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利用筛选的11条ISSR引物对从我国柑橘主产区和国外收集的135株叶点霉属真菌菌株进行扩增,扩增产物进行凝胶电泳,扩增图谱用NTSYS-pc2.10软件进行群体聚类分析。结果显示,共扩增出116个DNA条带,其中多态性位点为112个,多态率为96.55%;平均每个引物可以扩增出10.55个条带,扩增产物大小在250~3 000 bp。聚类分析显示,中国柑橘叶点霉属真菌可以分为4个种,即P. cit...
Changes in Hsp70 gene expression and protein level were studied in three Solanum spp. genotypes in response to short-term high and low temperatures and to infection by powdery mildew. Development of ...
In Europe, glyphosate resistant populations have developed in some weed species in perennial crops, including three species of the genus Conyza documented by the International Survey of Herbicide Resi...
Ninety eight isolates of Rhizoctonia spp. were obtained from roots of pepper (capsicum annuum L.) grown in Erzincan, Turkey during the period 2007–2008. The most prevalent multinucleate anastomosis ...
The influence of temperature and species origin on the in vitro growth rate and pathogenicity of Fusarium and Microdochium nivale (F. avenaceum, F. culmorum, F. graminearum, F. poae, and M. nivale) ...
Effects of three intercrop combinations and plant populations on bean stem maggot Ophiomyia phaseoli; O. spencerella and O. centrosematis was observed; with the latter being reported in Morogoro for t...
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....
The frequency of occurrence of four Fusarium spp. on wheat in the Moravia region, Czech Republic, was determined by polymerase chain reaction (PCR). Grain samples were collected during 2003–2006 at gr...
The influence of antagonistic Pseudomonas spp. on the development of Botrytis cinerea and Penicillium expansum was studied in liquid cultures. Two strains of Pseudomonas spp. (B194 and B224), original...
Trichoderma harzianum is a worldwide soilborne anamorphic fungus. It is a facultative parasite of a wide spectrum of fungi, but can also live as a saprophyte. The manifestation of its antagonism displ...
Four polyclonal and two monoclonal antibodies were prepared and tested to detect a quarantine pathogen of strawberry – Colletotrichum acutatum. Only one of them, polyclonal IgG K91, was sensitive enou...
Of about 100 Lactuca species, there are only 22 represented in world gene bank collections. The description of morphological and other important features of wild lettuce accessions and a correct taxon...
In a survey of pomegranate (Punica granatum) postharvest losses in commercial packinghouses in Spain, blue mould symptoms, or circular lesions of soft, brown tissues that expanded rapidly and were cov...
Diplodia shoot blight disease can cause significant damage on coniferous trees and be particularly injurious to cones, which reduces the amount of seed production and germination. We investigated th...
Tamarisk (a.k.a. saltcedar, Tamarix spp.) is an invasive plant species that occurs throughout western riparian and wetland ecosystems. It is implicated in alterations of ecosystem structure and functi...

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