نتایج جستجو برای: and four salinity treatments 0
تعداد نتایج: 17033337 فیلتر نتایج به سال:
in order to evaluate the effects of atmospheric co2 concentration increment on rapeseed salinity tolerance, four levels of salinity(0, 5, 10 and 15 ds.m-1) on three cultivars of rapeseed (okapi, zarfam, and rgs) at three levels of atmospheric co2 concentration(350, 700 and 1050 ppm) were studied. the experiment was conducted at the greenhouse of tarbiat modares university at 2010 and 2011 crop...
In order to investigate the interaction of mycorrhizal fungi and salinity on growth and physiological characteristics of sweet corn, a greenhouse experiment was conducted at College of Agriculture, Shiraz University, in 2014. The experimental design was factorial based on Completely Randomized Design in three replications. Treatments included salinity at four levels (0.4 (control), 4, 7, 10 dS ...
abstract mango is one of the most important tropical fruits in iran and salinity is an important problem to mango production in ‘hormozgan’ province and other mango growing areas in iran. at present experiment the effects of saline irrigation water of different sodium chloride concentration on vegetative growth and ion content of mango was evaluated. treatments comprised two type of cultivars (...
Considering forage grass species, germination is one of the important stagesconcerning the growing stage that is often influenced by environmental stresses,particularly salinity and drought stresses. Thus, this study aims to assess the effects ofsalinity and drought stresses on germination characteristics and seedling growth of desertwheatgrass, Agropyron desertorum (Fisch. ex Link) Schult. in ...
The use of micronutrient fertilizers, such as zinc on the condition of natural limiting factors such as salinity can be a great help in the development of medicinal plants cultivated in many parts of the country. In order to study the response of Plantago ovata to zinc application under salt stress, a pot experiment was conducted in 2013, as factorial experiment based on a complete randomized d...
The effect of continuous or gradual stress due to NaCl on in vitro growth, proline and sugar accumulation and nutrient acquisition of trifoliate orange (Poncirus trifoliata (L.) Raf.) explants was studied. Apical shoot tips obtained from previous subculture were transferred to a Murashige and Skoog nutrient medium for proliferation and were exposed to continuous or gradual salinity stress for 4...
In this study, the effects of salinity on the hematological parameters in Mesopotamichthys sharpeyi were investigated within 21 days. One hundred and twenty fish weighing 300-350g were divided randomly to four treatments of urban water and following 3 salinities: 4, 8 and 12 g/lit and blood samples were taken in following days of experiment: 1th, 3th, 7th, 14th and 21th.Hematological parameter...
A remarkable part of Iran is surrounded by arid and semi-arid areas, which are faced with drought and salinity stresses. Today, the management of salinity and drought stresses in the landscape, has a particular importance. In this study, the drought and salinity tolerance of Phyla and Frankenia were investigated, which consisted of 12 treatments (Four levels of salinity at 0.5, 3, 6 and 9 dS/m ...
To determine the effects of salinity and boron excess in irrigation water on relative growth rate (RGR), net assimilation rate on a leaf weight basis (NAR), and leaf weight ratio (LWR) of pistachio, three pistachio rootstocks (Badami -Zarand, Sarakhs and Ghazvini) were used. Rootstocks were grown in soil in eight-liter polyethylene pots. Sodium chloride treatments were 0, 75,150 and 225 mM NaCl...
abstract wild lettuce (lactuca serriola) is an annual weed with seed reproduction. an experiment was conducted to evaluate some environmental effects on germination and emergence of this weed. the type of design was completely randomized with four replications in which factors were arranged as factorial. the experiment was carried out with 11 cm petri dishes in a germinator (10 °c) and without ...
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