نتایج جستجو برای: seedling vigor
تعداد نتایج: 18898 فیلتر نتایج به سال:
Extended abstract Introduction: Heavy metals pollution is one of the most important environmental problems. This type of metals with accumulation in the food chain has a lot of human and animal hazards. Among heavy metals, lead is considered to be the most dangerous of heavy metals in the environment, which is contaminated with the environment through the lead-acid battery industry, paint addi...
Shallot (Allium cepa L. var. aggregatum) cultivation is performed using True Seed (TSS) to obtain seedlings. However, it difficult handle when sowing directly, due the seed’s small and irregular shape. Therefore, encapsulation technology needed make TSS seeds have a larger size regular Shallots enable be more significant, roundshaped through encapsulation. This research was conducted combinatio...
seed reserves are controlled by genetic and environmental condition such as nutrition, temperature, drought stress and light intensity. strong seedling will produce from seeds with high reserves. therefore, in this work that conducted in pot, field(in tabriz university) and lab(in shahrood university of technology) experiments, effect of pre-anthesis nitrogen application and a drought stress du...
In this study, the effects of seaweed extract (Ascophyllum nodosum) on seed germination stimulation and growth indices in chickpea were studied. A factorial experiment was performed on the basis of a completely randomized design with 3 replications. Treatments consisted of seaweed extract at four levels (0, 1.5, 2.5 and 3.5%) and drought stress at four levels (0, -0.3, -0.6 and -0.9 MP). Drough...
Abstract: In this experiment, the response of canola cultivars to salnity stress in germination stage was evaluated using a factorial experiment with four replications in completely randomized design. Six canola cultivars (Fornex, Alice, Orient, Consoul, Okamer and Okapi) were subjected to four salinity levels (0, 40, 80 and 120 mMol NaCl) under room, greenhouse, field? Salinity reduced the...
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 ...
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 ...
Salinity is one of the most important factors limiting agricultural production. Cotton, as an oil-fiber plant, is one of the most important industrial plants and is sensitive to salinity, especially at germination and seedling stages. Therefore, in this study, 14 allotetraploid varieties of commercial and local cotton were selected. The study was carried out as factorial with a completely rando...
this study was conducted at the gorgan university of agricultural sciences and natural resources farm, iran, golestan province with about 600 mm annual rainfall in order to evaluate the effect of different sowing dates on azivash (corchorusolitorius) seed quality, using a randomized complete block design with three replications on 2013. treatments were four sowing dates such as may 5, jun 5, ju...
The results of present investigation revealed that among the different potting media treatments, M1: Vermiculite + Garden soil Sand was found to be most beneficial for improving took days germination, germination percentage, height seedling, number leaves seedling-1, stem diameter, primary roots length (cm), secondary roots, fresh and dry shoots weight, seed vigor index – I II leaf area (cm). I...
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