نتایج جستجو برای: phenotypic markers
تعداد نتایج: 277994 فیلتر نتایج به سال:
although candida albicans is the most common etiologic agent of candidiasis, c. dubliniensis, has been emerged, as another pathogen resembles c. albicans in many phenotypic aspects and noted for its in vitro potential for fluconazole resistance. since there was no evidence of any report about detection of this organism in iran, this study was designed to use of five different tests for identifi...
Identification of AFLP markers associated with flowering time and ornamental traits in Chrysanthemum
Flowering period and longevity play important roles in determining the quality of commercial flowers. Marker-trait associations for eight flowering and 12 ornamental traits have been studied using a GLM and MLM analysis with a set of 2099 AFLP polymorphic markers in Chrysanthemum. The GLM model identified 453 markers for phenotypic traits whereas the MLM association analysis model revealed a t...
Finding association between molecular markers and agronomic traits provides an excellent tool for indirect selection of a trait of interest in the population. In this study, stepwise regression analysis was used to estimate associations between ISSR and RAPD markers with some agronomic traits in 12 lemon balm ecotypes. Markers or bands were considered as independent variables and traits were co...
To identify quantitative trait loci (QTLs) controlling heading date and plant height, ninety nine F13 recombinant inbred lines (RILs) derived from barley cultivars Azumamugi × Kanto Nakate Gold cross were evaluated. The field trails were conducted at randomized complete block design with two and three replications in 2004 and 2005, respectively. Significant differences and transgrassive segrega...
In order to detect the QTL associated with nitrogen-deficiency tolerance at seedling stage, a population of 96 lines derived from Ahlami Tarom and Neda cross were studied at 2014. For genetic linkage map construction, 30 SSR and 15 ISSR makers were used. The resulted linkage map covered 1411.3 cM of rice genome with an average of 15.34 cM distance between two markers. A total of 37 QTLs were id...
the aim of the present study was to investigate the frequency and the type of discourse markers used in the argumentative and expository writings of iranian efl learners and the differences between these text features in the two essay genres. the study also aimed at examining the influence of the use of discourse markers on the participants’ writing quality. to this end the discourse markers us...
For QTL mapping of related salt tolerance QTLs and determining the contribution of each QTL to phenotypic variation, a population consisting of 96 F2:3 families derived from the cross Kharchia (parent tolerant) and Gaspard (susceptible parent) were evaluated during 2 years. Of the 92 microsatellite markers used to evaluate parents, 32 markers were polymorphic which were used for analysis. Three...
salinity stress is a major limitation in wheat production. the lack of economically viable methods for screening salinity tolerance in field is an obstacle to breeders. in this study a population of 254 recombinant inbred lines (rils), derived from a cross between roshan × sabalan was assessed in glasshouse during the seedling phase in order to identify quantitative trait loci (qtls) for salini...
To evaluate the genetic diversity in quinoa genotypes for future studies, 60 imported quinoa genotypes were studied using microsatellite markers (SSR) at the faculty of agricultural sciences, University of Guilan, Rasht, Iran, in 2022. The results of the phenotypic evaluation of the quinoa genotypes showed that there was a relatively high diversity among them. Among the studied traits, seed yie...
In Present research, 196 F2:4 families from the cross between two Iranian local and improved rice varieties, Sepidrood and Gharib, were used to identify QTLs controlling cooking and milling quality traits. The polymorphism between parents was evaluated by 550 SSR markers and 10 primer combinations of the AFLP markers and linkage map was constructed by 216 polymorphic markers (105 SSRs and ...
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