nematodosis of silkworm

Nongda 603, a mutant resistant to sweetpotato stem nematode (Ditylenchus destructor), was obtained from the gamma-irradiated progenies of sweetpotato (Ipomoea batatas (L.

)新品系农大603是从感茎线虫(Ditylenchusdestructor)病品种徐薯18的辐照后代中获得的一个抗茎线虫病的突变体。

AFLP markers linked to stem nematode resistance gene were developed in sweetpotato (Ipomoea batatas).

以甘薯(Ipomoea batatas)抗茎线虫病品种徐781和感茎线虫病品种徐薯18杂交F1分离群体的186株单株为材料,利用分离群体分组分析法(BSA法)和AFLP技术,在抗感池中共筛选了800对AFLP引物,结果表明,其中245对引物具有多态性。

Two hundred accessions of F1 population of Xu 781(high resistance) and Xushu 18(high susceptible) of sweetpotato (Ipomoea batatas) were adopted to determine their resistance to stem-nematode, and their molecular markers linked to the resistance gene were detected by Randomly amplified polymorphic DNA(RAPD).

以甘薯(Ipomoea batats)高抗品种徐781和高感品种徐薯18的200个后代为实验材料,对其进行抗病性鉴定和RAPD分析,获得与抗茎线虫病基因相连锁的RAPD标记OPD01-700。

More than 100 sweetpotato varieties inoculated with stem-nematodes in the field were evaluated subsequently for resistance to stem-nematode under field conditions from 2001 to 2003.

利用田间自然诱发方法对 100余份甘薯品种连续进行 3年茎线虫病的抗性鉴定,选取其中 21份抗、感性稳定的品种作为供试材料,含高抗品种 10个、抗病品种 2个、感病品种 2个、高感品种 7个。

Recovery of Chitin Amendments for Controlling Meloidogyne incognita

防治根结线虫病害的甲壳素添加剂提取

Citrus nematodiasis is one of major diseases on citrus plants.

柑桔线虫病是柑桔类果树的重要病害。

The related research papers, in which the studies on proportion, status and trend of pine wood nematode were reported in recent years, were reviewed and analyzed.

目前松材线虫病的研究仍是日本国森林病虫害的主要研究课题。

prevalence of specific diseases or pests;

特定病害或虫害的流行；

Investigation on Species and Distribution of Borer Pests in Diseased Stumps of Pine Wood Nematode

松材线虫病疫木伐桩(根)蛀干害虫种类及分布调查

Dynamic Development of Aphelenchoides Besseyi on Rice Plant by Artificial Inoculations in Greenhouse;

水稻干尖线虫在“小穗头”上的危害及人工接种测定病害发展动态

A nematode worm(Syngamus trachea)that infects the tracheas of certain birds and causes gapes.

呵欠虫一种危害某些鸟类的气官并引起张口病的线虫（气管比翼线虫比翼属）

monitoring and forecasting of plant diseaseand insect pest

植物病虫害预测预报

Filth breeds disease and vermin.

污秽引起疾病和害虫。

Detection of Pine Forest Area Changes in Regions Damaged by Bursaphelenchus Xylophilus in Zhejiang Province

浙江省松材线虫病危害区域松林面积变化过程遥感监测

Study on Insecticidal Activity of Symbiotic Bacteria from Entomopathogenic Nematodes;

昆虫病原线虫共生菌杀虫活性的研究

Some communicable diseases are transmitted only through the agency of vermin or insects.

某些传染病只通过害虫和昆虫来传播。

Affect on Natural Enemy Insect during Control Insect Pest in Forest

天敌昆虫在林木病虫害防治中的作用

The key pests and rat include: nematodiasis of the pines and pine moth, forest rats, defoliator of the poplars, bristletail.

二是松毛虫、森林鼠害、杨树食叶害虫等常发性病虫害； 三是小蠹虫、萧氏松茎象等钻蛀性害虫。

Establishment of Expert System on Forest Diseases and Insect Pests Diagnosis and Pests Forecast

森林病虫害诊断及害虫预报专家系统的研建

Study on Harmless Management of Main Plant Deseases and Insect Pests on Chaenomeles Spciosa(Sweet) Nakai;

资丘木瓜主要病虫害无害化治理研究

The Establishment of Non-nuisance Rapeseed Diseases and Insect Pests Controlling Expert System;

无公害油菜病虫害防治专家系统构建

Research on Low Public Hazard Integrated Control Technology of Tobacco Pest;

烟草病虫害低公害综合防治技术研究