systemic insecticide

简明释义

内吸杀虫剂

英英释义

例句

1.Applying systemic insecticide can help control aphid populations in your garden.

施用系统性杀虫剂可以帮助控制你花园中的蚜虫数量。

2.Some plants are more susceptible to systemic insecticide than others.

有些植物对系统性杀虫剂的敏感性比其他植物更高。

3.Before using a systemic insecticide, always read the label for safety instructions.

在使用系统性杀虫剂之前，务必阅读标签上的安全说明。

4.Farmers often use systemic insecticide to protect their crops from pests.

农民经常使用系统性杀虫剂来保护他们的作物免受害虫侵害。

5.The systemic insecticide works by being absorbed into the plant's tissues.

该系统性杀虫剂通过被植物组织吸收而发挥作用。

作文

In the world of agriculture, pest management is a critical aspect that farmers must navigate to ensure healthy crops and sustainable yields. One of the most effective tools in this regard is the use of systemic insecticide, which plays a pivotal role in controlling pest populations. Unlike traditional insecticides that only affect pests upon contact, systemic insecticide is absorbed by plants and transported throughout their tissues, making it a powerful solution for managing insect infestations.The primary advantage of systemic insecticide lies in its ability to provide long-lasting protection. When applied to the soil or foliage, these chemicals are taken up by the plant's roots or leaves and circulate within the plant's vascular system. This means that even if pests do not come into direct contact with the insecticide, they can still be affected when they feed on the plant. This method is particularly useful for crops that are susceptible to piercing and sucking insects, such as aphids and whiteflies, which can cause significant damage if left unchecked.Moreover, the targeted action of systemic insecticide reduces the risk of harming beneficial insects, such as pollinators and predatory insects that help control pest populations naturally. By minimizing the impact on non-target species, farmers can maintain a more balanced ecosystem while effectively managing pests. This is increasingly important in modern agriculture, where there is a growing emphasis on sustainable practices and environmental stewardship.However, the use of systemic insecticide is not without its challenges. There are concerns about the potential for these chemicals to persist in the environment and their impact on non-target organisms. For instance, if a plant treated with systemic insecticide is consumed by herbivores, the insecticide can enter the food chain, potentially affecting other wildlife. Additionally, there is a risk of developing resistance among pest populations, which can lead to reduced effectiveness over time.To mitigate these risks, it is crucial for farmers to adopt integrated pest management (IPM) strategies that combine the use of systemic insecticide with other control methods. This may include cultural practices, biological control, and the use of less harmful chemical alternatives. By employing a holistic approach, farmers can enhance the efficacy of pest management while minimizing negative environmental impacts.In conclusion, systemic insecticide represents a significant advancement in pest management technology, offering farmers an effective means of protecting their crops from destructive pests. While there are valid concerns regarding their environmental impact and the development of resistance, responsible use and integration with other pest management strategies can help maximize their benefits. As the agricultural industry continues to evolve, it is essential for stakeholders to remain informed about the best practices for using systemic insecticide to ensure both productivity and sustainability in farming operations.

在农业领域，害虫管理是农民必须应对的一个关键方面，以确保健康的作物和可持续的产量。在这方面，使用系统性杀虫剂是最有效的工具之一，它在控制害虫种群方面发挥着重要作用。与传统的接触性杀虫剂不同，系统性杀虫剂被植物吸收并在其组织中运输，使其成为管理昆虫侵扰的强大解决方案。系统性杀虫剂的主要优势在于其提供持久保护的能力。当施用到土壤或叶片上时，这些化学物质会被植物的根部或叶子吸收，并在植物的维管系统中循环。这意味着即使害虫没有直接接触杀虫剂，当它们以植物为食时仍然会受到影响。这种方法对于容易受到穿刺和吸食昆虫（例如蚜虫和白蝴蝶）侵害的作物特别有用，如果不加以控制，可能会造成重大损害。此外，系统性杀虫剂的针对性作用减少了对有益昆虫（如传粉者和捕食性昆虫）的伤害风险，这些昆虫有助于自然控制害虫种群。通过最小化对非目标物种的影响，农民可以在有效管理害虫的同时维护更平衡的生态系统。这在现代农业中越来越重要，现代农业越来越强调可持续实践和环境管理。然而，使用系统性杀虫剂并非没有挑战。人们对这些化学物质在环境中持久存在的潜在风险以及对非目标生物的影响表示担忧。例如，如果食用了处理过系统性杀虫剂的植物的草食动物，这种杀虫剂可能会进入食物链，从而对其他野生动物产生影响。此外，还有害虫种群发展抗药性的风险，这可能导致随着时间的推移效果降低。为了减轻这些风险，农民采用综合害虫管理（IPM）策略至关重要，这些策略将使用系统性杀虫剂与其他控制方法相结合。这可能包括文化做法、生物控制和使用危害较小的化学替代品。通过采用整体方法，农民可以增强害虫管理的有效性，同时最大限度地减少对环境的负面影响。总之，系统性杀虫剂代表了害虫管理技术的重要进步，为农民提供了一种有效的手段来保护他们的作物免受破坏性害虫的侵害。尽管关于它们的环境影响和抗药性发展的合理担忧，但负责任的使用和与其他害虫管理策略的整合可以帮助最大化其益处。随着农业行业的不断发展，利益相关者必须保持对使用系统性杀虫剂最佳实践的了解，以确保农业运营的生产力和可持续性。