Ali Ebadi

University of Mohaghegh Ardabili | UMA · Department of Agronomy and Plant Breeding

Seed germination is a critical stage in the life cycle of plants and can be influenced by various environmental stresses. Salinity stress is known as one of the most important challenges of agricultural systems, which as a result of human activities and climate changes continuously affects agricultural production. To investigate the effect of salin...

Global climate change has increased salinity, challenging seed establishment, and agricultural production. To ensure food security, cultivating resilient plants like Sunn hemp (Crotalaria juncea) is crucial. We studied the impact of salinity on Sunn hemp germination at stress levels of 0, -0.4, -0.8, and -1.2 MPa using sodium chloride. Results indi...

Salinity is one of the limiting stresses on agricultural production. The high potential of Sunn hemp (Crotalaria juncea) as a tropical and semi-tropical plant and its scientific and industrial uses caused to investigation of its germination potential under saline conditions and improvement of it by titanium dioxide nanoparticles. An experiment was...

The degradation of soil as a substrate for the production of agricultural products has become a global concern. The preservation of soil quantity and quality has led to an increasing need for environmentally friendly methods. Cover crops have emerged as a promising strategy to improve soil health and quality. To investigate the effects of cover cro...

Introduction: One of the environmentally friendly weed control methods in cropping systems is using cover crops. Cover crops can reduce or control weeds through different mechanisms such as physical suppression (suffocation of weeds), ecological suppression (competition for limited resources of nutrients, water, and light), and chemical suppression...

1. Introduction: Spinach (Spinacia Oleracea L.) belongs to Chenopodiaceae and is one of the most important leafy vegetables in the world. Spinach is a valuable human food source because its leaves are rich in minerals, vitamins, antioxidants, and phenolic compounds. Weeds are one of the significant challenges for spinach production. They can lead t...

Oats (Avena sativa L.) possess allelopathic properties and can serve as effective cover crops to inhibit weed growth. This study aimed to investigate the effect of the aqueous extract and formulated extract of oats with chitosan nanoparticles on the germination of redroot pigweed (Amaranthus retroflexus) in the year 2021. The experiment was designe...

Introduction Drought is known as the most important factor limiting corn production in the world. Depending on the growth stage and severity of drought stress, it can decrease corn yield by 76%. In addition, the increase in drought stress can decrease the efficiency of elements such as nitrogen in this crop. Therefore, many ways have been studied t...

Allelopathy is one of the biocompatible methods to reduce the germination and establishment of weeds. To investigate the effect of sunn hemp (Crotalaria juncea) extract and oats (Avena sativa L.) on the germination of wild mustard (Sinapis arvensis), an experiment was conducted in 2022 at the Faculty of Agriculture and Natural Resources of the Univ...

In order to study the effect of different levels of temperature and drought stress on seed germination of buckwheat, a factorial experiment was conducted as a completely randomized design with three replications. Experimental treatments were included different levels of drought stress (0, -0.2, -0.4, -0.6 and -0.8 MPa) and different temperatures (8...

Sunn hemp (Crotalaria juncea) is an allelopathic cover crop used for the physical control of weeds. In order to investigate the effect of Sunn hemp formulated extract with chitosan nanoparticles on the germination of some weeds, an experiment was carried out in 2021 at the Faculty of Agriculture and Natural Resources of Mohaghegh Ardabili Universit...

Soil plays a pivotal role in agricultural production, and its significance in ensuring the production of wholesome agricultural products cannot be overstated. However, with the burgeoning global population and limited arable land, the utilization of chemical fertilizers, fossil fuels, and continuous tillage has become widespread in order to enhance...

Sustainable corn production requires a dramatic shift toward natural soil fertility rather than relying solely on synthetic fertilizers. Cover crops play an important role in improving the productivity of subsequent row crops through improving soil properties. The main goal of this study was to investigate if increasing cover crop biomass through a...

In the present study, in order to improve the growth performance of hairy vetch (Vicia villosa Roth., Local landrace from Ardabil, Iran) seedlings grown in the soil contaminated with heavy metals Pb and Zn, our attention was directed toward the application of biochar, inoculation with conidial suspension of Trichoderma harzianum Rifai—T22 and manag...

One of the most important agricultural wastes is the remains of crops and fodder left on the soil surface. Positive control of weeds by plant residues has been mentioned in many reviews. Experimental treatments include mixed cultivation of Sun hemp (Crotalaria juncea), Oats (Avena sativa), Daikon radish (Raphanus sativus var. Longipinnatus), Crimso...

Nowadays, high-quality standards in agricultural products are one of the most important demands of human health and using herbicides for weed control is conflict with this aim, so controlling weeds by other methods can help farmers to produce chemical free crop production. A factorial experiment was conducted based on a randomized complete block de...

Weeds are important biological constraints in agricultural systems. One of the management methods is the use of plants with a high ability to suppress weeds with allelopathic properties. In order to investigate the effect of aqueous extract on some weeds in the experimental mixed cropping system in the research farm 2019 and seed laboratory of the...

The development of methods increasing plant water use efficiency (WUE) would enhance the ability to grow wild aromatic and medicinally important species. The aim of this research was to determine the effect of plant growth regulators (PGRs) applied by spraying on stress resistance and WUE of fennel subjected to water stress. Plants in the generativ...

Steviol glycosides (SGs) are the important constituents of stevia. SGs biosynthesis is dependent on various nutrients. This study aimed to investigate the effects of nitrogen sources (Formula presented.), and NH4NO3 each 150% in modified Hoagland solution) and the plant growth regulators including 200 µM cytokinin (i.e., BAP), 200 µM auxin (i.e., N...

High quality standards in vegetables is one of the most important expectation of consumers presence of weeds would also reduce the quantity and quality of crops produced. Use of cover crops could be an environmentally friendly alternative to conventional chemical and mechanical methods. To this end for controlling weeds, a factorial experiment base...

All around the globe, drought is considered one of the critical threats putting agricultural industries at stake. With such impediments existing, challenges of feeding the population arise. This study evaluated and selected appropriate wheat cultivars with desirable traits. The objective was achievable by accurately assessing quality traits and res...

Objectives: This study was performed to investigate the expression analysis of genes involved in drought tolerance and the use of zinc oxide nanoparticles (ZnO NPs) to mitigate the undesirable effects of drought stress in wheat. Materials and methods: A factorial experiment based on completely randomized design (CRD) was performed with three rep...

Achieving food security and environmental sustainability is a huge global challenge. Thus, the use of conservation Agriculture systems seems necessary. We investigated the effects of nitrogen fertilizer and various densities of faba bean ( vicia faba L.) on forage corn ( Zea mays L.) production in the no-till system with faba bean residues preserva...

Introduction: Water deficit stress is one of the important factors affecting seed germination. This stress decrease germination rate and affects germination percentage under high levels as well. Seed priming improves germination by changing metabolic activities before radicle emergence. This investigation was conducted to evaluate the effect of see...

Background & Objective: Use of cover crops for controlling weeds is an environmental friendly alternative to conventional chemical and mechanical methods. Kohlrabi is a cool-season hardy crop which can be grown in early spring. The crop is well known in Europe and other regions as a health staple in human’s diets. The aim of the present study was t...

Continuous use of monoculture systems and excessive tillage has degraded agricultural soils in many regions of Iran. The short-term impact of cover crops on selected soil properties was investigated in a field study in 2018. The experiment was laid out as complete randomized block with three replications. The four experimental treatments included,...

Belowground interactions between plant roots, arbuscular mycorrhizal fungi (AMFs), and plant growth-promoting rhizobacteria (PGPR) can improve growth and yield under abiotic stress conditions. A pot factorial experiment based on completely randomized design with three replications was conducted to investigate the effects of AMFs (without inoculatio...

To investigate the effect of cover crops on soil physical properties, weed control and yield of white radish, a filed experiment was carried out using randomized complete block design with three replications in 2017 and 2018 in the research field of Mohaghegh Ardabili University, Ardabil, Iran. Experimental treatments included: cultivation of barle...

Introduction: Water deficit stress is one of the important factors affecting seed germination. This stress decrease germination rate and affects germination percentage under high levels as well. Seed priming improves germination by changing metabolic activities before radicle emergence. This investigation was conducted to evaluate the effect of see...

Background & Objective: Cover crops are one of the alternative methods to reduce chemical inputs to control weeds. The aim of this study was to investigate the ability of weed control by cover crops in monoculture and dual and triple intercropping as well as their effect on iceberg lettuce (Lactuca sativa var. Ice berg) yield. Methods & Materials:...

The objective of this project was to investigate if integrating cover crops into the lettuce (Lactuca sativa L.) production can control weeds and improve various components of soil health. A two-year field study was conducted at the research farm of the University of Mohaghegh Ardabili, Ardabil, Iran, during the 2017 and 2018 growing seasons. In th...

The experiment carried out as a factorial in a completely randomized block design with three replications. Factors included hormone salicylic acid in five levels (0, 10, 25, 50 and 100 ppm) and Jasmonic acid at three levels (0, 1 and 2 ppm). Results revealed that there is a significant interaction between the two hormones on the all traits except p...

In order to quantify the cardinal temperature and hydro time germination of Cuminum cyminum seeds, two experiments were conducted in complete randomized design with three replications in seed technology laboratory of Faculty of Agriculture and Natural Resource of University of Mohaghegh Ardabili in 2018. In the first experiment, treatments were inc...

Abstract Background and Objective: Drought stress is one of the most important environmental stress and a limiting factor for plants production in most parts of the world. The aim of study was to investigate to the role of mycorrhiza and growth promoting bacteria, Pseudomonas spp. symbiosis in increasing drought tolerance of Roselle (Hibiscus sabda...

The main objective of this 2-year study was to investigate the effects of nitrogen resources (nitrogen-free, NO3−, NH4+, and NH4NO3 each 150% in modified Hoagland solution) and plant growth regulators (PGR-free (6-Benzylaminopurine (BAP, 200 µM), 1-Naphthaleneacetic acid (NAA, 200 µM) and BAP + NAA each one 200 µM) on the absorption and transmissio...

Stevia is a herbaceous plant containing non-sugar sweeteners that could be regarded as a successor to sugar for diabetics. However, there are some problems with the cultivation of stevia, especially in the greenhouse, including unbranching and low sweetening agents. To overcome this issue, an experiment was designed to increase not only the branchi...

The steroid hormones including brassinosteroids, regulate plant growth under stress. It is hypothesized 24-epibrassinosteroids (24-EBR) can affect safflower (Carthamus tinctorius) biochemical properties, crop yield and oil content under drought stress. The objective of our study was to determine the response of three safflower genotypes (Goldasht,...

Background and objectives: Cover crops are a strategy for enhancing the soil health and quality in agricultural systems. The relationship between cover crops and soil biological activity is an important component of soil health. Cover crops affect many of the physical, chemical and biological properties of the soil through soil organic carbon. Addi...

Brassinosteroids may importantly affect safflower (Carthamus tinctorius L.) growth and quality under stress. The oil responses of three spring safflower genotypes (Goldasht, Faraman and Sina) affected by the exogenous application of 24- epibrassinolide (EBL, 0.1 μM) under drought stress (85 (I1), 65 (I2) and 45% (I3) of the field capacity) were inv...

In this study, the effect of brassinosteroids was evaluated on the physiological characteristics of Echinacea purpurea under drought stress in field conditions (West Azerbaijan Province in Iran) during two years. Drought stress imposed at three levels as irrigation after 70, 120 and 170 mm evaporation from class A pan and 24-epibrassinolide (EBL) b...

Salinity is one of the most serious environmental stresses at the irrigated areas that causes problems for the plants and soil. Kochia scoparia is an annual plant of the Chenopodiaceae family, which can be a valuable source of forage growth using saline water. Salinity changes many traits and processes, including the amount of chlorophyll a and b,...

The Role of Salicylic Acid in Improving the Photosynthetic System of Soybean (Glycin max L.) Genotypes under Drought Stress Nasrin Razmi1*, Ali Ebadi2, Jahanfar Daneeshian3 and Soodabe Jahanbakhsh2 Abstract To investigate the effect of salicylic acid on photosynthetic system and seed yield in soybean genotypes under drought stress a factorial...

Implementing strategies for the efficient use of irrigation water is a priority in areas that encounter water shortage. Fennel (Foeniculum vulgare Mill.) is an important medicinal plant grown in many semi-arid regions. A greenhouse study was conducted to investigate the influence of drought stress and the application of three plant growth regulator...

Allelopathy is a common biological phenomenon by which one organism produces biochemicals that influence the growth, survival, development, and reproduction of other organisms. These biochemicals are known as allelochemicals and have beneficial or detrimental effects on target organisms. Plant allelopathy is one of the modes of interaction between...

infestation. The overall results of this study showed that all of the studied traits were involved in resistance except in exceptional cases, increasing degree of resistance, increased the length of the incubation period and decreased the density of the stain per unit area, the diameter of the stain, the percentage of the infected leaves and the nu...

In recent years, in order to produce organic products and reduce environmental problems, organic and biological fertilizers are used to increase soil fertility, eliminate the nutritional needs and to improve of plants growth. In order to evaluate the effect of organic and biological fertilizers on qualitative and quantitative traits of saffron, a f...

Maintaining crop productivity under limited irrigation water requires some new strategies. This study investigated the influence of drought stress and the application of plant growth regulators (PGRs) including jasmonic acid, brassinosteroids, and putrescine on photosynthetic performance of fennel (Foeniculum vulgare Mill). The results indicated th...

Abstract In recent years, in order to produce organic products and reduce environmental problems, organic and biological fertilizers are used to increase soil fertility, eliminate the nutritional needs and to improve of plants growth. In order to evaluate the effect of organic and biological fertilizers on qualitative and quantitative traits of saf...

In order to study the effect of some cover crops on weed control of Lettuce, an experiment was conducted in a randomized complete block design with three replications at the research farm of Faculty of Agriculture and Natural Resources of University of Mohaghegh Ardebili in 2017. Treatments were four pure and mixed cropping of Barley (Hordeum vulga...

In order to investigate the role of mono and mixed cropping system on controlling of common weeds in Ardebil province, an experiment was conducted in a randomized complete block design with three replications at Research Station of Faculty of Agriculture and natural resources, University of Mohaghegh Ardabili in 2017. Experimental treatments includ...

In order to investigate the role of Rye (Secal cereal L.) and chickling pea (Lathyrus sativus L.) in weeds control of Ardebil province agriculture, an experiment was conducted based on randomized complete block design with four replications in Agricultural Research Station (38.246° N, 48.272° E) of University of Mohaghegh Ardebili, Ardabil, Iran in...

In order to study the effect of some cover crops on weed control of kohlrabi, an experiment was conducted in a randomized complete block design with three replications at the research farm of Faculty of Agriculture and Natural Resources of University of Mohaghegh Ardebili in 2017. Treatments were five pure and mixed cropping of rye, chickling pea (...

Cercospora leaf spot is one of the most important and common leaf diseases of sugar beet which causes several damages to this plant. This study was conducted as a factorial experiment in a completely randomized design under laboratory and greenhouse conditions. Treatments were included cercospara leaf spot disease in two-level (control and disease)...

Considering the importance of the herb borage and its growing use in traditional medicine and the pharmaceutical industry, the waste resulting from the indiscriminate exploitation of wild plants, the need to cultivate this plant is widely seen as commercially necessary. To overcome the negative effects of salinity, the use of calcium supplements to...

In order creation tolerant stimulate signal to drought stress in Peppermint, experimental for factorial in a randomized completely design by three repeat in was conducted researcher greenhouse Faculty Agriculture University of Mohaghegh Ardabili in 2015. Treatments include drought stress in three level (85, 55 and 35 percentage of field capacity) a...

In order to investigate the effects of some plant growth regulators on photosynthetic pigments and growth of fennel plants, a greenhouse experiment was conducted based on the randomized complete block design with three replicates in 2017. Treatments were the application of methyl jasmonate (25, 50, 100 and 200 μM), putrescine (0.25, 0.5, 1 and 2 mM...

In order to evaluate the effect of drought stress and salicylic acid on mineral content and some physiological traits of soybean genotypes (Glycine max L.) a greenhouse experiment was conducted as factorial based on completely randomized design with three replications in Mohaghegh Ardabil University in 2014. The first factor consisted of three leve...

تاثیر تنش کم آبی اري، براسینواستروئید و آسکوربیک اسید بر رنگیزه هاي فتوسنتزي و برخی از متابولیتهاي سازگاري گل همیشه بهار طی آزمایشی در مزرعه تحقیقاتی و آزمایشگاه دانشگاه محقق اردبیلی در سال 1393 بررسی گردید . آزمایش به صورت اسپلیت فاکتوریل در قالب طرح بلوك هاي کامل تصادفی د ر سه تکرار اجرا شد . تیمار تنش کمآبیاري در دو سطح ( 50 میلی متر تبخیر از تش...

In order to study the physiological and yield responses of sunflower inbred lines to full and limited irrigation, an experiment was conducted in the growing season of 2014–2015 in the research field of the Agricultural Research Station in Khoi, Iran. Water withholding was imposed in the flowering stages from R4 (initial flowering) to R6 (full flowe...

Water deficit is considered as a major limiting environmental factor for plant growth and yield. To ameliorate the adverse effects of water restriction, an experiment was conducted in the research field of Mohaghegh Ardabili University in two successive years (2014 and 2015). Foliar spraying of different concentration of epibrassinolide (EBL) (0, 1...

To study effect symbiosis of fungi and bacteria in resistance to water deficit stress in alfalfa an experiment in a factorial randomized complete block design has done with three replications 2010 in greenhouse of University of Mohaghegh Ardabil, Ardabil. Water deficit stress was applied at three levels of %35, %55 and %75 of field capacity. Treatm...

This study was performed to investigate the effect of water deficit stress on activitiys of some antioxidaive enzymes, photosynthetic pigments and forage yield of sorghum genotypes. This experiment was conducted to a factorial in a randomized complete completely design with three replicates in greenhouse of University of Mohaghegh Ardabili in 2013....

چکیده [English] To assess the physiological characteristics of wheat genotypes under water deficit conditions, a pot experiment was carried out as factorial based on completely randomized design with three replications in greenhouse and laboratory of Mohaghegh Ardabili in 2012. Treatments were consisted of water deficit in three levels (85%, 60% an...

Faba bean (Vicia faba L.) has been identified as a rich source of L-DOPA, which is used in treating Parkinson's disease. Biosynthesis and accumulation of active substances such as L-DOPA in plant tissues may interact with growing conditions and processing methods. Accumulation trends of L-DOPA in various faba bean organs and the effect of drought s...

Background and objectives: Safflower is cultivated for a long time in the past. This plant tolerates drought and salinity stress. Water limitation restricted the crop production in many parts of the world, especially in arid and semi-arid regions. The aim of this study was to select proper varieties of safflower in water limited conditions of cold...

Effect symbiosis of fungi and bacteria in resistance to water deficit stress in alfalfa studied in a factorial experiment in a randomized complete block design with three replications 2010 in greenhouse of University of Mohaghegh Ardabil, Ardabil. Water deficit stress was applied at three levels of %35, %55 and %75 of field capacity. Treatments of...

چکیده 1 سابقه و هدف: گلرنگ سابقه طولانی کشت و کار در جهان دارد و به عنوان یک گیاه مقاوم به تنش شوري و خشکی مطرح است. تنش کمآبی یکی از مشکلات تولید فراوردههاي کشاورزي در بسیاري از نقاط دنیا به ویژه مناطق خشک و نیمه خشک است. هدف ازاین مطالعه بررسی اثر تنش کمآبی بر برخی خصوصیات فیزیولوژیک گلرنگ بهاره و انتخاب نوع مناسب از گلرنگ به شرایط دیم در مناطق س...

Background and objectives: Safflower is cultivated for a long time in the past. This plant is tolerant to drought and salinity stress. Water limitationrestrictsthe crop production inmanyparts of the world, especially in arid andsemi-arid regions.The aim of this study was selection proper varietie of safflower to drought conditionsin cold regions an...

To evaluate the effects of water deficit stress and growth regulator (Brassinosteroid) on some physiological characteristics cultivars of safflower, an split plot factorial experiment based on randomize complete block design with 3 replications was conducted at the Research Farm of Faculty of Agriculture, Mohaghegh Ardabili University in 2014. Wate...

Salicylic acid (SA) plays an important role in the regulation of plant growth and development in response to water deficit. The effect of SA (0, 0.4 and 0.8 mM) on some physiological parameters of three soybean genotypes was investigated in three irrigation schedules included (85%, 65% and 45% of field capacity) during 2014–2015. Results showed tha...

چکیده1 سابقه و هدف:گلرنگ سابقه طولانی کشت و کار در جهان دارد و به عنوان یک گیاه مقاوم به تنش شوري و خشکی مطرح است. از آنجا که دانه گلرنگ جزء دانههاي روغنی سالم و مرغوب میباشد؛ بنابراین گلرنگ براي این پژوهش انتخاب گردید. و به خاطر این که تاکنون در اردبیل، گلرنگ به عنوان یک گیاه دانه روغنی مفید در سطح زراعی وسیع کشت نشده است، تصمیم گرفتیم با اندازه گ...

In order to evaluate the effect of different concentrations of salicylic acid on some physiological traits of soybean genotypes (Glycine max L.) a greenhouse experiment was conducted as factorial based on completely randomized design with three replications. The first factor consisted of three levels of water deficit (85%, 65% and 45% field apacity...

سیستمهاي مقاومتی گیاهان از جمله گندم در مقابل تنشها توسط روشهاي متعددي از جمله مواد شیمیایی مانند نانوکلات پتاسیم تحریک میگردد. بهمنظور بررسی پروفیل پروتئینی گندم تحت تنش خشکی، آزمایشی به صورت فاکتوریل در قالب طرح کاملاً تصادفی با 3 تکرار انجام گرفت. فاکتور اول شامل 60 و 35 درصد ظرفیت زراعی) و فاکتور دوم سه رقم گندم (زاگرس، چمران ، تنش خشکی در سه س...