fusarium graminearum is one of the most important causes of fhb or wheat scab in different part of the world. this fungus is able to produce widespread trichothecene mycotoxins such as nivalenol (niv) and deoxynivalenol (don) which are harmful for both human and animals. to determine chemotypes of trichothecene, a total of 100 isolates from different fields of golestan province in iran includin...

abstract intestinal parasitic infections are among the most important infectious diseases that are associated with individual and public hygiene. every year millions of people are infected with some sort of intestinal parasites worldwide. in iran there are different types of intestinal parasites that cause economic, social, and health losses. the aim of the cross-sectional study was to investig...

during this study, the effect of morning liming on water quality of cultured carps in dikjeh area of gonbad was investigated. nine ponds (3 hectars) were chosen and divided to 3 treatments including; (1-liming 750 mg/l, 2-liming 1250 mg/l and 3-liming 1750 mg/l). limning was done at 7 and 8 oclock in the morning and weekly. in definite intervals, sampling from water was done and physicochemical...

background: differential diagnosis of two protozoan parasites entamoeba histolytica and e. dispar is of great clinical and epide miologi cal importance, but except in the case of haematophagous trophozoites in acute dysentery, it is not possible to differ entiate them by microscopy. the present study was carried out from february 2005 to july 2006 in order to determine the preva lence of e. his...

mithraism and zoroastrianism, the ancient iranian religions, are rooted in the culture of this country; consequently, their reflections are vividly evident in persian literature. the prominent iranian poet nizami ganjavi utilized these cults allegorically and symbolically in his two prominent versified stories of haft paikar, and khosro and shirin. this paper aims at discussing the primary samp...

aftab cultivar originated from national cereal breeding programs .the new cultivar  was evaluated in international high rainfall wheat yield trial nursery at gachsaran and gonbad agricultural research stations (2008-2009). due to optimum grain yield and other agronomic traits, the new cultivar was tested in advanced yield trials in gachsaran, ilam, khoram abad and gonbad research stations (2009...