abstract relation between sexual maturity and levels of two main steroid hormones in gonads, 17- estradiol (e2) and testosterone (t) were studied by using histological and radioimmunoassay in female kutum rutilus frisii kutum during spawning season of the southern caspian sea. the study was carried out from february to may 2008 using 105 migrated fish specimens catched from the river sefid-rood...

in this research, we studied physical, chemical and biochemical characteristics of pistachio entitled pistacia vera cv. daneshmandi and was compared to three pistachio including of badami sefid, kalle ghoochi and akbari. the examined characteristics were fresh and dry weight of seed, green shell and also kernel, weight of hard shell, seedless and early opening nut, comparing the seed and kernel...

gel sefid village is in mashayekh village in central part of ardal city of chahar mahal and bakhtiari province. in the research, quickbird satellite image in google earth software was used to introduce the landscape of this village and to recognize the whole human uses and natural spots in the study area. then the resulting map was transferred to arcgis 3.1 software and the area land use map wa...

this research was conducted in sefid-rud river of southern caspian sea and amounts of ionic (sodium, potassium, magnesium and calcium) and metabolic (cholesterol, total protein and glucose) parameters in 35 maturated and 45 immature female kutum blood determined. fish samples were collected monthly from march to may in 2008. blood samples were taken from the caudal vessels. no abnormalities or ...

thioredoxins (trxs) are small heat-stable proteins that are involved in the cell redox regulation and are present in all organisms from prokaryotes to higher eukaryotes. in higher plants, trxs can be classified into six different groups namely: the chloroplastic trxs f, m, x, and y, the mitochondrial trx o and the trxs h. the trxs h are represented by a small multigenic family that participate ...

improve forage quantity and quality using organic and biological fertilizers production of important needs in dryland farming systems of the country. in this study the effects of foliar application of four different combinations of amino acid four different time steps were germinated plant growth, stem elongation, flowering and spraying all three steps above with the control treatment was carri...