harmful plants

用法例句

Control policy of harmful plants in Xiqiaoshan Natural Forest Park

西樵山国家森林公园有害植物控制策略研究

The article probes into the concept of harmful forestry plants and their harms to Shanxi and proposes some measure to prevent and control alien harmful plants.

文章探讨了林业有害植物的概念及其在山西省的危害,提出对外来有害植物的预防及管理对策。

By preliminary investigation, there are 14 species harmful plants in Guangzhou city.

有害植物妨碍园林植物的生长。

The present situation of the harmful plant in Xiqiao mountain National Forest Park

西樵山国家森林公园有害植物现状分析

ccording to the incomplete statistics, there are 129 poisonous and harmful plant species, which belong to 78 genera and 31 families in Ningxia natural grassland.

其中有毒植物可根据家畜采食和中毒情况，划分为家畜经常误食的主要有毒植物、家畜能辨认不食的主要有毒植物、次要的有毒植物、既是可食饲草又在一定生育期有毒的植物等４类；有害植物则可根据对家畜危害情况的不同，划分为果实具特殊构造，放牧时能伤及畜体或危害畜产品的、花序具柔毛，家畜采食后能造成消化障碍的、含有某些化学物质，能影响产乳品质的等３类。

Study on the Species,Distribution and Damage of the Invasive Alien Harmful Plants in Dongting Area;

洞庭湖区外来有害植物种类、分布及危害的研究

species of harmful exotic plants belonging to 30 families, 53 genera in Xiamen area are described, and 12 important species are introduced in this paper.

本文较系统地报道厦门地区有害外来植物30 科53 属63 种,指出其原产地和生活型,分析其为害对象和危害程度,重点介绍其中对厦门地区危害较大的12 种,并提出预防和控制有害外来植物的设想和方法。

Eupatorium odoratum Linn, is a perennial grass or subshrub of the genus of Eupatorium(Compositae) , which has become a forestry harmful plant in China.

)为菊科(Compositae)泽兰属(Eupatorium)多年生丛生性草本或亚灌木,是我国重要的林业有害植物,对本地植物、经济林木及生物资源危害日趋严重。

Current situation and control measures of the damage of forest harmful plants in China/

我国林业有害植物危害现状及防控对策

Studies on Species,Distribution and Hazards of Exotic Harmful Plants in Changde City

常德市外来有害植物种类、分布及危害的研究

The Invasive Characteristics of the Forestry Harmful Plant Iva Xanthifolia Nutt.;

林业有害植物假苍耳的入侵特性研究

Invasive Characteristics of the Forestry Harmful Plant Mikania Micrantha;

林业有害植物薇甘菊入侵特性的研究

The Distribution and Control Measure of Poisonous Plants in Hami Grasslands

新疆哈密草地有毒有害植物的分布及防治措施

Study on the Content of Protein in Leaves of Some Important Exotic Harmful Plants in the East of Guangdong

粤东地区重要外来有害植物叶蛋白含量的研究

Integrative Method in Determing Population Diffusion of Exotic Harmful Plants

外来有害植物种群扩散的综合测定方法

The frost is injurious to the plants.

霜对植物是有害的。

An injurious plant or animal, especially one harmful to human beings.

有害动植物有害的植物或动物，尤指那些对人类有害的

Key words plant quarantine, interception, pest.

关键词植物检疫，截获，有害生物。

International Organization for Biological Control of Noxious Animals and Plants

国际有害动植物生物控制组织

weedy Eurasian plant often a pest in grain fields.

一种杂草类的欧亚植物，通常对谷物的种植有害。

The host plants were ornamental plants, perennial/biennial root garden plants, woody flower plants, cover plants and pulpy plants, and so on.

为害的寄主植物有观赏树木、宿根园林植物、木本花卉植物、地被植物及多浆植物等。

Air pollution also harms plants and animals.

大气污染同时也对动植物有害。

Lime in the soil is detrimental to some plants.

土壤里的石灰对某些植物有害。

Studies on the Key Technology of Pest Risk Analysis in Plant Protection;

植保有害生物风险分析关键技术研究

A Preliminary Study on 5 Species Invasive Plants in E. Guangdong;

粤东5种有害的外来入侵植物的研究

Gramineae, Myrsinaceae, Bambusoidea. Mostly Leguminosae, specifically aphis and coccids. Mainly damage Gramineae, Leguminosae. Some species are main vermins to paddies, sugar canes and bananas.

主要危害禾本科植物、豆科植物，有的种是水稻、甘蔗、香蕉等植物的主要害虫。