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This study was conducted to investigate the associations between physiological and agronomicaltraits of different bread wheat genotypes in dryland conditions. 20 genotypes (including 18 lines and 2 cultivars) were investigated in one experiment using randomized complete block design with four replicates in dryland conditions during 2006- 2007. Traits measurements were carried out at the anthes ...

POSTED TO: Environmental Stresses in Crop Sciences [2228-7604]

Drought is one of the most important factors that affect crop production in Iran. Potato is often assumed to be a drought sensitive crop and its exposure to even short periods of water stress from germination through tuber growth can cause significant reduction in tuber yield. In order to study the effect of drought stress at vegetative stage on root characteristics and allometric relationship ...

POSTED TO: Environmental Stresses in Crop Sciences [2228-7604]

Journal Article

Hydrotime model: Introduction and application of this model in seed researches

Alimagham, S. Majid , Graduated M.Sc Student of Agroecology, Gorgan University of Agricultural Sciences and Natural Resources et al. [2014-09-06]

Germination is the first and most important developmental stage of plants which is influenced by genetic and environmental factors. Hydrotime model describes the relationship between water potential (ψ) and seed germination rate and percentage. This model quantifies the rate of germination progression (θH), the stress tolerance of germination (ψb(50)) and the uniformity of germination (σψb). T ...

POSTED TO: Environmental Stresses in Crop Sciences [2228-7604]

Journal Article

Evaluation of Selenium’s influence on diminishing the negative effects of salinity and low seed storage in rice germination

Rabieyan, Ehsan , Student of Agroecology in Sahid Chamran University of Ahvaz et al. [2014-09-06]

Selenium is of micronutrients which beside its effective role on increment of endurance of plants such as rice against undesirable environmental effects, plays an important role in human health, due to its anti-oxidant and anti-cancer characteristics. Thus, to evaluate the influence of selenium on diminishing the negative effect of salinity and low seed storage in germination of Shafagh rice c ...

POSTED TO: Environmental Stresses in Crop Sciences [2228-7604]

Journal Article

Effect of salicylic acid on drought stress through improving some morphological, physiological and yield components traits of mustard plant (Brassica compestris var. parkland)

Fazeli Kakhki, Seyyed Fazel , PhD in Crop Physiology and teacher in Agriculture Jehad Education Center of KhorasanRazavi, Mashhad et al. [2014-09-06]

Salicylic acid reduces the effects of oxidative stress as a secondary stress in dry condition. In order to study mitigation effects of salicylic acid (SA) on drought stress conditions in mustard plant, a factorial experiment was conducted based on completely randomized design with three replications at the Research Greenhouse of Ferdowsi University of Mashhad Iran, in 2012. The first factor wa ...

POSTED TO: Environmental Stresses in Crop Sciences [2228-7604]

Journal Article

Effect of salinity and boron on seed germination and emergence of canola (Brassica napus L.)

Hosseini, Yaaghoub , Member of Scientific Staff, Agricultural and Natural Resources Research Center, Hormozgan et al. [2014-09-06]

Seed germination and the following growth of young seedlings are important stages of plant development particularly under stress conditions and plant survival depends on these two influential stages. The effects of salinity and boron on seed germination and seedling emergence of canola (Brassica napus L.) were examined in this research. Results showed that the seed germination were significant ...

POSTED TO: Environmental Stresses in Crop Sciences [2228-7604]

Journal Article

Evaluation of cold tolerance in some alfalfa (Medicago sativa L.) ecotypes under field condition

Monirifar, Hasan , Researcher at Agricultural and Natural Resources Center of Eastern Azarbayjan et al. [2014-09-06]

Survival and profitability of alfalfa fields in cold regions is affected by winter injury and parts of alfalfa fields are subject to damage or destruction due to winter conditions every year. In this study eleven alfalfa ecotypes with two international cultivars were evaluated as check in 'Tikmadash station', Tabriz, Iran with an ultra-cold climate from 2008 to 2011. Seeds were first planted i ...

POSTED TO: Environmental Stresses in Crop Sciences [2228-7604]

Journal Article

Uptake and transport of micronutrients (iron, copper, zinc and manganese) in different cultivars of bean (Phaseolus vulgaris L.) under iron- deficient and non-deficient conditions in soil

Mahmoodi, Saeed , M.Sc. Student, Department of Soil Science Engineering, College of Agriculture and Natural Resources, University of Tehran, Iran et al. [2014-09-06]

One of the most important problems of calcareous soils in arid and semi-arid areas is the reduction of iron and zinc uptake. There are different ways to resolve this deficiency in the soil which the most effective and economic way is to use efficient varieties. This study was conducted to evaluate the effect of iron deficiency on the concentration, uptake and relative transport of iron, zinc, ...

POSTED TO: Environmental Stresses in Crop Sciences [2228-7604]

Indigo (Indigofera tinctoria) is one of the legume family which its flowers because of producing a blue color and having wound healing properties is widely used in traditional medicine and cosmetics industries. Due to reduction of water resources and agricultural lands salinization, evaluation of tolerance of this plant to drought and salinity stress conditions at germination stage was investi ...

POSTED TO: Environmental Stresses in Crop Sciences [2228-7604]

The application of micronutrients can improve the growth and yield of crops under stress conditions. In order to investigate the effect of micronutrient foliar application and irrigation regimes on black cumin, a field experiment carried out in Agricultural Research Center of Bojnord, Iran, in 2009. The experiment was conducted as split plots in a randomized complete block design with three re ...

POSTED TO: Environmental Stresses in Crop Sciences [2228-7604]