نتایج جستجو برای: exogenous application
تعداد نتایج: 811561 فیلتر نتایج به سال:
Silicon (Si) can protect some plants from biotic and abiotic stresses. In this research, effects of three exogenous Si levels (0, 0.85 and 1.7 mM) on growth, lipid peroxidation, lipoxygenase activity, proline content, H2O2 accumulation, and activity of non-enzymatic and enzymatic antioxidants (catalase and ascorbate peroxidase) under powdery mildew disease stress by Sphaerotheca fuliginea on pu...
this article is an attempt to survey the contraction and cancellation of the reuter’s agreement as a one-sided approach and from special perspective, by using minimalistic ideology and with emphasis on multi-sided and various reasons and factors effective in the process of this contract. on the basis of this research, in this contraction, different factors came together and augmented one anoth...
neonate ruminants possess little cell-wall and starch degrading enzyme activity. importantly, early establishment of fibrolytic, amylolytic, and proteolytic capacities is influential for the early expansion of the reticulorumen epithelia. such an early development in reticulorumen fermentation will enable a timely hepatic adaptation to volatile fatty acids assimilation. the early nutrient relea...
The effect of exogenous application; seed priming or foliar spraying of salicylic acid (SA) on Yecora Rojo and Paragon wheat cv. under NaCl-salinity. Gas exchange parameters, growth parameters, yield and yield components were reduced in both cultivars under salinity stress with foliar spray and soaking seeds. Exogenous application of SA through foliar spraying or seed soaking showed a slight in...
Salicylic acid (SA) is an endogenous plant growth regulator of phenolic nature that plays a key role in the regulation of plant growth, development, interaction with other organisms and in the responses to environmental stresses such as drought. An experiment was therefore, conducted to evaluation the influence of exogenous SA application on some traits of common bean under water stress conditi...
In this study, selenite ions were reduced to selenium nanoparticles using a leaf extract of barley (Hordeum vulgare L.) plants. Characterization of synthesized nanoparticles using Scanning Electron Microscopy (SEM) and UV-visible spectrophotometry indicated the formation of variable size of selenium nanoparticles, suggesting that leaf extract could form polydispersed nanoparti...
Distractor onset but not preparation time affects the frequency of task confusions in task switching
When participants rapidly switch between tasks that share the same stimuli and responses, task confusions (i.e., the accidental application of the wrong task) can occur. The present study investigated whether these task confusions result from failures of endogenous control (i.e., from ineffective task preparation) or from failures of exogenous control (i.e., from stimulus-induced task conflicts...
to find the protective role of exogenous nitric oxide (no) on salinity-stressed rice seedlings, a crd-based factorial experiment with three replications was conducted in agronomy laboratory of the faculty of agricultural sciences, university of guilan, in 2012. the experimental design consisted of healthy and vigorous seedlings of two rice cultivars, khazar and goohar, the last already known as...
this study was conducted to determine the combined effects of salicylic acid (sa) and arbuscular mycorrhizal fungi (amf) (glomus mosseae) symbiosis on the growth of pistachio seedlings (pistacia vera ‘abareqi’) grown in the greenhouse under different drought stress (ds) levels. the arbuscular mycorrhizal fungi (amf) colonization or exogenous sa treatment could increase ‘abareqi’ pistachio seedl...
Gibberellin regulates plant growth, development, and metabolic processes. However, the underlying mechanism of substantial effect gibberellin on stem height secondary metabolites in forage ramie is unclear. Therefore, this study combined transcriptomic metabolomics analyses to identify mechanisms regulating growth metabolite contents following exogenous application. Exogenous application signif...
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