化学防治

化学防治试验结果表明，10%IKI-1145G能有效地控制二龄幼虫的群体数量和根结形成，10%益舒宝G次之。

The results of chemical control indicated that nematicides 10 % IKI-1145G and 10 % Mocap G were effective on controlling populations of infective larvae and formation of root-knot . The identification methods of pathogenic nematodes and the integrated control were discussed in the paper .

化学防治能在病虫害防治中起到主要作用。

Chemical control will do most of things in pest control .

结果表明：不采用化学防治的Bt棉田和非Bt棉田中的棉叶螨密度和螨害指数均无显著差异。

But there are significant difference ( P < 0 . 05 ) in densities and damage parameters of spider mites in cotton fields with or without chemicals .

本文讨论了利用初始EF值来预测天敌对害虫的功能作用及生物防治与化学防治协调的可能性。

The possibility of using the initial EF value to predict the enemy function and to coordinate the pest control strategies with natural enemies and with chemical insecticides was discussed .

生物农药示范茶园S、H明显高于常规化学防治茶园的，同时，天敌种类及数量分别是化学防治茶园的1.28和2.50倍。

And ( 4 ) compared with those in conventional chemical pesticides treated tea gardens , both S and H were significantly higher in biopesticides treated ones . Meanwhile , the number of natural enemy species as well as their individuals was 1.28 or 2.50 times higher .

果斑病是由西瓜嗜酸菌（Acidovoraxcitrulli）引起的一种毁灭性的种传病害，其发生逐年加重，目前主要以化学防治为主。

Acidophilic bacteria ( Acidovorax citrulli ) causes this devastating disease which is increasing year by year . The prevention and control mainly depends on chemical at present .

作者采用5种杀虫剂16个处理对观赏草坪主要害虫&粘虫进行化学防治试验，并对试验数据进行方差分析和新复极差（LSR）测验。

The author adopts 16 : 5 kinds of insecticides handles to appreciate the main pest in lawn-Mythimna separata proceed the chemistry prevention and cure experiments , and to experiment the data proceed the square bad analysis with new reply the very bad ( LSR ) test .

论述了蔬菜害虫的生活史及活动规律，提出了化学防治的最佳防治时期&适期；

Discusses the life cycle and life regular of vegetable pest .

小麦根病化学防治技术研究

Study on the techniques of chemical control on wheat root disease

紫花苜蓿苗期田间杂草化学防治的研究

Study on Chemical Control of Weeds in Seedling Stage of Alfalfa

甜玉米亚洲玉米螟化学防治技术研究

Study on chemical control technique of Ostrinia furnacalis on sweet corn

陕西省苹果斑点落叶病发生规律及化学防治试验

Occurrence Regularity and Chemical Control of Alternation Mali Roberts in Shaanxi

稻瘟病化学防治药剂的历史沿革与研究现状

History and Research Advance of Chemicals for Controlling Rice Blast Disease

茄子褐纹病菌侵染规律及化学防治研究

Study on Infective Law and Chemical Control of Eggplant Phomopsis Rot

油田地层水中硫酸钡结垢的化学防治

The chemical control of barium sulfate scale in oil field formation water

甘肃省春小麦根病化学防治技术研究

Chemical Control of Root Rot of Spring Wheat in Gansu

吉林省日本松干蚧几种化学防治方法试验研究

Experimental study on several chemical methods of controlling Japanese pine bast scale

沟叶结缕草草坪杂草化学防治研究

Studies on Chemical Control of Weeds Grown in Manilagrass Turf

油田硫酸钡垢化学防治技术研究

Study on technology of barium / strontium scale removing in oil field

综合防治技术是根据不同作物在不同生长时期综合应用农业防治、化学防治等多种方法，它是改善农业生态环境的有效措施。

Integrating control technology is the effective measure to improve agricultural environment .

化学防治能有效的控制雪松枝枯病。

This chemical control was effective to prevent cedar branch - withering .

我国森林害虫化学防治研究进展

Progress on the studies of chemical control of forest pests in China

经济林白蚁化学防治技术研究

Study on the Techniques of Chemical Control for Termites in Economic Forest

蚊、蝇、蟑螂的化学防治技术研讨

Study on techniques for chemical control of mosquito house fly and cockroach

花生田蛴螬调查与化学防治药剂的筛选

The Investigation and Screening of Pesticide for Controlling Grub in Peanut Field

双孢蘑菇病害无害化化学防治技术研究

Study of Harmless Chemical Management Techniques on Agaricus Bisporus Diseases

水稻细条病和白叶枯病的化学防治试验

Chemical control of rice bacterial leaf stripe and leaf blight

大棚黄瓜菌核病化学防治的研究

Studies on Chemical Control of Cucumber Sclerotinia Disease in Greenhouse

唐菖蒲重茬病害的化学防治试验

Chemical control of continuous cropping disease on gladiolus hybrid

目前最主要的防治方法仍是化学防治。

At present , the main control method is the use chemical insecticides .