نتایج جستجو برای: pythium vexans
تعداد نتایج: 1710 فیلتر نتایج به سال:
SHEW, H. D., and M. K. BEUTE. 1979. Evidence for the involvement of soilborne mites in Pythium pod rot of peanut. Phytopathology 69:204-207. Mites of the genus Caloglyphus (Acarina: Acaridae) were associated with obtained from 90% of the fecal pellets collected from C. micheali after more than 50% of decaying peanut pods collected in a field in which pod rot feeding on mycelial mats of the fung...
Weiland, J. E. 2014. Pythium species and isolate diversity influence inhibition by the biological control agent Streptomyces lydicus. Plant Dis. 98:653-659. Disease control of soilborne pathogens by biological control agents (BCAs) is often inconsistent under field conditions. This inconsistency may be partly influenced by pathogen diversity if there is a differential response among pathogen sp...
Pythium is a fungus-like genus with worldwide distribution that is found in most terrestrial and aquatic ecosystems. It is a species-rich genus contains important plant pathogenic species. Little is known on the systematics of Pythium in West Azarbaijan province (N.W. Iran). Thus, the aim of this study was to identify 200 isolates collected from different cultivated soils of West Azarbaijan pro...
Management of plant diseases is a subject concern for researchers as well growers. Different management practices are being developed and used to combat the rising number pathogens, which threaten nursery crop production. Use cover crops sustainable soilborne explored an alternative strategy chemicals. However, potential threat these acting secondary host devastating pathogens has not been desc...
The specific oomycete-plant relationship established between a biological agent, Pythium oligandrum, and tomato (Lycopersicon esculentum Mill.) plants was examined over the first 48 h after inoculation of tomato roots with the antagonist. One of the most significant effects was the quick colonisation of cortical and vascular root areas by P. oligandrum (until 9 h post-inoculation); it was simil...
In Poland, about 20% of forest nurseries use irrigation water coming from natural superficial reservoirs, presumed to be the first source of infection caused by harmful pathogens belonging to the Oomycota class, especially Phytophthora genus and Pythium genus. The forest nursery is the only place where forest managers can react before pathogens leave it with asymptomatic plants or soil attached...
Sequence analysis of the ribosomal DNA internal transcribed spacers (ITS) was used to establish phylogenetic relationships among 23 isolates of Pythium insidiosum, the etiological agent of pythiosis in mammals. The isolates were divided into three distinct clades that exhibited significant geographic isolation. Clade I consisted of isolates from North, Central, and South America, while clade II...
The monitoring of the mosquito population for the purpose of possible better mosquito control took place in Osijek from 1995-2004. For the period of ten years, the primary research method for monitoring the mosquitoes used was dry ice baited CDC-traps. This provided significant information on mosquito species, their dynamics and seasonal activity. In total, 207,136 mosquito specimens were colle...
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