Its terrestrial equivalent is the cane toad, widely introduced in the tropics to control crop pests.
鲶鱼等同于蟾蜍的陆栖能力，使它在热带被广泛引入以遏止庄嫁害虫。
Entomogenous fungus is an important pathogenic germs of crop pests and is ubiquitous in natural environment.
虫生真菌是农作物害虫的一类重要致病菌，广泛分布于自然界。
Entomogenous fungus is an important pathogenic germs of crop pests and is ubiquitous in natural environment.
真菌是农作物害虫的一类重要致病菌，广泛分布于自然界。
With the use of more and more miticides, the resistant problem of mites is more serious than those of many other crop pests.
随着农药的大量使用，其抗性问题甚至比其它农作物害虫更为严重。
An assortment of chemicals, such as DDT, have been employed since early in the last century to control crop pests or carriers of diseases.
一种化学药品，比如滴滴涕（DDT，一种杀虫剂，在环境中非常难降解，多数国家已经明令禁止或限制生产和使用DDT），从上个世纪早期以来一直被用于控制农作物虫害或者疾病载体。
There would be no weather-related crop failures due to droughts, floods or pests.
不会发生干旱、洪水或害虫导致与天气相关的农作物歉收的现象。
Instead of pesticides, bug-zappers protect the crop from leafhoppers and other tea-loving pests.
这里不使用杀虫剂，而是电子灭虫器来保护茶树免受叶蝉及其它嗜茶叶害虫的侵害。
Where only one crop is grown, pests and disease can spread easily, creating the need for potentially toxic pesticides.
草原变得只生长一种作物。病虫害容易扩散，将增加使用有潜在毒性杀虫剂的需要。
Meanwhile, pests such as tree-killing beetles and crop-killing fungi will both increase their range and breed more rapidly.
同时，专杀树林的甲壳虫和专杀作物的真菌都会扩大活动范围，也会更加迅速繁殖。
In Argentina, the soyabean crop is forecast to fall almost 20 per cent this year owing to drought and pests, raising pressure on US supplies.
在阿根廷，由于干旱和虫灾，预计今年大豆收成将下降近两成，这加大了美国供应的压力。
Glyphosate applications to the crop have been shown in studies to interfere with nutrient uptake, to increase pests and diseases, and to reduce vigour and yield.
许多研究表明，对转基因作物应用草甘膦干扰农作物的养分摄取、增加病虫害，并减少活力与产量。
Scientists have found that a crop with a gene that kills pests can leave a poison in the soil that kills helpful as well as harmful insects.
科学家发现，带有抗虫基因的作物能在土壤里留下毒素，这种毒素既能杀死害虫也能杀死益虫。
The results imply that the foraging success of natural enemies of pests can be enhanced by breeding for crop varieties that release specific volatiles.
这些结果表明天敌对害虫的控制作用可以通过培育释放特定挥发物的作物品种而增强。
Biotech can also improve farming productivity in places where food shortages are caused by crop damage attribution to pests, drought, poor soil and crop viruses, bacteria or fungi.
生物技术还可以帮助提高因虫害、干旱、土壤贫瘠和作物病毒、细菌或真菌导致作物减产而出现食物匮乏的地区的农业生产率。
The concept and classification of crop resistance to diseases and pests and the breeding ways including crossing breeding and modern biotechnology application were introduced.
综述了农作物抗病虫性的概念和分类，以及抗病虫育种的途径，包括常规育种和应用生物技术育种的方法。
This paper attempts to draw a general relationship between crop yield loss and chewing injury of reproductive organs by insect pests.
本文试从分散的材料中概括出主要大田作物繁殖器官被害与产量损失之间的一般关系。
The front-end system of crop plant diseases and insect pests' ground survey was a very important tool which could continually observe the farm and maintain the survey data.
农作物病虫害地面调查前端系统是对长期田间观察和调查数据维护的重要工具。
Maize is not only the staple food crop, but also an important raw material for feed and industry, nevertheless the threat of pests and weeds leads to a serious decline in its output and quality.
玉米是大宗粮食作物，又是重要的饲料和工业原料，由于虫害和草害的威胁，导致其产量和质量严重下降。
Genetically engineered crop resistance to insects and pests offers a method of crop protection.
利用基因工程培育抗虫新品种是农作物害虫防治的有效途径。
Rational intercropping can improve crop yields and decrease occurrence of pests and diseases.
合理的间作套种可以提高作物产量，减轻农作物病虫害的发生。
A novel lectin gene sequences isolated from Ulva Pertusa L., a kind of the Marine green alga, would play potential use in the breeding of new crop varieties against plant diseases and insect pests.
从海洋绿藻孔石莼中分离到一种凝集素基因序列，为培育抗病虫作物新品种提供了新资源。
The occurrence of the key diseases and insect pests in single crop rice system under intensified cultivation has been investigated.
研究了强化栽培单季稻稻田生态系统中水稻主要病虫的发生规律及使用农药防治靶标病虫时对非靶标病虫的影响。
The occurrence of the key diseases and insect pests in single crop rice system under intensified cultivation has been investigated.
研究了强化栽培单季稻稻田生态系统中水稻主要病虫的发生规律及使用农药防治靶标病虫时对非靶标病虫的影响。
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