搜索结果: 136-150 共查到“知识库 植物病毒学”相关记录644条 . 查询时间(3.864 秒)
采用高效液相色谱技术研究了苦皮藤素Ⅴ在粘虫Mythimna separata和小地老虎Agrotis ypsilon幼虫中的穿透及代谢。结果表明:苦皮藤素V均不能从粘虫和小地老虎幼虫的体壁穿透到血腔或从血腔穿透到中肠,但很容易从中肠穿透到血腔,且穿透速率无差异;苦皮藤素V在小地老虎幼虫体内的代谢解毒速率远大于其在粘虫幼虫体内的代谢速率,其半衰期分别为5.5和13.1 h。本研究结果表明,苦皮藤素V...
Detection of Cherry leaf roll virus and Strawberry latent ring spot virus by one-step RT-PCR
CLRV SLRSV RT-PCR Xiphinema diversicaudatum
2015/3/3
one-step reverse transcription-polymerase chain reaction (RT-PCR) protocol was developed and used for the detection of Cherry leaf roll virus (CLRV) and Strawberry latent ring spot virus (SLRSV). The ...
Feeding preferences of Phyllotreta herbivores to winter rape and chosen weeds
feeding preference crop weeds Brassicaceae herbivory Phyllotreta spp. model experiments
2015/3/3
In model experiments with leaf disks from Brassica napus L. subsp. napus and Thlaspi arvense L. and Sinapis arvensis L. in spring periods (May–June) of 2006–2007 feeding preferences of Phyllotreta her...
Distribution of Plum pox virus strains in natural sources in the Czech Republic
Plum pox virus blackthorn myrobalan plum sweet cherry sour cherry apricot PPV-D PPV-M PPV-Rec PPV-C PPV-EA
2015/3/3
The distribution of Plum pox virus (PPV) strains, PPV-D, PPV-M and PPV-Rec, was investigated in the Czech Republic in 2005–2008. Fifty-two to ninety-four samples of flowers or leaves of plum, myrobala...
The viral etiology of tomato yellow leaf curl disease – a review
TYLCV tomato geminivirus ssDNA whitefly PTGS
2015/3/3
Tomato yellow leaf curl disease (TYLCD) is one of the most devastating plant diseases in the world. As a result of its continuing rapid spread, it now afflicts more than 30 tomato growing countries in...
Pathogenicity of three commercial products of entomopathogenic fungi, Beauveria bassiana, Metarhizum anisopilae and Lecanicillium lecanii against adults of olive fly, Bactrocera oleae (Gmelin) (Diptera: Tephritidae) in the laboratory
Bactrocera oleae Beauveria bassiana Metarhizum anisopilae Lecanicillium lecanii pathogenicity
2015/3/3
The pathogenicity of entomopathogenic fungi, Beauveria bassiana, Metarhizum anisopilae and Lecanicillium lecanii, was evaluated against adults of the olive fly Bactrocera oleae (Gmelin) under laborato...
Insect damage to and mortality of seedlings of Chenopodium album L. and Fallopia convolvulus (L.) A Love
pigweed Chenopodium album L. wild buckwheat Fallopia convolvulus (L.) á. Lö ve flea beetle Phyllotreta spp. herbivory phytophagous insect secondary succession fallow
2015/3/3
During 1997–1999, the damage and mortality caused by insect herbivores to pigweed (Chenopodium album) and wild buckwheat (Fallopia convolvulus) were studied in an early fallow field at Prague-Ruzyně. ...
Influence of climate changes in the Czech Republic on the distribution of plant viruses and phytoplasmas originally from the mediterranean subtropical region
plant viruses phytoplasma ZYMV PPV ESFY spreading climate changes Czech Republic
2015/3/3
Results of research aiming at monitoring of climate changes impact on plant pathogens distribution such as Zucchini yellow mosaic virus (ZYMV), quarantine Plum pox virus (PPV) and quarantine phytoplas...
Prediction model for deoxynivalenol in wheat grain based on weather conditions
prediction model mycotoxin DON winter wheat weather conditions
2015/3/3
Environmental factors influence the growth, survival, dissemination and hence the incidence of Fusarium fungi and the disease severity. The knowledge of the quantitative and qualitative effects of env...
The Production of Antiserum against Myrobalan Latent Ringspot Virus for Detection of the Virus using ELISA
nepovirus MLRSV purification immunisation of rabbits
2015/3/2
Myrobalan latent ringspot virus (MLRSV) was purified from the extract of infected Chenopodium quinoa Willd.,
using n-octanol, differential centrifugation, and saccharose gradient centrifugation. Ele...
Disease Suppression in Ganoderma-infected Oil Palm Seedlings Treated with Trichoderma harzianum
Ganoderma boninense Trichoderma harzianum
2015/3/2
Disease suppression in Ganoderma-infected oil palm seedlings treated with a conidial suspension of Trichoderma harzianum FA 1132 was tested in plant house conditions to determine the effectiveness of ...
Genetic and Biological Characterisation of a Grapevine virus A isolate from the Czech republic
Grapevine virus A grapevine movement protein
2015/3/2
An isolate of Grapevine virus A (GVA) from the Czech Republic was obtained from the grapevine cultivar Müller
Thurgau. Symptoms of GVA – Kober stem grooving disease were not observed in the infected...
The Incidence and Spreading of Macrophomina phaseolina (Tassi) Goidanovich on Sunflower in the Czech Republic
Macrophomina phaseolina sunflowe
2015/3/2
The warm climate pathogen Macrophomina phaseolina (Tassi) Goid., which causes charcoal disease, has been
reported in the Czech Republic since 1999. The aim of our work was to study the incidence of ...
Electron Microscopy of Structures Present in Embryonic Cells of Plants Infected with Plum Pox Virus
sharka herbaceous and woody hosts meristematic cells
2015/3/2
Electron microscopy was used to detect the presence of virus particles or inclusions in growth tips and parenchymatic cells of leaves of plum, apricot and peach trees artificially infected with Plum p...
Pseudomonas marginalis Associated with Soft Rot of Zantedeschia spp.
bacterial soft rot Zantedeschia spp. Pseudomonas marginalis
2015/3/2
The percentage of diseased plants of the total plants in the plot was around 10%.
When inoculated into potato tuber slices, strains of P. marginalis and P. c. subsp. carotovorum produced soft
rot....