叶斑

yè bān
  • Leaf spot;tikka
叶斑叶斑
叶斑[yè bān]
  1. 落葵叶斑病斑上的病原菌孢子梗及孢子(A,B)。

    Fig.2.Conidiophores and conidia of Alternaria alternata produced on leaf spot of Basella rubra ( A , B ) .

  2. 玉米弯孢叶斑病菌的形态学分类与RAPD分析

    Morphological Classification and RAPD Analysis of Maize Curvularia Leaf Spot Fungus

  3. 苹果褪绿叶斑病毒生物学及生化特性研究苹果褪绿叶斑病毒一步法RT-PCR检测

    A Study on the One-step RT-PCR for Detection of Apple Chlorotic Leaf Spot Virus

  4. 苹果褪绿叶斑病毒的ELISA检测技术研究

    Study on the techniques of ELISA in the detection of different strains of apple chlorotic leaf spot virus

  5. 苦参内生枯草芽孢杆菌B(36)抗菌物质对番茄叶霉病菌的作用机制山东省黄瓜棒孢叶斑病(褐斑病)病原菌鉴定和防治

    Effect of Antifungal Substances from Endophytic Bacteria B_ ( 36 ) on Fulvia fulva Identification of Cucumber Target Leaf Spot ( Brown Spot ) Pathogen and Its Control

  6. 控制玉米弯孢菌叶斑病抗性的QTL之间存在上位性互作。

    Digenic epistasis interaction existed between some QTLs controlling resistance to Curvularia lunata .

  7. 玉米SSR连锁图谱构建和抗弯孢菌叶斑病的QTL分析

    SSR Linkage Map Construction and QTL Analysis for Curvularia Leaf Spot Disease in Maize

  8. 应用巢氏PCR方法对人工接种辣椒叶斑病菌处于不同潜育期的辣椒叶片进行检测,结果表明,接种后第二天的叶片即可检测到病原菌。

    The nested PCR detection results in artificially inoculated pepper leaves with different incubation period showed that pathogen could be detected on the second day after inoculation .

  9. 利用Nit突变体和RAPD标记研究玉米弯孢叶斑病菌的营养体亲和性

    Study on Vegetative Compatibility of Maize Curvularia Leaf Spot Fungus with Nit Mutants and RAPD Fingerprint

  10. 新疆瓜类由链格孢霉(Alternaria)侵染所致两类叶斑病的纪录及鉴别

    The Record and Identification of the Two Types of Gourd Crop Leaf-Spot Caused by Alternaria Infection

  11. 玉米弯孢叶斑病菌Nit突变体筛选培养基的研究

    Study on the Production of Nit Mutant of Maize Curvularia Leaf Spot Fungus

  12. 利用SPSS统计软件构建了此病害的传播梯度模型,结果表明指数模型是沈阳地区玉米弯孢菌叶斑病传播梯度的最佳模型。

    The disease gradient model , which was established using the software for SPSS , shows that exponential model is the optimum one in Shenyang region .

  13. 该病害的典型症状为叶斑、叶片黄化、茎秆矮化、茎秆变色、根颈和根腐烂。E.astragali在叶柄和茎秆中的分离率显著(P<0.05)大于叶片和根部。

    Typical symptoms are leaf lesions , leaf yellowing , shoot stunting , stem discoloration , crown rot and root rot. Frequencies of E. astragali in petioles and stems were significantly ( P0.05 ) higher than in leaf blades and roots .

  14. 栀子花叶斑病是一种真菌性病害,菌丝生长的最适温度为24.8℃,pH值为7.0,碳源为葡萄糖,湿度为75%。

    The leaf spot of Gardenia jasminoides is a kind of fungal disease . The most suitable temperature for mycelium grow is 24.8 ℃, pH 7.0 , the carbonium is glucose and the relative humidity is 75 % .

  15. 玉米弯孢菌叶斑病抗性的ADAA遗传模型的分析

    Genetic Analysis of Maize Resistance to Curvularia Leaf Spot by ADAA Model

  16. 大蒜叶斑病(Cladosporiumallii)的研究Ⅳ.产量损失估计及药剂防治试验

    Study of garlic leaf blotch ( cladosporium allii ) ⅳ . yield loss assessment and fungicide control experiments

  17. 褪绿叶斑病毒(CLSV)对苹果属植物过氧化物酶活性及同工酶的影响

    Effects of CLSV on the changes in peroxidase activity and in the isozymograms of Malus species

  18. 本文列出了一个适合于SHARPPC&1500袖珍计算机的工作程序,它可用于小麦条锈病、白粉病、病毒病,以及叶斑病的田间抗病性数据收集及检索。

    A computer program was developed , which was suitable to Sharp PC-1500 pocket computer . It can be used for data collection and processing for resistance to wheat stripe rust , powdery mildew , virus and leaf spot diseases in the field .

  19. 25~30℃是孢子萌发的最适温度;10℃萌发8h,病杆和叶斑孢子的萌发率分别达55%和40%。

    At 10 ℃ for 8h , the germination rate of conidia produced from the stem spots and from the leaf spots are up to 55 % and 40 % respectively .

  20. 以已知带苹果褪绿叶斑病毒的梨树叶片和皮层及昆诺藜为实验材料,对两种植物总RNA的提取、RT-PCR、目的片断的克隆及其酶切鉴定、基因序列进行了分析比较。

    Using pear leave and cortexes which contain apple chlorotic leaf spot virus and Chenopodium quinoa as materials , methods of extract total RNA , RT-PCR , clone and enzyme digest , sequence of special fragments were used and compared in these two kind plants .

  21. 玉米弯孢菌叶斑病主要是由弯孢菌(Curvularialunata)引起的侵染性病害。玉米杂交种对弯孢菌叶斑病抗性鉴定

    Curvularia leaf spot ( CLS ) was caused by Curvularia lunata mainly as well as other Curvularia species . On the Resistance Identification of Maize Hybrids to Curvularia Leaf Spot

  22. 与多花黑麦草抗灰叶斑病相关基因紧密连锁的RGA-CAPS标记筛选

    A RGA-CAPS Marker Closely Linked to Grap Leaf Spot Resistance - ( related ) Gene of Lolium multiflorum

  23. 用昆诺藜(Chenopodiumquinoa)为诊断和分离寄主,从混合感染潜隐病毒的苹果花瓣中分离纯化出苹果褪绿叶斑病毒。

    Chenopodium quinoa was used as isolate and propagation hosts of apple chlorotic leaf spot virus . CLSV was isolated from apple petales infected by apple latent viruses .

  24. 以8个黑龙江省主栽玉米品种为鉴别寄主,对不同来源的玉米弯孢菌叶斑病菌[新月弯孢菌Curvularialunata(Wakker)Boed.]

    Eight differential hosts of main maize cultivars in Heilongjiang province were used to , determine the pathogenicity heterogeneity to the strains of maize curvularia ( Curvularia lunata ( Wakker ) Boed . )

  25. 玉米弯孢叶斑病[Curvularialunata(Wakker)Boed]是我国近几年玉米上发生的一种重要病害,对玉米高产稳产构成严重威胁。

    Curvularia leaf spot of maize caused by Curvularia lunata has been an important disease happened in maize in recent years , and has formed a new risk to maize production .

  26. 但热处理能大幅度提高脱毒率,长富-1茎沟病毒(SGV)脱毒率提高22.3%,褪绿叶斑病毒(CLSV)脱除率提高22.2%;

    But the heat treatment can raise the virus elimination rate significantly . The SGV and CLSV elimination rate of Fuji is raised by 22.3 % and 22.2 % respectively .

  27. N18菌株发酵产物对小麦根腐病菌和玉米弯孢叶斑病菌的孢子萌发抑制率分别为98.47%和96.15%。

    Tests on spore germination indicated that the fermentation product of N18 had an inhabitation of98.47 % and96.15 % against Bipolaris sorokiniana and Cercospora sorghi , respectively .

  28. 从上海地区的大豆叶斑病病株和病种上分离到20个细菌菌株,经菌体形态、培养性状、生理生化、过敏性反应、致病性、Biolog和脂肪酸测定,并与12个国际标准菌株比较。

    Twenty bacterial strains were isolated from the disease infected plants and seeds of soybean . They were tested by morphology , cultural characteristic , physiological and biochemical , pathogenicity , Biolog and fatty acid analysis and compared with those of 12 international standard reference strains .

  29. 分离出引起叶斑病的病原真菌,对该菌进行了形态学观察、致病性鉴定、核糖体DNA-ITS序列分析和生物学特性研究。

    The morphological characteristics , pathogenicity , the DNA sequence of ribosomal ITS and biological characteristics of the pathogen were studied . In a test of pathogenicity , the organism was able to infect F.

  30. 发状病毒属(Trichovirus)是1993年建立的一个新的病毒属,现有成员4个,苹果褪绿叶斑病毒(ACLSV)为该属典型成员。

    Trichovirus is a new plant virus genus established in 1993 . Currently , the genus embraces four species , with Apple chlorotic leaf spot virus ( ACLSV ) as a type member .