rootworm

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英 { "us": "", "uk": "" }
数据源: ai_enrichment
根虫是一种以植物根部为食的昆虫或线虫,常见于农业害虫中,会损害作物生长。

用法要点

句型搭配

通常用作可数名词,在句子中作主语或宾语,描述害虫对植物的危害。

• The rootworm is damaging the corn.
• Farmers need to control rootworms.

介词用法

常与介词“in”或“on”连用,表示根虫在植物根部的位置或活动。

• Rootworms in the soil can be hard to detect.
• They found rootworms on the roots.

语域说明

主要用于农业、园艺和生物学等专业领域,日常对话中较少使用,属于技术性词汇。

• This pesticide targets rootworms effectively.
• The study focused on rootworm resistance.

基础例句

My garden has a rootworm problem, so the plants aren't growing well.

我的花园有根虫问题,所以植物长得不好。

We need to check for rootworms before planting the new seeds.

在播种新种子之前,我们需要检查是否有根虫。

The farmer said rootworms are eating the roots of the corn.

农民说根虫正在啃食玉米的根部。

If you see yellow leaves, it might be due to rootworms.

如果你看到叶子变黄,可能是根虫造成的。

高级例句

Agricultural research indicates that rootworm resistance to pesticides is increasing, necessitating integrated pest management strategies.

农业研究表明,根虫对农药的抗性正在增强,需要采用综合害虫管理策略。

In crop rotation systems, farmers can reduce rootworm infestations by alternating with non-host plants.

在轮作系统中,农民可以通过与非寄主植物轮作来减少根虫侵扰。

The economic impact of rootworm damage on maize yields is significant, leading to substantial losses in the agricultural sector.

根虫损害对玉米产量的经济影响显著,导致农业部门遭受重大损失。

Biotechnology has developed rootworm-resistant corn varieties to mitigate pest-related crop failures.

生物技术已开发出抗根虫的玉米品种,以减轻害虫相关的作物歉收。

高频搭配

verb

control rootwormsinfest with rootwormsdamage by rootwormstreat for rootwormsmonitor rootworms

adjective

corn rootwormwestern rootwormresistant rootwormsevere rootwormcommon rootworm

noun

rootworm infestationrootworm larvaerootworm damagerootworm populationrootworm species

adverb

heavily infested with rootwormseffectively control rootwormscommonly found rootworms

preposition

rootworms in the fieldrootworms on cropsrootworms from the soil

phrase

rootworm managementrootworm control measuresrootworm-resistant cropsrootworm life cycle

常见错误

❌ 错误:The rootworm is a kind of worm that eat leaves.
✓ 正确:The rootworm is a kind of insect or nematode that eats roots.

错误在于描述根虫吃叶子,而实际上根虫以根部为食;应准确说明其食性。

❌ 错误:I saw many rootworms in the tree.
✓ 正确:I saw many rootworms in the soil or on plant roots.

错误在于将根虫置于树上,根虫通常生活在土壤或植物根部;应使用正确的位置介词。

近义词辨析

nematode

线虫是一类微小的蠕虫状生物,可能包括根虫,但根虫特指以根部为食的线虫或昆虫,范围更窄。

Some nematodes are beneficial, but rootworms are harmful pests that target plant roots.

grub

蛴螬是甲虫幼虫的通用术语,可能包括根虫,但根虫更具体指食根种类,常用于农业语境。

Grubs can damage lawns, while rootworms specifically affect crop roots like corn.