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Journal Article

Genetic investigation of drought resistance in bread wheat using graphical methods: GGE bi-plot and AMMI model

Mostafavi, Khodadad , Assistant Professor, Faculty of Agriculture, Islamic Azad University, Karaj Branch et al. [2010-03-06]

To study the genetics of drought tolerance in bread wheat, the bi-plot of diallel data was used. Parents (Alvand, Bezostaya, Navid, Roushan, Gaspard, Sardary and Shahriar) and their crosses (without reciprocal crosses) were studied in 2007 using a Randomized Complete Block (RCB) design with three replications under normal and stress conditions. Analysis of variances indicated significant diffe ...

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

Journal Article

Effect of symbiosis with mycorrhiza fungi on some physiological characteristics of basil (Osimum basilicum) under drought stress

Aslani, Zahra , Former M.Sc. Student of Horticulture, Faculty of Agriculture, Urmia University, Urmia et al. [2010-02-20]

In order to study the effect of arbuscular mycorrhizal fungi (AMF) under drought stress on some physiological characteristics (leaf temperature, chlorophyll index, compatible solute accumulation) of basil (Osmium basilicum L.), a pot experiment was conducted as a factorial trial based on randomized complete block design with four replications. Treatments included application of two mycorrhizal ...

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

To study the effect of salinity on seed yield and yield components, morphological characteristics and leaf chlorophyll content of sesame, a factorial experiment based on completely randomized design with three replications was conducted at research greenhouse of the Faculty of Agriculture, Ferdowsi University of Mashhad. Treatments comprised five salinity levels (2.4, 4.4, 6.4, 8.4 and 10.4 dS ...

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

In a field experiment, the growth responses of 7 winter rapeseed varieties to three levels of salinity induced by 1.9, 7 and 12 dSm-1 were investigated using a split plot experiment based on a randomized complete block design with three replications. Salinity was the main plot and varieties were sub plots. The tolerant cultivar(s) was introduced after data analysis based on seed yield and yiel ...

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

Seed position on mother plant can affect seed size, color and its germination in several plant species. In order to study the effect of seed position in spike on salinity resistance of barley, a factorial experiment based on RCBD was conducted with two factors including seed position (top, middle and bottom of the spike) and salinity (0, 10, 20, 40, 80, 160, 320 and 640 mM NaCl). Results showe ...

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

In order to study the relationship between dry leaf yield and some important characteristics of tobacco under drought stress and optimal conditions, 15 hybrid of tobacco, including 10 Iranian hybrids and 5 introduced hybrids from other countries were evaluated in two separate experiments (drought stress and normal) in a randomized complete block design with three replications, at the Research ...

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

To study the long-term effect of chilling and freezing on most important grape cultivars in north of Khorasan, two analytical experiments were carried out during 2008. In the first experiment, as Kolahdari and Kaje-Angoor were the most important and qualitative cultivars in the region for processing, fresh consuming and export, effect of natural frost on one- year, two- year and perennial bran ...

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

Journal Article

Effect of Drought Stress and Methanol on Amount of Protein and Grain Oil, Rate and Period of Filling on Soybean (L17)

Mirakhori, Mojtaba , M.Sc. student of Islamic Azad University, and member of young researcher club et al. [2010-03-20]

In order to evaluate effects of and methanol application on grain yield, oil and protein contents, rate and length of grain filling process of soybean under drought stress, a factorial experiment was done at Research Field of Faculty of Agriculture and Natural Resources, Islamic Azad University-Karaj Branch, Karaj, Iran, during 2008, based on a randomized complete block design with three repli ...

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

Journal Article

Quality assessment of the Sabz-Kooh River in Charmahal Province, using benthic macroinvertebrates biotic indices

Ghane, Ahmad , Benthos Expert in Ecology. Department of the Inland Water Aquaculture Center Anzali et al. [2010-03-20]

The aim of this research was to investigate changes in communities and the indicator groups of benthic macroinvertebrates as well as classification of water quality of Sabz-kuh River, Charmahal province, which had been impacted by a few rainbow trout farm effluents in the studied area. The study was carried out from the start of the 2005 cultivation period in July and took one year. Along a 35 ...

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

Journal Article

Variations in physiological indices of bread wheat flag leaf in response to drought stress

Golabadi, Maryam , Assistant Prof., Dept. of Agronomy and Plant Breeding, Islamic Azad University, Khorasgan Branch et al. [2014-09-06]

Drought stress as the most important abiotic stress has an important role in reducing crop production in arid and semi-arid regions of the world. The physiological traits related to drought stress are of utmost importance in this regard. In order to evaluate the effect of drought stress on physiological indices of bread wheat flag leaf, a split plot experiment was conducted based on randomized ...

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