نتایج جستجو برای: physiological stress

تعداد نتایج: 669731  

2013
Nikos A. Salingaros

Human beings are apparently tuned to prefer an environment that has the self-similar properties of a fractal. Furthermore, as different types of fractals are characterized by what is known as their “fractal dimension” D , we respond best to “mid-range” fractals where D is between 1.3 and 1.5. In such fractal environments, our body automatically dampens its response to stress induced by intensiv...

Journal: :علوم باغبانی ایران 0
ناصر قادری علیرضا طلایی علی عبادی حسین لسانی

in order to evaluate the effect of different levels of drought stress on some physiological parameters in grapevine, a potted experiment with iranian grapevine cultivars ‘sahani’, ‘bidane-sefid’ and ‘farkhii’ was conducted in summer of 2008. the experiment was performed while employing four drought stress (water potential of soil, ?s= -0.2, -0.6, -1, -1.5 mpa) treatments each in three replicati...

Journal: :پژوهش های تولید گیاهی 0
زهرا صفری محمدیه دانشگاه فردوسی مشهد محمد مقدم هیات علمی دانشگاه فردوسی مشهد بهرام عابدی دانشگاه فردوسی مشهد لیلا سمیعی دانشگاه فردوسی مشهد

abstract background and objectives: soil salinity is one of the most important limited factors of plant productions. physiological drought resulting from salinity stress is one of the main reasons of limiting water absorption from soil. moreover, increasing the salt absorption by plants cause to disorder in physiological and cellular processes. spearmint (mentha spicata l.) is from lamiaceae fa...

P. Ahmad, S. Sharma

The purpose of this study was to evaluate the physiological and biochemical changes that occur in mulberry (cv. local and Sujanpuri) plants under alkaline conditions in order to understand the response of these cultivars to alkalinity. Mulberry plants were subjected to different treatments using NaHCO3 and after 20, 40 and 60 days, different physiological and biochemical parameters were studied...

Cadmium as a heavy metal is also considered as a serious threat for the environment. This element is accumulated in soil through industrial processes as well as phosphate fertilizers and aggregates into the food chain. This study was conducted in order to investigate the different levels of cadmium effects on growth features of rapeseed (Brassica napus L.) plants. Root and shoot weight and heig...

2017
TESSA L. KOSCHEL JOHN C. YOUNG JAMES W. NAVALTA

Stress levels in university students peak during the final exam period. An inverse association exists between Physical Activity (PA) and poor mental health. UNLV has created Fitness4Finals (F4F), an event novel in its approach to academic stress reduction by incorporating both physical activity and mental relaxation. To our knowledge, a university-driven programming event aimed at reducing phys...

دیلم کتولی, فاطمه, عجم نوروزی, حسین, فغانی, الهام,

Salinity is known as one of the most important abiotic factors that limit growth and yield of crop plants. This research was conducted to evaluate the effect of mycorrhiza symbiosis on physiological responses of Solanum lycopersicum against salinity stress. Three Solanum lycopersicum genotypes with and without mycorrhiza fungi and three levels of salinity stress (non-saline (control), mild (4 d...

سیاری, محمد, صفری‌نیا, هیثم, صیدی, مهدی, قنبری , فردین ,

Water deficiency stress as the most important abiotic stress plays an important role in the yield suppression of plants worldwide. Considering physiological indices to improve drought resistance is of paramount importance. The objective of present study was to evaluate the effects of different irrigation intervals (irrigation after 5, 7, 9 and 11 days) and rates of superabsorbent polymer (Nil, ...

In order to investigate the effect of dehydration stress and planting date on some physiological indices and growth of Cymbopogon citratus, a field experiment in the form of a split plot in a randomized complete block design with 3 replications, including 3 levels of different irrigation (100% full irrigation as a control, 75 and 50% full irrigation) and 3 levels of planting date including 20 M...

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