نتایج جستجو برای: environment and genotype x environment interaction effect were statistically significant
تعداد نتایج: 17330990 فیلتر نتایج به سال:
T HE experiment involved 48 pairs of male Holstein fraternal twin calves. Two methods of raising calves were contrasted: (A) High fat (20%) and protein (20%) vealer ration fed from 3 days of age to a market weight of 128 kilograms. (B) The same vealer was fed up to a live weight of 56.7 kg, followed by pelleted grain mixture fed ad libitum and hay offered to a maximum of 0.9 kg per day. Twin pa...
Half diallel crosses of eight bread wheat cultivars were used to estimate the genetic parameters and types of genetic control for yield and yield components, and to determine the effects of environmental factors on these parameters. Parents and their F2 hybrids were grown in a randomized block design under irrigated and stressed (terminal drought) conditions. For all traits, except for number o...
two groups of students were assigned as experimental and control ones, and were given instruction on directed reading-thinking activities and after some treatment, they were post-tested. although the initial pre-test did not show any significant differences, the final post-test result revealed that the cooperative reading comprehension helped the experimental group. the cooperative students’...
to locate the genes controlling adaptability in bread wheat using ammi (additive main effect and multiplicative interaction) model, twenty-one substitution lines derived from the parents chinese spring (recipient) and chayan (donor) were used in a randomized complete block design with three replications in three different environments in the agricultural college of razi university, kermanshah, ...
In order to determine yield stability of 20 durum wheat genotypes, a trial was carried as randomized complete block design with four replications in four years during 2009- 2014 in Sarab-Changae station of Khorramabad, Iran. Analysis of combine variance showed that environment, genotype and genotype × environment interaction were significant at 1% probability level. Variance analysis of additi...
background: attempts for early detection of gastric cancer have recently focused on host's genetic susceptibility factors and gene-environment interactions. we have, herein, studied the association of mthfr c677t single nucleotide polymorphism (snp) and its interaction with helicobacter pylori infection, smoking, age and gender on the risk of gastric cancer among an iranian population. met...
the present study was conducted to investigate the role of summary in teaching grammar process on pre-university students. to this end, 48 male pre-university students in semnan were participants. they were math class that we called experimental group and science class as control group. in order to make sure there was no significant difference in proficiency level of two groups. a pre-test wa...
The chromosomal architecture of genotype x environment interactions was investigated in lines of Drosophila melanogaster selected for increased or decreased sternopleural bristle number at 18 degrees , 25 degrees and 29 degrees . In general, interactions were found to have a stabilizing effect upon the bristle phenotype, in the sense that the genotype x environment interaction tended to increas...
A G × E performance (interaction, profile) plot for showing genotype-by-environment data is discussed. Three versions of such a plot are compared: the regular performance plot; the performance plot based on coded data (environment-centered performance plot), in which the environment means of a trait are subtracted from data; and the performance plot based on data standardized in environments (e...
the present study was an attempt to conduct a contrastive analysis between general english (ge) and english for specific purposes (esp) texts in terms of cohesion and cohesive devices. to this end, thirty texts from different esp and ge textbooks were randomly selected. then they were analyzed manually to find the frequency of cohesive devices. cohesive devices include reference, substitution, ...
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