نتایج جستجو برای: growing in pvc tubes salinity decreases seminal root length

تعداد نتایج: 17055672  

رنجبر, غلامعلی, زنگی, محمدرضا, فتحی سعد آبادی, محسن , نجفی زرینی, حمید, کاظمی تبار, سید کمال,

In order to evaluate salt tolerance in seedling stage, seeds of 11 hybrid and new varieties of cotton, compared to commercial cultivars of Golestan as control were planted in pot. Factorial experiment in a completely randomized design with three replications was conducted at the Cotton Research Institute of Iran in 2014. The first factor was salinity levels and the second factor was 12 genotype...

اسدی نسب, نفیسه, حسیبی, پیمان , روشنفکر , حبیب اله, مسکرباشی, موسی ,

This experiment was performed to study osmoregulators in sugar beet under salinity stress, and determine the best method for screening of tolerant and susceptible cultivars, in the greenhouse of Shahid Chamran University of Ahvaz during 2009-2010 growing season. Three sugar beet cultivars (BR1, Jolgeh & Rassoul) were grown under three salinity levels including control (Zero), 100 and 200 mM NaC...

2016
Takanobu Fujisawa Nobuyasu Komasawa Haruki Kido Toshiaki Minami

BACKGROUND Stylets are the most frequently used devices for tracheal intubation, but can be a source of postoperative pharyngeal pain or hoarseness. In this study, we evaluated extraction forces between polyvinyl chloride (PVC) and stannum (Sn) stylets with various lubricants. FINDINGS Using a manikin, we compared extraction forces between PVC and Sn stylets under four different conditions: w...

سبحانی, غزاله , شکاری, فرید , گلچین, احمد ,

To evaluate the effects of different levels of nitrogen (N) and salinity on yield and growth indices of tomato, a factorial experiment with a completely randomized design and three replications was performed in greenhouse conditions. Treatments included four levels of salinity (0.5, 2.5, 4.5 and 6.5 dS/m as NaCl) and four levels of N (0, 60, 120 and 240 kg/ha). The results showed that fruit yie...

ژورنال: علوم آب و خاک 2008
رضائی, عبدالمجید , صبوری, حسین , مؤمنی, علی ,

In order to study the genetic diversity of 75 Iranian rice genotypes (45 Iranian land race, 25 improved cultivars, and 5 exotic cultivars) with respect to their salinity tolerance at seedling stage and to determine tolerance indices, based on biomass, genotypic code and Na+/K+ ratio a factorial experiment in randomized complete block design with three replications was conducted under control an...

                      In order to study effect of the various levels of drought and salinity stress (0, -4, -8, -12, -16 bar) on morphological, physiological and biochemical traits of Atriplex halimus in seedling stage under hydroponic culture, two separated experiments were conducted as completely randomized design in three replications in hydroecology laboratory of Gonbad Kavous University...

Behzad Behtari Ghasem Ali Dianati Tilaki, Mohammad Ali Alizadeh Seyed Morteza Araghi Shahri

Salinity stress is one of the most important abiotic stress factors limiting the plants' growth. Seed priming is known as a method which improves the germination performance in seeds in stress conditions. The objective of this study was to compare the effectiveness of Hydropriming and Halopriming on germination performance of Secale montanum while growing under the NaCl-salinity stress. Hydropr...

ژورنال: علوم آب و خاک 2019

Due to the growing population, crop production is one of the essential needs of the society. Since soil and water salinity can have a great impact on the crop yield loss; so, the appropriate irrigation method can be applied to reduce these effects. In this study, the system dynamics model was developed using VENSIM. The model simulated the effect of salinity and water stress on the crop yield, ...

In order to evaluate the response of rice genotypes to salinity stress at germination stage an experiment was conducted as a factorial experiment in a completely randomized design with three replications in Biotechnology La of Sari Agricultural Sciences and Natural Resources University (SANRU). Sixteen rice genotypes were evaluated at four salinity levels (0, 40, 80 and 120 mM). The results of ...

2007
Changshou Luo Sufen Sun Junfeng Zhang Qiang Zuo Baoguo Li

An improved genetic algorithm was applied and examined to optimize the weights of a neural network model for estimating root length density (RLD) distributions of winter wheat under salinity stress. Thereafter, soil water and solute transport with root-water-uptake in a soil-wheat system were simulated numerically, in which the estimated RLD distributions were incorporated. The results showed t...

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