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nematode
相关语句
  线虫
    The Effects of Soil Environment on Soybean Cyst Nematode(Heterodera Glycinese) Egg Hatch and Nematode Molecular Diagnosis
    土壤环境对大豆胞囊线虫卵孵化影响及线虫分子诊断研究
短句来源
    Studies on the Isolation of Bacillus Thuringiensis, Identification of cry/cyt Gene and Their Toxicity to Plant-Parasitic Nematode
    苏去金杆菌的分离、cry/cyt基因鉴定及杀线虫活性的研究
短句来源
    Resource of Fungal Parasites of Root-knot Nematode and Study on Paecilomyces Lilacinus Strain PL89
    根结线虫寄生真菌资源与淡紫拟青霉PL89的研究
短句来源
    ROOT-KNOT NEMATODE ON VINCA MINOR
    小蔓长春花根结线虫
短句来源
    First Report on a New Physiological Race (Race 7) of Soybean Cyst Nematode (Heterodera glycines)
    大豆孢囊线虫(Heterodera glycines)7号生理小种的研究初报
短句来源
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  线虫病
    The Mechanisms Involved in Plant Resistance/Tolerance Response Induced by AM Fungi Towards Nematode
    丛枝菌根(AM)真菌诱导植物抗/耐线虫病害机制的研究
短句来源
    Study on the Environmental Impact Eco-assessment and Management of Pine Wood Nematode in Zhejiang Province
    浙江省松材线虫病环境影响经济评价与治理研究
短句来源
    Studies on the Nematode disease ( Tylenchulus ) of Cunninghamia lanceolata Ⅰ. identification of the pathogen nematode
    杉木半穿刺线虫病的研究 〔Ⅰ〕病原线虫鉴定
短句来源
    Studies on the Nematode Disease of Cunninghamia lanceolata (2) The life history and the population Change in natural Condition, and the biological characteristics
    杉木半穿刺线虫病的研究 (2)生活史、自然消长及生物学
短句来源
    Studies On Soybean Cyst Nematode In Jilin Province
    吉林省大豆孢囊线虫病初步研究
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  “nematode”译为未确定词的双语例句
    STUDY ON FUNGAL PARASITE OF ROOT KNOT NEMATODE EGGS——I.SCREENING OF FUNGAL PARASITES OF EGGS
    根结线虫卵寄生真菌的研究——I.卵寄生真菌的筛选
短句来源
    The results showed that the control effect of Temik 22.5 kg/ha is best one in all treatments,its control effect to cereal cyst nematode are 54.01%,60.81%,52.45% in the seedling stage,flowering stage,filling stage respectively,and the population of cyst after harvest is 2.67 per 100g dry soil dry soil,reducing 95.29% than ck.
    结果表明:15%铁灭克22.5 kg/hm2处理明显优于其他药剂处理,该处理在苗期、扬花期、灌浆期的防治效果分别为54.01%,60.81%和52.45%,收获后每100 g干土壤的胞囊数仅为2.67个,比对照减少95.29%;
短句来源
    The effects of Ethoprophos 30kg/ha and Temik 15 kg/ha on control cereal cyst nematode are lower Temik 22.5 kg/ha,but better than others,and the population of cyst after harvest reduced 82.94% and 76.48% than ck respectively.
    15%铁灭克15 kg/hm2、5%线敌30 kg/hm22个处理的防治效果次之,均在30%以上,收获后每100 g干土中胞囊数分别比对照减少82.94%和76.48%;
短句来源
    Effect of fertilization on population dynamics of plant parasite nematode
    培肥措施对植物线虫种群数量动态的影响
短句来源
    Hatch of soybean cyst nematode Heterodera glycines egg in root diffusate from resistant and susceptible soybean cultivars on different rotation systems
    不同茬口种植的大豆品种根渗出物对大豆孢囊线虫卵孵化的影响
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  nematode
Mutual influences in growth and reproduction between pine wood nematode Bursaphelenchus xylophilus and bacteria it carries
      
The result showed that the strong-pathogenic GcM5-1A strain and ZpB1-2A strain significantly increased fecundity, reproduction rate, and the body volume of the adult nematode.
      
The phenomenon showed that the pathogenic bacteria carried by the nematode were not accidentally contaminated, but rather had existed as symbionts of the nematode with which it had coevoluted over a long period.
      
Niche of insect borers within Pinus massoniana infected by pine wood nematode
      
In November 2003 and June 2004, the insect borers and their spatial distribution within Pinus massoniana were investigated in Zhoushan City, in East China's Zhejiang Province, where pine wood nematode (Bursaphelenchus xylophilus) are typically found.
      
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The tea geometrid Ectropis obliqua hypulina Wehrli is one of the most important insect pests of the tea bushes in eastern China. This paper deals with the results of our investigation on its parasites from 1973 to 1975. The results are summarized as follows:The larval parasites found in our study are Drino inconspicua Meigen (Larvaevo-vidae), two species of Apanteles (Braconidae), one species of Charops (Ichneumonidae), and one nematode (Mermithidae). All of them are primary monoparasites. The hymenopterous...

The tea geometrid Ectropis obliqua hypulina Wehrli is one of the most important insect pests of the tea bushes in eastern China. This paper deals with the results of our investigation on its parasites from 1973 to 1975. The results are summarized as follows:The larval parasites found in our study are Drino inconspicua Meigen (Larvaevo-vidae), two species of Apanteles (Braconidae), one species of Charops (Ichneumonidae), and one nematode (Mermithidae). All of them are primary monoparasites. The hymenopterous species amount to 99.1% of the total parasites reared from the collected host larvae and one species of Apanteles (Figs. 1-2) constitutes 95.9% of all the hymenopterous parasites counted.These larval parasites seem to play an important role in the natural control of the geometrid. About 66.5% of the pest larvae in the second and third instars collected from April to June, 1973-1974, were killed by these parasites and the highest percentage exceeded 96%. The average percentage of parasitism of the larvae in the second and third instars was found to be much higher than that in the fourth and fifth instars, and the precentage of parasitism of the second and third instar larvae in April to June was obviously higher than that in August and September.The predominating Apanteles sp. (Figs. 1-2) can complete its life cycle about two weeks at 25℃ and breeds 11 to 12 generations annually in Zhejiang Province. It overwinters as prepupa within its cocoon on the tea bush. The possibility of utilizing this species in the control of E. obliqua hypulina is discussed.

茶尺蠖Ectropis obliqua hypulina Wehrli是我国茶树的主要害虫之一。本文系1973—75年对其幼虫期寄生天敌(寄生蜂、寄蝇及线虫)的研究结果。 从田间采集的各龄茶尺蠖幼虫中共养出五种原寄生天敌,即:二种绒茧蜂(茶尺蠖绒茧蜂和单白绵绒茧蜂Apanteles spp.),一种悬茧姬蜂(尺蠖悬茧姬蜂Charops sp.),一种寄蝇(平庸赘寄蝇Drino inconspicuaMeigen)以及一种线虫(索虫),均单寄生、内寄生。1973—74年在浙江余杭寄生蜂占天敌总数的99.06%,而茶尺蠖绒茧蜂又占寄生蜂总数的95.93%。2—3龄茶尺蠖幼虫的平均总寄生率显著高于4—5龄幼虫:4—6月间通常显著高于8—9月。在4—6月间,2—3龄幼虫的最高总寄生率可超过96%,平均也达66.52%。 茶尺蠖绒茧蜂一年发生11—12代,主要以预蛹在茶树上的茧内越冬。在平均24.1—26.0℃的室温下,接蜂至于蜂开始羽化平均需要13.5—14.9天。性比一般为53—67%。成虫寿命通常1—3天。每头雌蜂平均寄生茶几蠖幼虫11.53头。喂以蜂蜜水,雌蜂寿命增长4.65—6.93倍,雄蜂增长3.72—5....

茶尺蠖Ectropis obliqua hypulina Wehrli是我国茶树的主要害虫之一。本文系1973—75年对其幼虫期寄生天敌(寄生蜂、寄蝇及线虫)的研究结果。 从田间采集的各龄茶尺蠖幼虫中共养出五种原寄生天敌,即:二种绒茧蜂(茶尺蠖绒茧蜂和单白绵绒茧蜂Apanteles spp.),一种悬茧姬蜂(尺蠖悬茧姬蜂Charops sp.),一种寄蝇(平庸赘寄蝇Drino inconspicuaMeigen)以及一种线虫(索虫),均单寄生、内寄生。1973—74年在浙江余杭寄生蜂占天敌总数的99.06%,而茶尺蠖绒茧蜂又占寄生蜂总数的95.93%。2—3龄茶尺蠖幼虫的平均总寄生率显著高于4—5龄幼虫:4—6月间通常显著高于8—9月。在4—6月间,2—3龄幼虫的最高总寄生率可超过96%,平均也达66.52%。 茶尺蠖绒茧蜂一年发生11—12代,主要以预蛹在茶树上的茧内越冬。在平均24.1—26.0℃的室温下,接蜂至于蜂开始羽化平均需要13.5—14.9天。性比一般为53—67%。成虫寿命通常1—3天。每头雌蜂平均寄生茶几蠖幼虫11.53头。喂以蜂蜜水,雌蜂寿命增长4.65—6.93倍,雄蜂增长3.72—5.17倍;寄生能力平均可以提高一倍以上。能行孤雌生殖,其后代均为雄性。一般寄生于1—3龄的茶尺蠖幼虫体内,老熟幼虫啮出时,奇主即告死亡。 由于茶尺蠖绒茧蜂是优势种,自然寄生率高,基本上消灭茶尺蠖幼虫于三?

Rice root--knot nematode (Meloidogyne oryzae Feng, 1975 ) is a new disease of rice, which was first recorded by our laboratory in 19T3 in China, A study on the influence of the root-knot nematode on rice growth was carried out over the years 1973-1975. The influence was found to be significant. The characteristic symptoms of the disease are an enlargement of and the formation of knot on the rice roots. In the seedling stage, the growth of the root tips was retarded, the plant being week. After transplanting,...

Rice root--knot nematode (Meloidogyne oryzae Feng, 1975 ) is a new disease of rice, which was first recorded by our laboratory in 19T3 in China, A study on the influence of the root-knot nematode on rice growth was carried out over the years 1973-1975. The influence was found to be significant. The characteristic symptoms of the disease are an enlargement of and the formation of knot on the rice roots. In the seedling stage, the growth of the root tips was retarded, the plant being week. After transplanting, the diseased plants were stunted, lacking vigour. Some of them failed to continue to grow, with death rats higher than those of the healthy ones. During the tillering stage, the symptoms on the above ground parts are visible on the foliage; the tillering ability and rate- of tillering were reduced, the leaves turned yellowish, and growth retarded. In the heading stage, the heading period was shortened, the ear small and yields, reduced. Applicataon of nematicides ( DBCP ) resulted in an increase of yields of 10-20% ( in the moderate diseased fields ).The resulted were apparently different from those of Hollis et al. ( 1966 ) . The difference was found to be due to the different species of nematodes involved.

水稻根结线虫病是我国一种新发现的水稻病害。1973~1975年,我们对此线虫病进行研究。实验表明:此病对水稻的生长发育和产量的影响是明显的。在水稻幼苗期病苗纤弱,叶色稍谈。移植后返青慢,发根迟,死苗多。分蘖期地上部症状较显著,一般株矮,根短,分蘖迟缓,分蘖力弱,生势衰弱;但园稈拔节都比健株发生要早。在出穗和结实期,病株出穗期短,出稳数少,同时穗小,粒少,结实率低。在一般中等发病情况下,影响产量在10-20%左右;严重发病时可达40-50%,是目前我国水稻生产上一个值得注意的问题。但国外报道认为此类线虫病对水稻的影响是轻微的和暂时的,与我们的实验结果有较大的出入。探究其原因,主要是由于病原线虫种类不同所引起。目前在我国水稻上发现的根结线虫为一新种,鉴定结果将另文发表。

Root-knot of cucumbers is a common and quite severe disease in Nanjing,Jiangsu Province. The diseased cucumber plants grow not well and wilt prematurely. Typical nematode root-knot can be found under examination. The causal organism is identified as Meloidogyne incognita Chitwood.

南京栽培的春黄瓜和秋黄瓜普遍发生根结线虫病,病株叶缘黄枯早衰,根部出现典型根结。根据我们的鉴定,黄瓜根结线虫病应定名为Meloidogyhe incognta Chitwood。

 
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