Fatemeh Ahmadnia

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University of Mohaghegh Ardabili | UMA · Department of Plant Production and Genetics

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...

The Redroot pigweed is a significant weed in agricultural crops, as its seeds can remain in the soil and form a seed bank. An experiment was conducted to study the break seed dormancy of the Redroot pigweed. The experiment was conducted as a completely randomized design with three replications in the seed laboratory of the Faculty of Agriculture an...

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...

In order to investigate the effect of pure Russian knapweed extract formulated with chitosan on the germination of pigweed (Amaranthus retroflexus), an experiment was conducted in 2016 in a factorial format based on a completely randomized design with three replications. The experimental treatments included the first factor of pure extract Russian...

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...

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...

By identifying the factors that initiate seed dormancy release, we can reliably predict whether a seed will remain dormant within or exit the seed bank and become a seedling. With regard to annual weed species, assessing which factors efficiently break seed dormancy is critical for estimating the number of weed seeds that will develop into problema...

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...

In order to investigate the germination of Rye weed (Secale cereale L.) under the influence of Russian knapweed (Acroptilon repens L.) aqueous and formulated extracts with chitosan, an experiment was conducted as a factorial based on a completely randomized design with three replications in the Agricultural and Natural Resources Faculty laboratory...

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...

Weeds are a significant issue in agricultural production, and their control often relies on the use of chemical inputs, which can have adverse environmental effects. To reduce the use of chemical inputs, targeted use of natural resources, such as biological herbicides, is a promising approach. Many studies have focused on identifying, isolating, an...

Salinity stress poses a significant challenge to agricultural production in Iran. To overcome this, numerous methods have been suggested to enhance plant tolerance to salinity stress and improve agricultural yield. Nanotechnology has emerged as a promising approach in agriculture. In particular, titanium nanoparticles have been extensively studied...

A simplified Convolutional Neural Network (CNN) model for strawberry disease classification is proposed in this paper. The model is trained and evaluated on a dataset of 2500 strawberry images with seven different types of diseases. The results show that the model can achieve an accuracy of 0.98 on the training and 0.97 on the validation sets. The...

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...

The current research was designed and implemented as a pot experiment in the greenhouse and laboratory complex of Mohaghegh Ardabili University in 2020 and 2021. To evaluate the effects of modified peanut pod biochar on some morphological and biochemical traits of sainfoin seedlings grown in soil containing heavy metals, a pot experiment was conduc...

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...

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...

To investigate the effect of some cover crops incontroling weed, two experiments were conducted during the fall of 2018 at Namin in Ardabil province both with three replications.The first experiment was conducted in a randomized complete block design using four speacies of winter cover crops consisting of Rye (Secale cereal L.), Hairy vetch (Vicia...

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,...

An important step in weeds control are to identify the ecophysiological characteristics of the seeds of these plants. In order to investigate different methods of dormancy breaking of wild mustard seed (Sinapis arvensis L.) an experiment was conducted on a completely randomized design with three replications in 2019 in the Faculty of Agriculture an...

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...

To investigate the effect of winter cover crops on plant density, biomass of weeds and potato yield an experiment based on complete randomized block design with three replications was performed at Yingjeh Mullah Mohammad Reza village in Namin, Ardabil, Iran, in 2018. Treatments were rye (Secale cereal L.), hairy vetch (Vicia villosa Roth), chicklin...

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:...

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...

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...

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 (...

In order to investigate the effect of sunn hemp (Crotalaria juncea) and buckwheat (Fagopyrum esculentum) cover crops on biomass production and weed control, an experiment was conducted base on randomized complete block design with three replications at Agricultural Research Station (38.246° N, 48.272° E) of University of Mohaghegh Ardabili, Ardabi,...

In order to investigate the effect of Sunn hemp (Crotalaria juncea) and barley (Hordeum vulgare) cover crops as mono and mixed cropping on biomass and weed control, an experiment was executed as a randomized complete block design with three replications in research station (38.246° N, 48.272° E) of University of Mohaghegh Ardebili, Ardabil, Iran in...