing mosquito breeding. By combining community efforts with the use of larvicidal treatments, we can create a comprehensive strategy to reduce mosquito populations and, consequently, the incidence of mosquito-borne diseases.Despite the advantages of larvicidal measures, challenges remain. Resistance to certain chemical larvicidal agents has been observed, prompting researchers to explore new compounds and alternative methods. Integrated pest management (IPM) strategies are being developed, which combine biological control, habitat manipulation, and the judicious use of chemical treatments. This holistic approach aims to maintain effective control over mosquito populations while minimizing environmental impact.In conclusion, the role of larvicidal agents in controlling mosquito populations is indispensable in the fight against vector-borne diseases. By focusing on the larval stage of mosquitoes, we can significantly reduce their numbers and mitigate the risks associated with their bites. Continued research and community involvement are essential to enhance the effectiveness of these measures and ensure a healthier environment for all. As we strive to protect public health, understanding and utilizing larvicidal strategies will be paramount in our ongoing efforts to combat mosquito-borne illnesses.

在与媒介传播疾病的持续斗争中，术语larvicidal在控制蚊子种群的策略中起着至关重要的作用。蚊子不仅令人厌烦，而且是致命疾病的传播者，如疟疾、登革热和寨卡病毒。为了应对这些威胁，公共卫生官员和环保人士转向了各种方法，包括使用larvicidal剂。这些剂专门针对蚊子的幼虫阶段，有效地减少它们的数量，以防止它们成熟为能够传播疾病的成虫。larvicidal处理的有效性在于其能够破坏蚊子的生命周期。通过将这些剂施加到蚊子繁殖的静水中，我们可以在它们发育成会飞的成虫之前杀死幼虫。这种方法不仅高效，而且在使用生物性larvicidal产品（如对蚊子幼虫有害但对其他野生动物安全的细菌）时，对环境友好。最常用的larvicidal物质之一是巴氏芽孢杆菌以色列变种（Bti），这是一种自然存在的细菌。当引入水体时，Bti释放的毒素专门针对蚊子幼虫，使其停止进食并最终死亡。这种针对性的方法最大限度地减少了对非目标物种的影响，使其成为生态学家和害虫控制专业人士的首选。此外，larvicidal剂的应用通常与社区参与和教育相辅相成。宣传项目帮助居民认识到消除家周围静水的重要性，这对于防止蚊子繁殖至关重要。通过将社区努力与使用larvicidal处理相结合，我们可以创建一个全面的战略，以减少蚊子种群，从而减少蚊子传播疾病的发生率。尽管larvicidal措施具有优势，但仍然面临挑战。已经观察到对某些化学larvicidal剂的抗药性，这促使研究人员探索新的化合物和替代方法。正在开发综合害虫管理（IPM）策略，结合生物控制、栖息地管理和审慎使用化学处理。这种整体方法旨在保持对蚊子种群的有效控制，同时最小化环境影响。总之，larvicidal剂在控制蚊子种群中的作用在与媒介传播疾病的斗争中不可或缺。通过关注蚊子的幼虫阶段，我们可以显著减少它们的数量，并减轻与其叮咬相关的风险。持续的研究和社区参与对于提高这些措施的有效性和确保所有人健康的环境至关重要。当我们努力保护公共健康时，理解和利用larvicidal策略将在我们继续努力打击蚊子传播疾病的过程中发挥关键作用。