نتایج جستجو برای: phytophthora drechsler
تعداد نتایج: 8588 فیلتر نتایج به سال:
Members of the oomycete genus Phytophthora are the most devastating pathogens of dicot plants. Recent developments in the study of these organisms have led to improved understanding of their phylogenetic relationships and trends in their evolution. Molecular analyses of nonhost (species-level) resistance offer exciting prospects for disease management. A model that evokes a complex interplay of...
Phytophthora capsici from seven provinces of China were investigated for their mating type, hyphal growth, zoospore production, and virulence. All of the morphological characteristics and the results of polymerase chain reaction confirmed that these isolates were indeed Phytophthora capsici. The test of mating type showed that the mating types of 19 representative isolates from China varied. Th...
Cyclic AMP, Radioimmunoassay, Phytoalexins, Glycine max, Phytophthora megasperma cAMP levels were monitored in soybean (Glycine max) infected with race 1 of Phytophthora megasperma f. sp. glycinea and in soybean cell suspension cultures treated with a glucan elicitor from P. megasperma. While cAMP could be readily detected in soybean hypocotyls using a radio immunoassay, no correlation was obs...
Saprophytic growth of Phytophthora cinnamomi indicated that the pathogenicity was not enhanced by addition of Nor Ca-sources to the basal growth medium. Mycelium obtained from the N and Ca-enriched sources and used to inoculate blue lupin seedlings indicated that the pathogenicity of the fungus was reduced by the addition of either N or Ca to the fungus cultures. The detached root technique was...
A new screening method for inhibitors of cellulose biosynthesis is described. This method utilized three microbial strains; a cellulose-containing fungus Phytophthora, and a cellulose non-containing fungus Candida, and a bacterial strain of Acetobacter, a cellulose-producing acetic acid bacterium. The primary screen examined microbial cultures for selective growth inhibition against Phytophthor...
Since Basidiobolus ranarum (Eidam, Beitr. Biol. Pflanz. 4:181, 1886) was first reported as a cause of subcutaneous phycomycosis in human beings (Lie Kian Joe et al., Arch. Dermatol. 74:378, 1956), some question has prevailed as to the validity of the specific identification (Drechsler, Am. J. Botany 45:632, 1958). The isolates from man were reported as B. ranarum initially, even though some cul...
This paper provides recommendations of one name for use among pleomorphic genera in Dothideomycetes by the Working Group on Dothideomycetes established under the auspices of the International Commission on the Taxonomy of Fungi (ICTF). A number of these generic names are proposed for protection because they do not have priority and/or the generic name selected for use is asexually typified. The...
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