twenty local and foreign maize (zea mays l.) hybrids in five different maturity groups were evaluated in mashhad, iran for two years (2007-2009). three planting dates (5th may, 20th may and 5th june) and hybrids were arranged in a randomized complete block design as split plot arrangements, with three replications. the planting dates were in main plots and hybrids in subplots. the results indic...

Litchi is an important fruit tree in tropical and subtropical areas of the world. However, there is widespread confusion regarding litchi cultivar nomenclature and detailed information of genetic relationships among litchi germplasm is unclear. In the present study, the potential of single nucleotide polymorphism (SNP) for the identification of 96 representative litchi accessions and their gene...

This prospective, longitudinal study investigated the moderating role of pubertal timing on reciprocal links between adolescent appraisals of parent-child relationship quality and girls' (N=1335) and boys' (N=1203) cigarette and alcohol use across a twelve-month period. Reciprocal effects were found between parent-child relations and on-time maturing boys and girls' cigarette and alcohol use, a...

The effect of selection for growth rate on relative growth of the rabbit body components was studied. Animals from the 18th generation of a line selected for growth rate were compared with a contemporary control group formed with offspring of embryos that were frozen at the seventh generation of selection of the same line. A total of 313 animals were slaughtered at 4, 9, 13, 20, and 40 wk old. ...