نتایج جستجو برای: 100 1574 and 160 2519 isolates were produced spore
تعداد نتایج: 16930071 فیلتر نتایج به سال:
abstract this study aimed at investigating the effect of bilingual teaching of cognate words (persian-english) on iranian upper intermediate efl learners’ knowledge of lexical development. for this purpose,100 subjects participated in this study out of which 40 learners were selected for this study and they were assigned into two groups, control and experimental. cross-language cognates (wor...
samples were collected from soil and as well from phyllosphere of rice plant and subjected to dilution plate technique on rbsf trichoderma selective medium. a total of 202 trichoderma isolates were obtained from rice fields at different geographical locations distributed all over mazandaran province. single spore isolates were obtained and genomic dna extracted from all the isolates using dna e...
the percentage of urediniospore germination of two isolates of yellow rust {puccinia striiformis f. sp. tritici) namely, wyr 69/10 |race 104e 137(1)] and isolate wyr 79/4 |race 41e 139 (4)], was studied at various temperatues between 5-20°c on agar and the adaxial surface of detached leaves on a layer of benzimidazole agar. four replicates for five temperature treatments were arranged as a ...
abstract the cr(iii) and zn(ii) complexes with 2-((9,10-dihydro-1-hydroxy-9,10-dioxaanthracen-4-yloxy)carbonyl)benzoic acid as ligand have been prepared by reacting cr(no3) and zn(no3)2 and ligand in cloroform. the cr and zn complexes with 2-((9,10-dihydro-1-hydroxy-9,10-dioxaanthracen-4-yloxy)carbonyl) were also prepared in chloroform and aceton solutions. the uv-visible and ft-ir spectra of...
BACKGROUND Neonectria ditissima is one of the most important fungal pathogens of apple trees, where it causes fruit tree canker. Information about the amount and partitioning of genetic variation of this fungus could be helpful for improving orchard management strategies and for breeding apple cultivars with high levels of genetically determined resistance. In this study single-spore Neonectria...
Studies were conducted to compare six inoculation methods for preliminary screening of potential fungal biocontrol agents for leafy spurge (Euphorbia esula). The six inoculation methods included 1) applying spore suspensions to surface-disinfested, detached leaves of leafy spurge in petri dishes; 2) applying spore suspensions to untreated, detached leaves of leafy spurge in petri dishes; 3) app...
this study purported to compare and contrast the use of self-mention and evidentials as two mtadiscourse features in opinion columns of persian and english newspapers. the theoretical basis of this study is the idea that metadiscourse features vary across cultural boundaries. for this purpose, 150 persian and 150 english opinion columns were collected based on three factors of topic, audience a...
abstract the present study deals with a comparison between reactive and pre-emptive focus-on-form in terms of application and efficiency. it was conducted in an intermediate english class in shahroud. 15 male learners participated in this research and their age ranged from 18 to 25. a course book, new interchange 3, and a complementary book were used. every session the learners gave lectures o...
abstract i the purpose of this study was to launch a thorough investigation concerning the possibility of differing orientations to the writing proficiency construct by native and non-native english speaking teacher raters. it mainly revolved around the international english language testing system (ielts) that is widely administered and employed as a measure of general proficiency in englis...
Pestalotiopsis-like species have been reported affecting strawberry worldwide. Recently, severe and unprecedented outbreaks in Florida commercial fields where leaf, fruit, petiole, crown, root symptoms were observed, yield was severely affected. The taxonomic status of the fungus is confusing because it has gone through multiple reclassifications over years. Morphological characteristics, phylo...
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