نتایج جستجو برای: colletotrichum nymphaeae

تعداد نتایج: 3371  

Journal: :Genetics and molecular research : GMR 2016
S F Mota Q L Barcelos M A Dias E A Souza

The Colletotrichum genus presents large genetic variability, as demonstrated by the occurrence of several pathogenic races and phenotypic traits. The objective of this study was to characterize 22 strains of C. lindemuthianum and Colletotrichum spp recovered from anthracnose lesions and bean scab, and to verify the relationship between species of the Colletotrichum genus, which inhabit anthracn...

2008
Wan Gyu Kim Sung Kee Hong Jin Hee Kim

Anthracnose occurred frequently on leaf sheaths of Welsh onions grown in Gangwha island, Korea in November, 2007. The disease incidence was as high as 30% in five fields investigated. A total of 20 single spore isolates of Colletotrichum species were obtained from the affected plants, and all the isolates were identified as Colletotrichum circinans based on their morphological and cultural char...

Journal: :journal of crop protection 2015
farahpour-haghani atousa mahdi jalaeian mohsen mehrparvar

to determine the effective bio-control agents of water fern, azolla filiculoides, adults and nymphs of water lily aphid, rhopalosiphum nymphaeae (l.), were collected on a. filiculoides in guilan province, iran, during october 2013. this aphid has been collected extensively from almost all water fern samples during 2013 and 2014. although r. nymphaeae was reported from numerous host plants in ir...

Journal: Mycologia Iranica 2016

Colletotrichum species are associated with citrus plants as pathogens, saprobes and endophytes. According to the most recent multigene phylogenetic analysis, a lot of changes were happened in the taxonomy and species delimitation in the genus Colletotrichum. In this investigation, 292 Colletotrichum isolates were obtained from leaves, fruits and stems of Citrus species at Golestan, Mazandaran, ...

2013
Vinicio D Armijos Jaramillo Walter A Vargas Serenella A Sukno Michael R Thon

The Colletotrichum plant-like subtilisins (CPLSs) are a family of proteins found only in species of the phytopathogenic fungus Colletotrichum. CPLSs have high similarity to plant subtilisins and our previous work has shown that they were acquired by an ancient horizontal gene transfer event from plants. The rapid growth of sequence data in public databases enabled us to reexamine the structure ...

2013
Vinicio Danilo Armijos Jaramillo Walter Alberto Vargas Serenella Ana Sukno Michael R. Thon

The genus Colletotrichum contains a large number of phytopathogenic fungi that produce enormous economic losses around the world. The effect of horizontal gene transfer (HGT) has not been studied yet in these organisms. Inter-Kingdom HGT into fungal genomes has been reported in the past but knowledge about the HGT between plants and fungi is particularly limited. We describe a gene in the genom...

Journal: :Genetics and molecular research : GMR 2014
M L Marulanda A M López L Isaza P López

The genus Colletotrichum, comprised of pathogenic fungi that affect plants grown worldwide, causes the disease known as anthracnose in several fruit and vegetable species. Several studies conducted on plants have shown that the disease is characterized by the presence of one or several species of the fungus attacking the fruit or other organs of the same host. To develop and implement effective...

2014
F. Liu L. Cai P.W. Crous U. Damm

In a preliminary analysis, 21 Colletotrichum strains with large conidia preserved in the CBS culture collection clustered with a recently described species, C. gigasporum, forming a clade distinct from other currently known Colletotrichum species complexes. Multi-locus phylogenetic analyses (ITS, ACT, TUB2, CHS-1, GAPDH) as well as each of the single-locus analyses resolved seven distinct speci...

Journal: :Journal of plant physiology 2008
Steffen Münch Ulrike Lingner Daniela S Floss Nancy Ludwig Norbert Sauer Holger B Deising

Colletotrichum species infect several economically important crop plants. To establish a compatible parasitic interaction, a specialized infection cell, the melanized appressorium, is differentiated on the cuticle of the host. After penetration, an infection vesicle and primary hyphae are formed. These structures do not kill the host cell and show some similarities with haustoria formed by powd...

2010
Ulrike Damm Riccardo Baroncelli Lei Cai Yasuyuki Kubo Richard O’Connell Bevan Weir Kae Yoshino Paul F. Cannon

The presentations of the Special Interest Group meeting Colletotrichum: species, ecology and interactions, held on 1 August 2010 during IMC9 in Edinburgh, UK, are outlined. Seven research projects, ranged from systematics and population genetics to host-pathogen interactions and genome projects were presented. The meeting revealed that currently major species complexes in the genus Colletotrich...

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