To forecast the outbreak of pest insects is based on the estimation of population density.
准确估计害虫种群密度是进行虫害预测预报的基础。
The species of underground pest insects in the third Base of Guangxia Grape Winery Company is reported.
本文报道了宁夏广夏葡萄酿酒公司第三基地地下害虫的种类组成。
The results show that the red pine woods is a weak ecosystem, which may be the cause of spreading plant diseases and pest insects.
指出目前的赤松林是一种脆弱的生态系统，这是病虫害蔓延的原因。
Influence of sublethal insecticides on the behavior of aphid could be one cause of the insecticide-induced resurgence of the pest insects.
亚致死剂量杀虫剂对桃蚜行为学上的影响可能是诱致蚜虫再猖獗的原因之一。
The system collected more than 150 kinds of rice pest insects and diseases and offered many functions, such as data query, diagnosis and forecast.
本系统共收集了150多种水稻病虫害，集查询、诊断、预测和防治多种功能于一体。
The combined application of S101 and organophate or pyrethroid insecticides had obvious synergism to pest insects, its toxicity to mammalian was not increased.
S101与有机磷、拟除虫菊酯类杀虫剂复配防治害虫有增效作用，对动物不增毒。
The soluble powder:polythiocycloalkanes, has good effective on the control of pest insects such as two-spotted spider mite, cotton bollworm and citrus red spider mite ect.
简介了产品的毒性毒理概况和应用范围，尤其是防治棉红蜘蛛、棉铃虫、柑桔红蜘蛛等害虫的良好特性。
Objective to investigate the populations and the distribution of the indoor cockroaches in Suzhou urban districts, and to offer the data for controlling these pest insects.
目的掌握苏州市城区室内蜚蠊种群及其分布，为城市蜚蠊防制提供依据。
The main factor that affects population's uniformity is invalid plant including inbred lines, barren stalk rate, diseases and pest insects plant in populations of different yield level.
无效株是影响群体整齐度的重要因素，主要包括：自交株、空秆、小穗株及病虫害株等。
Based on the fauna composition and division characteristics of forest pest insects in Ziwu Mountains and damage of pests on important tree species, 3 control countermeasures were provided.
根据子午岭林区林虫区系组成和区划特征，结合主要树种害虫危害特点，提出了预防和除治子午岭林区森林害虫的3项措施。
When they predicted an attack of butterflies and insects, they had a potato variety which was resistant to this pest, and everyone was encouraged to plant that.
当他们预计有蝴蝶和昆虫的虫害袭击，他们就种植可以抵抗这些害虫的马铃薯，大家都被鼓励种这些。
Another possible method of pest control is using genetically modified plants. They have had their genes changed to contain a special characteristic, like resistance to certain insects.
另一个控制虫害的办法就是采用转基因作物。转基因作物的基因进行了重组，以携带某些特殊性状，例如抵抗某些特定昆虫。
It is a unique pest-nourishing flavoring, it can prevent normal growth from grub to pupa effectively, then die out the flies and other insects.
是一种独特的昆虫生长调节剂，可有效阻止幼虫到成蛹的正常发育，使苍蝇、昆虫灭绝。
Sticky insect Glue as one of the measures for Integrated Pest Management (IPM), become more and more important in trapping and killing small insects nowadays.
粘虫胶诱杀作为害虫综合治理的措施之一，对小型昆虫的控制诱集作用越来越受到重视。
If you discover an outbreak of some insect pest, there is seldom reason for panic. Your job is simply to keep insects under control. You will never eliminate them completely.
如果你在植株上发现了某种虫子，千万不要恐慌，只要把虫害控制住就好了，想完全祛除虫子几乎是不可能的。
Olfactory plays important roles in the behavior of insects, illustrating the olfactory mechanism will be useful to regulate insect behaviors for effective pest control.
嗅觉是昆虫产生行为的重要物质基础，阐明昆虫嗅觉机理有助于调控昆虫行为和进行害虫治理。
The prerequisite for the natural enemies to be able to control insect pest is that the increase of injurious insects is restrained by the density of the latter.
捕食天敌能防治病害的前提是害虫猎物数量增长受害虫自身密度的制约。
Occurrence of major diseases, pest-insects and weeds in rice-crab field were surveyed.
对养蟹稻田主要病虫草害的发生规律进行调查。
Therefore, as the "treasure house of protein feed," Oil is a high-protein high-calcium pest high-nutrition edible insects.
故被誉为“蛋白质饲料宝库”，油虫是一种高蛋白高钙高营养的食用昆虫。
The silvicultural practice played an important role in integrated pest control of bamboo insects.
在竹林害虫综合防治中，营林措施有着重要的作用。
PESTDIAG is a multimedia expert system, it can be used to identify common vegetable insects (more than 80 species) in north China; also, relative pest control methods are provided.
PESTDIAG属于多媒体专家系统，可辅助用户对北方菜田常见害虫（总计80种）进行识别与治理。
Pest commonly known as bread, oil nutrients highest various insects live animal protein in the first place.
俗称面包虫，油虫营养成分高居各类活体动物蛋白之首。
Pest commonly known as bread, oil nutrients highest various insects live animal protein in the first place.
俗称面包虫，油虫营养成分高居各类活体动物蛋白之首。
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