in order to compare photosynthetic features of triticale, bread wheat, and barley under water deficit conditions, this experiment was carried out in kurdistan province in western iran. four genotypes of triticale, three cultivars of bread wheat, and a new variety of barley were compared under well watered (ψsoil= -3 bars) and soil water deficit (ψsoil= -12 bars) conditions in a randomized compl...

the time of duration of plant developmental stages could have an effect on crop yield and adaptation in a specific environment. the aim of this study was to evaluate the phenological behavior in a wide range of wheat cultivars and their relation with adaptation and potential of crop production in a specific climate (semi-arid and cold). by using a simple lattice design with three replications i...

More frequent and more intense heat waves greater drought stress will occur in the future climate environment. Short-term extreme often simultaneously after winter wheat anthesis, which has become major constraint threatening yield. In this study, short-term heat, their combination were applied to plants all restored outdoor normal temperature full watering treatment. The aim of current study w...

in this study the effects of source limitation on grain yield of twelve barley cultivars (‘aras’,‘jonub’,‘reihan’,‘zarjou’,‘sararoud’,‘sahra’,‘fajr30’,‘karoun’,‘gorgan’,‘makouei ’and ‘nosrat(’ under post anthesis water deficiency were studied. source limitation treatments were included that control, removing of awn, leaves below flag leaf, flag leaf and spike photosynthesis. all source limitati...

To utilize scent as an added value of cut tulip flowers, it is necessary to reveal how the changes during anthesis. This study investigated daily in emission flowers under different temperatures (13℃, 18℃, and 23℃), using Tulipa ‘Niigata 13 go.’ At 23℃, total was high decreased with tepal senescence. The emissions at 18℃ increased later than those 23°C. lowest temperature (13°C) resulted overal...

in order to study the source limitation and contribution of pre-anthesis assimilates to grain in dual-purpose (forage and grain) barley, a field experiment was carried out in iran, ahvaz region. the experimental design was split plot in randomized complete block with three replications. application rates of nitrogen at four levels (60, 120, 180 and 220 kg.ha-1 n) were as main plots, while sub p...

this study was performed to investigate the photosynthetic partitioning pattern of materials to aerial parts of bread wheat in dryland conditions. it was as well to study its relationship with bread wheat resistance and grain yield in drought conditions. seven genotypes including two cultivars (azar2, sardari) and five lines were investigated in a field experiment through a randomized complete ...

a two-year field experiment was carried out in semi-arid region of southern iran (shiraz), during 2007-2008 and 2009-2010 growing seasons using various mixtures of an early- (cv falat) and a middle-ripening (cv shiraz) winter wheat cultivar to evaluate the beneficial effects of inducing temporal growth heterogeneity on reduction of intra-specific competition during post-anthesis moisture stress...

The management of amylose and protein contents cooking quality are the main challenges in rice macronutrients improvement. This experiment was conducted to examine grain quality, alkali digestion, gel consistency responses irrigation interval after anthesis. Three varieties (K1, K3, K4) were subjected different intervals (1, 2, 3 d) findings this study showed that content markedly increased fro...