Mohsen Movahhedi-Dehnavi

Yasouj University | YU · Department of Agronomy and Plant Breeding

Selenium foliar application may have an essential role in improving the biochemical and physiological responses of dryland canola (Brassica napus) to water shortage. This experiment was designed to investigate the effects of selenium (Se) and supplemental irrigation (Irri) on physiological and biochemical changes in canola at sub-tropical dryland c...

In order to investigate the effect of chemical and biological nitrogen fertilizer on canola, a field experiment was conducted as a split plot based on a randomized complete block design with three replications at the research station of the Faculty of Agriculture, Yasouj University, located in Deshtrum region, in 2019. The main factor consisted of...

As the global demand for medicinal plants increases and the forthcoming climate change reveals itself, understanding the morpho-physiological behaviors of borage plants under salinity and drought stress can be significant. However, accurate comparison of these behaviors at different salinity and drought stress conditions requires a new approach to...

The effects of silicon on reducing the damages caused by drought and salinity stresses have been investigated in certain plants. However, little information is available regarding black cumin (Nigella sativa L.) responses. The present pot experiment was conducted to investigate the role of silicon in the nutrient content and biochemical traits of b...

Germination and seedling establishment are sensitive and important stages in the life cycle of plants that are affected by abiotic stresses, especially drought and salinity stresses. This study was conducted to investigate the effects of osmotic potential (due to sodium chloride and polyethylene glycol) on germination and biochemical indices of Sal...

Saffron is propagated exclusively by corm because of sterility. Therefore, choosing the suitable corm for cultivation is one of the important factors in saffron production and the final yield depends on the size of the corm. The research was conducted to investigate the effects of benzyl aminopurine hormone priming, application of bio-fertilizers a...

Purple coneflower (Echinaceae purpurea (L.) Munch) root is a rich source of phenolic components used in pharmaceutical industries and the content of phenolic components depends on many factors such as drought stress and nitrogen (N) nutrition. This experiment was conducted in Lordegan, Iran, from 2014 to 2016, to investigate the effect of N and nit...

can also interfere in the mycorrhizal symbiosis. There is no detailed information available on the effect of methyl jasmonate (MeJ) on the physiology of barley; investigating the effect of this phytohormone on the relationships between fungus and plant, the combined effect of application of these two factors on the growth and physiology of the plan...

One of the challenges to improve sweet corn [ Zea mays var. Saccharata (Sturtev.) L. H. Bailey] production is finding a way to increase crop establishment and decrease weed infestation. Crop establishment and weed control are of prime importance in sweet corn production. Three methods of seedbed preparation including pre-planting irrigation before...

Drought is believed to be one of the most important abiotic stresses, which drastically affects wheat production worldwide. Jasmonates, as plant growth regulators, could modify the effects of environmental stresses. Therefore, we conducted the present study to investigate the physiological responses of wheat cultivars to exogenous methyl jasmonate...

Iran, is classified as arid and semi-arid regions of the world. Therefore, it is important to identify and planting of drought tolerant plants such as quinoa (Chenopodium quinoa Willd.). Zinc is involved in vital processes of the plant therefore; the supply of this element to the plant has a major impact on the quantity and quality of production. T...

Aloe vera (Aloe barbadensis Miller) is a perennial drought tolerant medicinal species. This research study investigates the influence of biofertilizers on mycorrhizal fungi colonization, leaf number and width, plant height, offset number, leaf relative elongation rate (RER), leaf dry weight and leaf gel weight, water productivity (WP) for the gel,...

To investigate physiological responses of black cumin to calcium silicate under salinity and drought stress condition with iso-osmotic potentials, a factorial experiment carried out based on the completely randomized design with three replications in research greenhouse of Faculty of Agriculture, Yasouj University, Iran in 2018. The first factor co...

Saffron is one of the most important crops and medicinal plants in Iran. The research was accomplished in order to investigate the effects of Benzyl aminopurine hormone treatment, application of bio-fertilizers (Phosphate Barvar2 and mycorrhiza) and maternal corm weight on the quantitative indices of saffron cormlets and flowers yield as a factoria...

Mycorrhiza fungi can use as an efficient resource to increase the efficiency of potato nutrients use, especially phosphorus (P) and nitrogen (N) to achieve sustainable production and protecting the environment and human health. This experiment conducted to study the interaction of P levels and mycorrhiza fungi on absorption of elements and qualitat...

The global viewpoint toward crop production is to increase the quantitative and qualitative yield of medicinal plants through management techniques such as the use of bio-fertilizers and the reduction of chemical fertilizers consumption. Improving the growth and phenolic compounds in E. purpurea root by combining the phosphorous fertilizer with bio...

Due to the low quality of water resources in arid and semi-arid regions of the world, selection and management of forage plants suitable for saline condition is of great importance. Intercropping systems with halophyte plants not only improve production efficiency but also reduce soil salinity. In this study, the effects of different levels of irri...

Melatonin (N-acetyl-5- methoxytryptamine) as a plant growth regulator, natural compound that is in a large variety of plant species in roots, leaves, fruits and seeds have been identified. In order to investigate the effect of melatonin on some physiological characteristics of chickpea seed and seedling (Arman cultivar) under salinity stress, a fac...

Drought stress on maternal plant can negatively affect germination characteristics of produced seeds, and micronutrients application in this circumstance may mitigate drought impacts and leads to seeds with higher vigor. This research was conducted as two experiments in 2015 in seed laboratory of Yasouj University. At first experiment the seeds obt...

Determining the timing of supplementary irrigation in water limited conditions is one approach to reducing drought damage, increasing water productivity, and improving the yield of dryland canola. Selenium spraying may be an appropriate strategy for increasing crop tolerance to drought stress. The aim of this research was to evaluate supplementary...

The objective of this study was to investigate the physiological responses and biological yield of black cumin (Nigella sativa L.) to nitroxin biofertilizer and chemical nitrogen fertilizer in the form of urea under different irrigation regimes. A split plot experiment was conducted on the basis of randomized complete block design with three replic...

Plants need suitable amounts of micronutrients for optimal growth under stress conditions and this increases plant resistance to stress conditions such as salinity. In order to investigate the reaction of flax to iron application under salt stress conditions, a pot experiment was conducted as a factorial based on a completely randomized design with...

Aloe vera (Aloe barbadensis Miller) is one of the most important medicinal plants with high resistance to drought, whose tolerability can be promoted using biofertilizers. The purpose of this study was to determine the influence of biofertilizers on some physiological traits and leaf fresh weight of Aloe vera under different irrigation regimes. The...

Biofertilizers are an important source for completing the plant nutrition program, which has a significant effect on reducing the cost and adverse effects of chemical fertilizers and increasing plant resistance to environmental stresses. The aim of this study was to investigate the effect of Nitroxine and nitrogen biofertilizer on grain yield, nitr...

Reduction in germination and growth can be seen in seeds obtained from mother plants which have experienced water stress. From the other point of view utilization of biological fertilizers under environmental stress, the condition can produce seeds with higher germination capacity. This research was conducted as split plot based on a randomized com...

Drought stress due to its stage of occurrence is one of the factors affecting wheat yield, and jasmonates are plant growth regulators that play an important role in increasing the resistance of plants to environmental stresses such as drought stress. Therefore, in order to study the effect of spraying different concentrations of methyl jasmonate on...

In order to investigate the effect of different levels of ascorbic acid and salicylic acid on physiological characteristics of safflower (Sofeh cv.) under salinity stress, a pot experiment was conducted in research greenhouse of agronomy and plant breeding department of Yasouj university in 2012. This experiment was carried out as a factorial in ba...

Biological yield and physiological indices of Echinacea purpurea were investigated in a split plot field experiment and a randomized complete block design with three replicates and two harvests in 2016 and 2017. The main factor consisted of three irrigation regimes (irrigation after 25, 50 and 75% of available water depletion) and a sub-factor cons...

Water is considered as one of the limited and important resources for agricultural production in arid and semiarid regions such as Iran. Coneflower has been introduced to Iran in the recent decades. In Iran, coneflower is cultivated in dried and semi-dried regions and used as a medicinal plant in the pharmaceutical industry and as a decorative plan...

The excessive use of chemical fertilizers has caused many environmental problems and threatens the health of the human communities at the global level. However, the use of some beneficial soil microorganisms in addition to supplying nutrients to plants helps protect the environment. In order to achieve this goal, the effects of different irrigation...

Salicylic acid can mitigate the impacts of salinity and drought stresses in crops. To study the effects of salicylic acid under iso-osmotic drought and salt stresses on nutrients absorption and growth of linseed (Linum usitatissimum L.), an experiment was conducted based on a completely randomized design with three replications in Yasouj University...

Echinacea purpurea (L.) is one of the most important medicinal plants in the world showing different biochemical reactions as affected by drought stress and nitrogen fertilizer. The purpose of this study was to determine the effect of nitrogen on soluble protein, enzyme activities, carotenoids metabolism, greenness and biological yield of the Echin...

The seeds of oilseed plants are susceptible to deterioration and the seed power in oilseed plants decreases faster over the time. In order to evaluate the effect of salicylic acid and seed aging on germination characteristics and biochemical changes of Carthamus tinctorius L. cv. Soffeh seeds,an experiment was conducted as a factorial base on compl...

Introduction Contamination of soils with heavy metals is often resulted from human activities and phytoremediation is an effective and economic strategy to remove toxic metals from soils. Heavy metals are significant environmental pollutants, and their toxicity is a problem of increasing significance for ecological, evolutionary, nutritional and en...

Background and objectives: Lack of water is one of the main factors in the reduction of agricultural production at arid and semi-arid regions of the world. Nitrogen is one of the most important nutrients and key factor in achievement to favorable yield in crops. Organic sourceses in combined with chemical fertilizer can lead to soil fertility and i...

Background and Objectives The impact of toxicity of heavy metals such as cadmium in living organisms is a major global concern. Plant kingdom also is not exempted from the adverse effects to exposure of heavy metals. This study was conducted in order to investigate the effect of different priming on seed germination indices of sorghum under Cadmium...

In order to compare the physiological responses of linseed (Linum usitatissimum L.) in drought and salinity stress conditions and salicylic acid foliar application, a greenhouse experiment was conducted based on completly randomized design with three replications in Yasouj university in 2015. Treatments including different levels of salinity and dr...

This experiment was conducted to evaluate the physiological traits and essential oil yield of fennel affected by mycorrhizal fungal under different irrigation regimes. Field experiments were conducted at the Faculty of Agriculture, Yasouj University, Iran during the 2011 and 2012 years. The experiments were conducted using a randomized complete-blo...

Introduction In recent years, soil pollution with heavy metals such as cadmium had a progressive trend and causes serious problem in production of crops in polluted zones. Heavy metals released from stationary and mobile origins can be transported in water, air and soil and can be even absorbed by plants, animals and human bodies. Trace elements ar...

Micronutrients play a great role in the production of high quality seeds, especially in terms of germination. Therefore, providing seeds with sufficient amounts of these is an important consideration in seed production. The present study was conducted as two separate experiments in the Seed Laboratory of Yasouj University in 2015. In the first expe...

Quantitative relationships between seed moisture content and temperature and longevity enable better prediction of the storage life of seeds for agriculture or conservation. The objective of this investigation was to quantify the relationships and to determine seed viability constants for two genotypes (‘Norman’ and ‘Urmia’) of Linum usitatissimum....

Drought and salinity are two major abiotic stresses, similarly and/or differently affecting physiological processes of wheat. The aim of this study was to evaluate and compare the impacts of drought and salinity on wheat. A pot experiment was conducted as completely randomized design with three replications in the research greenhouse of Yasouj Univ...

Micronutrient deficiency is characteristic of drought stress conditions and the remedy lies in the administration of nutrients with boron and zinc supplements for the crops to tolerate and survive drought conditions. This study evaluated the effects of zinc and boron foliar application on the physiological traits of sesame under different irrigatio...

To study the effects of both drought stress and seed zinc and iron concentrations on the photosynthesis, chlorophyll fluorescence, and proline and carbohydrate accumulations in soybean (Glycine max (L.) Merr. cv. M9) leaf, a split plot experiment was carried out in 2012 based on a randomized complete block design with three replications in greenhou...

The influence of colonization of fennel (Foeniculum vulgare Mill.) roots by two different species of arbuscular mycorrhizal (AM) fungi (Glomus mosseae and Glomus intraradices) and different irrigation treatments (well-watered, moderate water deficit stress, severe water deficit stress and very severe water deficit stress) were examined on growth, o...

Heavy metals are the most important pollutants in the environment. One approach to reduce the accumulation of heavy metals in plants is usage of different growing substrates. In order to investigate of heavy metals effect on growth and yield components of pinto bean (cv. Sadri), a greenhouse experiment was conducted as a factorial based on complete...

In order to investigate the effects of foliar application of salicylic and ascorbic acids on some physiological characteristics of soybean (Glycine max L. cv. Williams) under salinity stress, a factorial pot experiment was conducted based on completely randomized design with four replications in the summer 2012 in the Yasouj University. Factors wer...

In order to evaluate the foliar application of zinc sulfate and salicylic acid effects on morphology and yield of safflower Carthamus tinctorius L. ( cv. sofeh) under drought stress in Yasouj, a factorial experiment based on a randomized complete block design with four replications was conducted Yasouj University in 2012. The factors consist of thr...

In order to study the effect of priming types on germination of Nigella sativa under osmotic stress, a factorial experiment was conducted in completely randomized design with three replications in Seed Technology Laboratory of Yasouj University. The main factors of the experiment included six priming levels (2 osmopriming levels with potassium nitr...

In order to study the interaction of irrigation and micronutrient on yield, qualitative characteristics and some physiological traits of red bean (Akhtar variety), a split plot experiment was carried out in a randomized complete block design with three replications in 2011. Treatments consisted of three levels of irrigation (irrigation after 50, 75...

The objective of this study was to determine the effect of nitrogen (N) application source and rate on silage corn (Zea mays L.). Urea, ammonium nitrate, and ammonium sulfate were compared at 50, 100, 150, and 200 kg N ha−1. The application of ammonium sulfate produced the highest plant height, leaf area index (LAI), total yield, and stem, leaf, an...

Increasing nitrogen application and plant density simultaneously causes increasing vegetative growth and reducing harvest index. The objective of this study was to evaluate the effect of cycocel at high nitrogen and plant density on safflower seed yield and yield components. For this purpose a field experiment was carried out as a factorial-split p...

To comparison the photosynthetic parameters and leaf chlorophyll content and fluorescence of safflower (Carthamus tinctorios L.) cultivars under salinity stress, a pot experiment was carried out as factorial arrangement based on completely randomized design with three replications in University of Yasouj in summer 2011. The first factor included fo...

In order to study the effect of planting date on phonological stages and quantity traits of four cultivars of winter rapeseed, an experiment was carried out in 2008-2009 at the research field of Agriculture Research Station of Boyerahmad. The experiment was carried out in using factorial with randomized complete block design and four replications....

In order to study the physiological and morphological characteristics of canola cultivars at different planting dates, an experiment was carried out in 2008-2009 at the Agriculture Research Station of Yasouj. A factorial with Randomized Complete Block Design with four replications was conducted. Four planting dates (September 12, September 22, Octo...

Determination of the response of different crop varieties to environmental variables from planting to harvest is one of the fundamental pillars of agriculture planning to achieve maximum yield and desirable quality. Changing planting date by effect on vegetative and reproductive growth period and balance between them, will affect yield and product...

To determine the critical period of weed control in safflower (Carthamus tinctorius L.), a field study was conducted in the Agriculture Research Station of Yasouj, during 2008-2009. The experiment carried out in a Randomized Complete Block Design (RBCD) with 16 treatments and four replications. Treatments consisted of two series of treatments. The...

Experiment was conducted in 2001 –2002 and 2002 –2003 crop years in Esfahan, Iran. The experimental design was the split factorial in a randomized complete block with three replications. Four drought stresses (S1= full irrigation, S2= withholding irrigation in vegetative growth stage, S3= withholding irrigation in flowering stage, and S4= withholdi...