pest insect

The Appraisal of Pathogen Resources of Sugarcane Pest Insect

甘蔗害虫病原微生物资源评价

互联网摘选

Tolerant philosophy is the most distinctive basic concept in the theory of IMP. It is a major renewal of sences in pest Insect Control.

容忍哲学是IPM理论最具特色的基本概念，是害虫防治策略上的重大观念更新。

互联网摘选

The oil-based suspension of Bacillus thuringiensis is mainly applied to the ultra low volume spraying of mist sprayer and aeroplane, especially apt to control forest pest insect.

苏云金杆菌油悬浮剂主要用于地面器械和飞机的超低容量喷雾，特别适宜于森林害虫的防治。笔者对苏云金杆菌油悬浮剂超低容量喷雾指标进行了测定。

互联网摘选

The domesticated silkworm, Bombyx mori, is an important model of lepidopteran insects. The detailed decipherment of silkworm sex-determination mechanism is the theoretical basis of rearing male silkworm and lepidopteran pest insect control.

家蚕作为鳞翅目昆虫典型代表，其性别调控机理的深刻阐释可为单养雄蚕和鳞翅目害虫防治提供理论依据。

互联网摘选

Economic threshold for this pest insect was estimated by measuring the increasement rate of population density.

并提出用害虫种群潜在密度确定卷叶螟经济阈值的方法。

互联网摘选

This artical introduced briefly some concepts, developments, theories and methods of system science, and the study history and main developments of systematic control of pest insect population.

本文概述了系统科学的一些概念，发展，理论与方法，以及害虫种群系统控制的研究历史与主要进展。

互联网摘选

As a global work, the study of insecticide resistance of pest insect has become more and more important. In the paper, the resistance development and resistance molecular mechanism of pest insect, including metabolic resistance and target resistance in terms of molecular gene level are illustrated.

害虫的抗性研究是一项全球性的重要课题，该文从其抗药性的发展，抗药性的分子机理两方面，主要对代谢抗性和靶标抗性的分子遗传基础研究加以总结。

互联网摘选

Pest insect community on orange leaves is analyzed with fuzzy cluster method.

经模糊聚类分析表明,柑桔叶片害虫群落由3个集群和3个边缘种组成.

互联网摘选

The fluctuations of population quantity for pest and neutral insect guilds are basically consistent.

两处理区各害虫、中性昆虫功能团种群数量变动基本一致；

互联网摘选

Conopomorpha sinensis Bradley is a main pest insect on litchi and longan.

荔枝蒂蛀虫是荔枝和龙眼的重要害虫.

互联网摘选

The susceptive host lettuce and beet were main origin of pest insect before emergence on the seedlings of autumn broad bean.

研究表明，莴苣、牛皮菜等是秋播蚕豆出苗前后的主要虫源地；

互联网摘选

The advance of controlling insect pest with irradiated sterile insect technique

辐射不育防治害虫的进展

互联网摘选

The effect of predator, parasitoid, insect pest and neutral insect groups in the arthropod community in the weed habitat on the corresponding groups in the paddy habitat were varied.

杂草地生境节肢动物群落的害虫、中性昆虫、捕食性天敌和寄生性天敌亚群落对稻田生境相应亚群落的影响程度不同。

互联网摘选

And explained in detail the lawn weeding, watering, fertilizing, mowing, disease and pest insect prevention and curing;

对建坪后的除草、浇水、追肥、修剪、病虫防治；

互联网摘选

The results of indoor chemical poisoning tests showed that the pest insect could be effectively controlled by spraying 80% Dichlorvos, 90% Trichlorfon and 50% Methamidophos ( 1: 2000 dilution) respectively.

室内测定结果，80%敌敌畏、90%敌百虫、50%甲胺磷稀释2000倍，对此虫有良好的毒杀效果。

互联网摘选

The Distribution of Tea Plant Pest Insect and the Analysis of Fauna in Hunan Province

湖南省茶树害虫调查和区系分析

互联网摘选

The interference index of population control showed a general effect on the pest insect, including side effects on its natural enemies.

即其下代数量明显下降，收到良好效果，干扰作用控制指数表达了杀虫剂对害虫种群的控制作用、包括对天敌干扰作用的总体效果。

互联网摘选

System science, system control of pest insect population and thinking over study of Heliothis armigera

系统科学与害虫种群系统控制及对棉铃虫研究的思考

互联网摘选

General status on pest insect incidence and damage in peach, plum and cherry orchards of Sichuan

四川桃、李、樱桃害虫发生及危害概况

互联网摘选

The bioassay of transgenic plants showed that some of the plants exhibited tolerant to pest insects and insect resistance was maintained in the T 1 generation.

对转基因植株进行了抗虫性测试，结果表明某些植株具有较好的抗虫性，并且这种抗虫性在T1代仍能保持。

互联网摘选

Using system science methods to study the system control of pest insect population, has an obvious social significance and practical value.

以系统科学方法研究害虫种群系统的控制，具有明显的社会意义和实践意义。

互联网摘选

Studies on the ecological succession of soil insect and the serial changes of population for the dominant pest insect in the desert reclamation area of Ningxia

宁夏新垦区土壤昆虫生态演替及优势种种群序列演变的研究

互联网摘选

According to the principle of population genetics and by using computer numerical simulation comparison has been made on the effectiveness of using rational mixture of insecticides with that of other types of insecticide application including rotation and checkerboard in delaying resistance development of a pest insect species.

本文根据种群遗传学的基本原理，采用计算机数值模拟的方法定量比较了合理混用、轮用、棋盘式使用等用药策略对害虫抗性增长的影响。

互联网摘选

Study on the Key Technology of Soybean Pest and Insect Disease Expert System Based on ASP

基于WEB的大豆病虫害专家系统构建

互联网摘选

These growing wild species express the characteristics of stress tolerance, resistance to disease and pest insect, high quality under the severe competition and selection of nature.

这些野生种在自然界的严酷竞争和自然选择条件下形成了许多优良特征特性，特别表现在抗逆性、抗病虫害、品质等方面。

互联网摘选

This variety is suitable for seeding on the 5th-the 15th of June. Its planting density is 12,500-16,000/ 667 m2.High yield could be obtained if rational fertilization, irrigation, disease and pest insect control are applied.

该品种适宜6月5日至15日播种，密度1.25~1.60万株/667m2，底肥、追肥合理施用，及时灌溉和防治病虫害即可获得较高的产量。

互联网摘选

Due to its characters of high effectiveness, low toxicity and broad spectrum, deltamethrin has been widely used in pest insect prevention for Chinese herbal medicine.

溴氰菊酯具有高效、广谱、毒性低等特点，是防治中药材虫害的常用药剂。

互联网摘选

By the results, we could enrich not only the content of ecological study on this pest insect, but also could forecast the distribution regions and the potential distribution regions of this pest insect by its supercooling point and freezing point of body fluid.

上述结果，不仅充实了以往人们对此卷蛾生态学特性的研究内容，且通过了解其幼虫的过冷却点和体液冰点，可间接预测该虫的可能分布区和潜在分布区。

互联网摘选

Morphological differences of the coconut pest insect, Rhynchophorus ferrugineus ( Oliver), and its related species ( Coleoptera: Curculionidae)

椰子大害虫&锈色棕榈象及其近缘种的鉴别（鞘翅目：象虫科）

互联网摘选

In the group of insect in organic litchi orchard, pest insect represented 30.9%, natural enemy 28.4% and natural insect 40.7%.

有机荔枝园区的昆虫群落中，害虫占30.9%，天敌占28.4%，40.7%为中性昆虫。

互联网摘选