نتایج جستجو برای: germination and
تعداد نتایج: 16830898 فیلتر نتایج به سال:
Extended abstract Introduction: Today, various technologies have been developed to improve seed quality with the aim of increasing the percentage, speed and uniformity of germination and better seedling establishment under different environmental conditions. One of these technologies is seed pre-treatment or seed priming. In this regard, some studies confirmed that pre-treatment of seeds with ...
most seeds of medicinal plants due to ecological adaptation to environmental conditions have several types of dormancy. hence, it's necessary to recognize ecological factors that affect dormancy and provide optimum conditions for germination in medicinal plant species. thirty seed lots were used to estimate germination and dormancy of medicinal plants. treatments were kno3, (2%) and scarificati...
Extended Abstract Introduction: Nowadays, due to land use change and destruction of natural resources induced by human activities, attention to desertification has immensely become widespread. One of the most important species for biological rehabilitation of desert areas on a large scale is the hawthorn plant. Hawthorn is a plant belonging to the family Amaranthaceae, the two species of which...
germination is series of biochemical reactions that depends mainly on temperature and moisture. therefore, seed germination rate of lemon balm (mellissa officinalis l.) were evaluated in temperatures of 20, 23, 25,27, 30 and 32ºc and water potentials of 0, -0.2, -0.4, -0.6 and -0.8mpa. according to the results, germination temperature window was not very wide in a way that germination temperatu...
DOR: 98.1000/2383-1251.1398.6.33.11.1.1575.41 Extended Abstract Introduction: In addition to dormancy, seeds of Allium hirtifolium have a weak emergence in the field. Among methods for improving the efficiency and emergence of seeds, nutritional priming can be considered for its performance on weak seeds. The presence of micronutrients is one of the factors that may affect the efficiency ...
تاثیر هیدروپرایمینگ بر ویژگیهای جوانهزنی و رشد گیاهچه گلرنگ (Carthamus tinctorius L.) تحت تنش خشکی
Priming is an effective method to improve seed viability that might be resulted to increase of seed germination percent and germination rate under stress conditions, such as drought stress. So, in this research the effect of seed priming on seed germination characteristics of safflower were evaluated under drought stress. A factorial experiment based on completely randomized design (CRD) with t...
In order to study the effect of different levels of salinity stress on germination indices and early growth of Trigonella foenum-greacum L., an experiment was conducted in agronomy laboratory of Faculty of Agricultural at the University of Guilan in 2012. The experiment was arranged base on completely randomized design with four replications. The used treatments were different levels of sa...
In order to investigate different treatment effects on germination in Gundelia tournefortii, three factorial experiments were carried out in the completely randomized design with three replications. The first factor was stratification at 4oC in three levels including 0, 3 and 6 weeks, the second factor was mechanical scarification in two levels including seeds with/without scarification and the...
the present study was aimed to investigate the effects of titanium dioxide nanoparticles (nano-tio 2 ) on wheat ( triticumaestivum l.) plants cv. parsi. the experimental treatments included seven concentrations of nano- tio 2 (10, 100, 1000, 1200, 1500 and 1700 ppm nano-tio 2 and control (without any tio 2 ). the results showed that among the wheat germination indices, germination rate and weig...
In order to study the effects of salinity on germination, vegetative growth and some physiological characteristics of canola cultivars, two experiments were conducted at Research Station of Agricultural College of University of Kerman in 2004. The experimental design was a Completely Randomized Block with four replications. Treatments comprised all combinations of different levels of three fact...
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