نتایج جستجو برای: reduced when salinity level increased but

تعداد نتایج: 4530500  

رونقی, عبدالمجید, شیخی, جمال, موسوی, سید مجید ,

A greenhouse experiment was conducted to evaluate the effect of vermicompost and sodium chloride (NaCl) on growth of spinach cv. Viroflay and some chemical properties of post-harvest soil. The greenhouse experiment was factorial, arranged in a completely randomized design with three replications. Treatments included three vermicompost levels (0, 1 and 2% w/w) and four salinity levels (0, 1, 2 a...

2008
Boyin Huang Yan Xue David W. Behringer

[1] Salinity profiles collected by the International Argo Project (International Argo Project data are available at http://argo.jcommops.org) since 2000 provide us an unprecedented opportunity to study impacts of salinity data on the quality of ocean analysis, which has been hampered by a lack of salinity observations historically. The operational Global Ocean Data Assimilation System (GODAS) d...

2006
D. DeLaune

Laboratory expenments were conducted to evaluate the effects of increased so11 salinity on gas exchange functlonlng and growth of the braclush-marsh grass Spartlna patens (Alt) Muhl under controlled soil redox potentials (Eh) which were malntalned at either aerobic (+489 mV) or hypoxlc (-40 mV) conditions Plants were subjected to salinities of 0 5, 15 and 25 ppt gradually over a 7 d penod and l...

ژورنال: علمی شیلات ایران 2020

At this study, the effects of adding Iranian acorn flour on growth performance, carcass composition and resistance to salinity stress of common carp were investigated. Experimental diets included: 1) without acorn and not autoclaved diet; 2) without acorn and autoclaved diet for 2 minutes; 3) without acorn and autoclaved diet for 10 minutes; 4) with 10 percent acorn and not autoclaved diet; 5) ...

Salinity tolerance of four grape genotypes [GharaUzum, Hosseini, AghUzum and Keshmeshi] was studied under various salinity levels (25, 50 and 100 mM NaCl). As a result, growth indices were significantly (P<0.05) reduced by salinity, whereas Cl- and Na+ contents in the plant parts were increased. Cl- accumulation exceeded than that of Na+ in all treatments. Among the genotypes studied, GharaUzum...

Journal: :journal of sciences, islamic republic of iran 2012
r hajiboland

the influence of salinity on the different polyamine fractions (free, conjugated, and bound) was compared in a natrophilic halophyte (beta vulgaris l. cv. ic) and a salt sensitive glycophyte (nicotiana rustica l. cv. basmas). low-level salinity (25 mm nacl) and high salinity (150 and 50 mm nacl for sugar beet and tobacco, respectively) were supplied in hydroponics. under low salinity shoot dry ...

ژورنال: علوم آب و خاک 2019

Abiotic stresses such as salinity and contamination individually have a negative effect on the soil enzyme activities, whereas addition of organic matter to soil can alleviate the negative impacts of stresses on the enzyme activity. However, the combined effects of these stresses (multiple stresses) on soil biochemical conditions and the role of organic matter addition in these interactions are...

S Shokravi, M Dezfulian , N Soltani , S Iranshahi , T Nejadsattari ,

Taking into account the high potential of cyanobacteria to tolerate salinity stress, researches have evaluated the morphological and physiological behavior of these microorganisms in recent years. This study is conducted to investigate the impact of different concentrations of NaCl on the morphological and physiological traits of Nostoc sp. ISC 101. Biometrical and morphological observations ar...

Journal: :فصلنامه علمی پژوهشی گیاهان دارویی 0
a sahari moghadam department of horticulture, islamic azad university, karaj branch, karaj, iran a mehrafarin medicinal plants research center, institute of medicinal plants, acecr, karaj, iranسازمان اصلی تایید شده: دانشگاه آزاد اسلامی کرج (islamic azad university of karaj) h naghdi badi medicinal plants research center, institute of medicinal plants, acecr, p.o.box: 31375/1369, karaj, iran tel: +98-26-34764010-18, fax: +98-26-34764021سازمان اصلی تایید شده: پژوهشکده‮ ‬گیاهان‮ ‬دارویی‮ ‬جهاد‮ ‬دانشگاهی (institute of medicinal plants)

background: some health-protecting secondary metabolites can be found at a higher concentration in the sprouts compared to other stages of plant growth. in addition, environmental stresses such as salt stress may be resulting in the increase or decrease of specific secondary metabolites in sprouts and plants. objective: evaluation the changes of trigonelline, nicotinic acid, and proline content...

2014
Jelte Rozema Danny Cornelisse Yuancheng Zhang Hongxiu Li Bas Bruning Diana Katschnig Rob Broekman Bin Ji Peter van Bodegom

Salt tolerance of higher plants is determined by a complex set of traits, the timing and rate of evolution of which are largely unknown. We compared the salt tolerance of cultivars of sugar beet and their ancestor, sea beet, in hydroponic studies and evaluated whether traditional domestication and more recent breeding have changed salt tolerance of the cultivars relative to their ancestor. Our ...

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