Seied Mehdi Miri

Islamic Azad University, Karaj · Department of Horticultural Science

In maize breeding, enhancing yield through genetic insights is crucial yet challenged by the complex interplay of agronomic traits. This study utilized a diallel mating design involving nine advanced early maize lines to dissect the genetic architecture underlying key agronomic traits and their impact on yield. Over two consecutive years (2018-2019...

Artemisia L. is interesting in cytogenetic research due to having a variety of chromosome numbers and ploidy levels. In this research, the karyomorphological characteristics of nine accessions of French and Russian tarragon (A. dracunculus L.) collected from different locations in Iran were analyzed for the first time. The basic chromosome number w...

The present study was conducted to investigate the efficacy of foliar application of different sources of selenium on the morphological, physiological, biochemical and secondary metabolites of essential oil of sage (Salvia officinalis L.) in a complete randomized block design. The sage plants were exposed to different concentrations of sodium selen...

Keywords essential oil seed garden cress population gas chromatography-mass spectrometer medicinal plants monoterpene secondary metabolites The genus Lepidium from the family Brassicaceae has 16 species in Iran, and the most famous species is garden cress (L. sativum), which is used as a vegetable or medicinal plant. The purpose of this study is to...

Aim and Background: The genus Lepidium L. is one of the three large genera of the Brassicaceae family, which are used as vegetables or medicinal plants. Knowing the relationships and genetic diversity of Lepidium L. species by molecular markers is an ideal approach to improve and conserve of their germplasm. Material and methods: The genetic divers...

Gazania (Gazania rigens L.) is one of the ornamental plants of the green space, which can be improved its vegetative and reproductive characteristics by the use of growth stimulants. The present research was conducted to investigate the effect of gibberellic acid (0, 0.1, 0.5 and 1 mM) and citric acid (0, 2.5, 5 and 7.5 mM) on growth and flowering...

The present research investigated the effect of citric acid and fulvic acid on the morphophysiological and phytochemical characteristics of lemon balm (Melissa officinalis L.). The experiment was designed as a factorial experiment in randomized complete block design, and lemon balm plants were sprayed twice with citric acid (0, 50, 1000 and 2000 mg...

Tomatillo (Physalis philadelphica Lam.) has been interested for its medicinal bioactive compounds, which can be promoted using biostimulants. This study was conducted to evaluate the foliar application of arginine (0, 300, 600, and 900 μM) and folic acid (0, 100, and 200 μM) on the metabolites content and antioxidant activity of tomatillo fruits. R...

This study aims to investigate (i) the genetic characteristics of nine maize inbred lines for the three traits namely grain moisture percent (GMP) at harvest time, days to physiological maturity (DPM), and grain yield (GY), (ii) the selection of superior hybrids based on the simultaneous selection of traits, and (iii) the ability of inbred lines to...

Apricot is one of the most economical temperate fruit trees in Iran, but due to late spring frosts and self-incompatibility, it usually has a low yield. Therefore, apricot breeding is very important to produce late-blooming and self-compatible genotypes to increase yield and eliminate the need for pollinizers. In this study, phenological characteri...

Background & Aim: Garden cress (Lepidium sativum L.) is anannual herbaceous species native to Egypt and south west Asia. The leaves of L. sativum possesse various medicinal properties. This study was conducted to evaluate the diversity of phytochemical constituents of seven populations of L. Sativum from Iran. Experimental: The crude extracts of L....

Apricot is an important stone fruit species with different cultivars cultivated worldwide. Therefore, breeding programs are necessary for developing new varieties with various fruit quality and sensory traits. The present study evaluated morphological and fruit-quality attributes of thirty-seven apricot genotypes selected from several Iranian and I...

Self-incompatibility and late spring frosts are the most important limiting factors in Asian apricot (Prunus armeniaca L.) production. Therefore, it is important to develop late-blooming and self-compatible genotypes in apricot breeding programs in order to increase yield, and in some cases to eliminate the need for pollinizers. This study was carr...

The use of vermicompost tea is of great benefit to sustainable agriculture. The current study was conducted to evaluate the effect of vermicompost tea solution on growth, yield and fruit quantity and quality characteristics of strawberry (Fragaria ×ananassa 'Gaviota') in the soilless culture system. Experimental treatments consisted of Hoagland sol...

Pollen quality is important for fruit tree growers and genetic breeders. This study was carried out to determine pollen viability and in vitro pollen germination in seven cultivars/genotypes of Prunus spp. Pollen viability was evaluated by IKI (iodine potassium iodide) method. Pollen germination was studied using in vitro media containing 50, 100,...

A quick, simple and efficient method for the extraction of DNA from fresh and freeze-dried leaves of Prunus hybrids (P. armeniaca × P. salicina and P. cerasifera × P. armeniaca) has been developed. This method is based on modified CTAB (cetyl trimethylammonium bromide) extraction procedure. The results showed that although in all three methods, the...

The genus Physalis, belongs to Solanaceae family, comprises approximately 100 species mainly from tropical America. Of these, only a few species with high nutritional and pharmacological values including: P. peruviana L., P. philadelphica Lam. (P. ixocarpa Brot. ex Horm.), P. angulata L., P. pubescens L., and P. alkekengi L. have garnered more atte...

In this study, genetic diversity and relationships between 22 accessions of Lepidium sativum, L. draba and L. latifolium in Iran were evaluated using SSR, ISSR and SCoT molecular markers as well as secondary metabolites of 7 accessions of L. sativum. The average polymorphism information content (PIC), marker index (MI) and effective multiplex ratio...

The morpho-phytochemical responses of purple coneflower (Echinacea purpurea (L.) Moench) to foliar application of salicylic acid (SA) and citric acid (CA) at 0, 1, 5 and 10 mM (at four-leaf stage and two weeks later) were determined in a field experiment. Results indicated that elevated levels of SA and CA induced plant growth and biomass, includin...

Lepidium spp. (Brassicaceae) are herbaceous plants grown worldwide and considered as vegetable, phytofood or medicinal plants. The genetic variation and genetic structure of 22 Lepidium (L.) accessions representing 3 species (L. sativum, L. draba and L. latifolium) from Iran were assessed using 14 Start Codon Targeted (SCoT) markers. A high polymor...

Iran has a significant genetic diversity of species and hybrids of the genus Prunus spp. In this study, phenology and 54 morphological characteristics of the tree and fruit of three hybrids of plum-apricot named Bavanat (P. salicina × P. armeniaca), Shiraz and Shahriar (P. armeniaca × P. cerasifera) belonging to the collection of the Research Insti...

The occurrence of inter-specific hybrids between two species in nature has the potential ability to develop new fruit trees with desirable traits. In this study, flower morphology, viability, and in vitro germination of pollen grains and self-(in) compatibility, using fruit set (%) and fluorescence microscopy methods were examined in three promisin...

Somatic chromosome numbers and karyotypes of five populations of Nerium oleander in Iran were determined. karyological studies showed that, all the studied populations were diploid (2n = 2x = 22). The present study is the first report of the karyotype characteristics of N. oleander. The highest values of mean chromosome length (1.45 µm) and haploid...

Purpose: This study was undertaken to investigate the effects of pruning and girdling on yield, fruit size and quality of ‘Kinnow’ mandarin (Citrus reticulate Blanco) trees during two seasons. Research method: The treatments included: control (unpruned and ungirdled trees), light pruning (removal 10% of 15-20 cm branches), intense pruning (removal...

Creating new efficient technologies such as doubled haploids is a fast solution for producing inbred lines. In this study, using the microspore embryogenesis method, doubled haploid (inbred) pepper lines were produced. The Topcross test was performed using 32 doubled-haploid lines produced and the topcross parent of California Wonder to examine the...

Hybrid cultivars are commercially and economically important; hence, too much effort needed to improve the quality and quantity of hybrids. In this research project, general (GCA) and specific (SCA) combining ability of 32 doubled haploid (DH) lines of sweet pepper produced via microspore embryogenesis were evaluated. The DH lines were crossed with...

Comprehensive information on the genetics basis of inheritance is important for breeding programs. The present study was performed as a diallel crosses using nine selected early maturity maize lines. Thirty-six hybrids resulting from their one-way diallel crosses were planted in a randomized complete block design with three replications during two...

Purpose: Most almond cultivars grown in Iran exhibit gametophytic self-incompatibility. Therefore, they need to be pollinated by cross-compatible cultivars that bloom in the same time to produce commercial crop. One of the new almond genotypes is Karaj 33, which has very late flowering, high productivity, paper shell, high percentage of kernel to f...

Iran has a rich genetic diversity of Prunus spp. This study was conducted to evaluate the phenological, morphological, pomological and sensorial traits on three natural plum and apricot hybrids including P. armeniaca × P. salicina (Bavanat) and P. cerasifera × P. armeniaca (Shiraz and Shahriar) during 2018-2020. According to UPOV (International Uni...

Simple sequence repeat (SSR) and inter simple sequence repeat (ISSR) markers were employed to evaluate the genetic diversity and population structure of 22 accessions belonging to three Lepidium species. Results revealed a high level of genetic diversity in the Lepidium accessions. A total of 58 bands were amplified by 11 ISSR primers, of which all...

Growth and morphogenesis of orchid in vitro culture is influenced by supplementation with certain undefined additives. Various organic compounds, i.e., coconut water, banana and potato homogenate, carrot and tomato juice, casein hydrolysate, peptone, yeast extract, chitosan and phloem sap, individually or in combination, can promote seed germinatio...

permits unrestricted, use, distribution and reproduction in any medium, or format for any purpose, even commercially provided the work is properly cited. Purpose: Micropropagation of GF677 rootstock, the most widely clonal rootstock used in peach orchards, is an important method for large-scale production of disease-free plants. In this research, e...

Hyssopus officinalis is a high-value medicinal plant in Iran. The aim of current study was to identify a suitable system for optimum callus induction from in vitro cultured leaves, hypocotyls and roots of H. officinalis. Callus induction was tested on MS medium supplemented with different concentrations of BA in combination with 2,4-D and NAA. The...

This research was conducted to screen effects of salicylic acid (SA) and selenium (Se) to mitigate signs of salinity on Echium amoenum. Seedlings were treated with NaCl (0 and 80 mM), foliar application of SA (0, 2 and 4 mM) and Se (0 and 0.5 mM). SA and/or Se had significant enhancing and alleviating effects on the plant height, shoot and root fre...

Strawberry cultivation requires the use of cultivars adapted to the field or greenhouse conditions of the production region. Seven commercial short-day (SD) and day-neutral (DN) strawberry cultivars (Camarosa, Kurdistan, Mrak, Paros, Queen Elisa, Selva, Ventana) were compared using a completely randomized design for different morpho-physiological c...

Polyploids are organisms that have more than two paired homologous sets of chromosomes. Polyploidy has played a significant role in the evolution and diversification of higher plants. Artificial polyploidization has been induced using a few antimitotic chemicals such as colchicine, trifluralin and oryzalin. The type of mitotic inhibitors and their...

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This study was performed to investigate the effect of salicylic acid and citric acid on some vegetative, reproductive, physiological and phytochemical traits of purple coneflower (Echinacea purpurea L.) in a randomized complete block design with 3 replications. Foliar application of salicylic acid and citric acid with concentrations of 0, 1, 5 and...

The somatic chromosome numbers and karyotype features of seven populations representing three species of Stachys L. (Lamiaceae), which are naturally distributed across Iran, were described. The results confirm the presence of different basic chromosome numbers including x = 15 and 17 within the genus. All the studied taxa were diploid and the chrom...

Karyomorphological study was carried out on 11 accessions from 6 sections belonging to 7 species of Astragalus growing in Iran. Chromosome numbers and karyotypes of two species (A. cephalanthus DC. and A. jacobsii Podlech) are new records. Two ploidy levels 2n = 2x = 16 and 2n = 4x = 32 were determined, the chromosomes size varied from 2.51 in A. c...

The present study describes a protocol for micro-propagation, callus induction, and shoot regeneration of ginger ( Zingiber officinale ). The rhizomes were surface-sterilized with ethanol (70%) for 45 s, sodium hypochlorite (2.5%) for 10 min, and mercuric chloride (0.1%) for 10 min. Multiple shoots were induced from sprouting bud explants cultured...

In the current investigation, karyotype analysis and chromosome characteristics of six populations of Calendula officinalis L. (pot marigold) from Iran are studied. Results showed that all populations were diploid (2n= 2x= 32), and had symmetrical karyotypes composing mainly of metacentric and submetacentric chromosomes. The mean chromosome length...

Mitotic chromosome numbers are reported for ten accessions belonging to six Allium species. Basic chromosome number of all species was x = 8. Allium lenkoranicum Miscz. ex Grossh., A. rubellum M. Bieb., A. scabriscapum Boiss., A. stipitatum Regel. as well as A. viride Grossh. were diploids and A. atroviolaceum Boiss. was tetraploid. Chromosome coun...

Stress caused by abiotic factors, such as salinity, decreases production of bananas, because it is very sensitive to salinity. This study aimed to investigate the effect of gamma (γ) ray-induced in vitro mutagenesis as well as in vitro and ex vitro reaction to salt stress (NaCl) in banana (Musa AAA cv. 'Dwarf Cavendish'). Shoot tips of banana were...

Chronic liver disease is a serious health problem worldwide, which involves a wide range of liver pathologies that include fatty liver, hepatitis, fibrosis, cirrhosis, and hepatocellular carcinoma. The efficiency of current synthetic agents in treating chronic liver disease is not satisfactory and they have undesirable side effects. Thereby, numero...

The genus Allium, a botanically diverse genus of the Alliaceae family, comprises more than 900 species including 15 subgenera and 57 sections, placing it among the largest monocotyledonous genera. Many economically important species belong to the subgenus Rhizirideum, e.g. A. cepa (onion), A. fistulosum (Japanese bunching onion) and A. schoenoprasu...

Spinach (Spinacia oleracea) in an annual herb belongs to the family Chenopodiaceae. It is native to SouthWest Asia and widely distributed and cultivated through the world including Iran as vegetables for its high nutritious value. Spinach is a good source of minerals (iron, copper, phosphorous, zinc, selenium), vitamin B complex (niacin and folic a...

This study aimed to evaluate the influence of wax, polyethylene film (19 μm thickness) and storage time on the quantitative and qualitative characteristics and shelf life of ‘Kinnow’ mandarin fruit (Citrus reticulata Blanco cv. ‘Kinnow’) stored at 5°C for 90 days. The mandarins were analyzed for physicochemical characters such as weight loss, weigh...

Foliar application effects of gibberellic acid (GA3) and salicylic acid (SA) were investigated on vegetative growth, flowering and shelf life of lisianthus (Eustoma grandiflorum) under greenhouse conditions. Four concentrations of GA3 (0, 150, 200 and 250 mg/l) and SA (0, 50, 100 and 150 mg/l) were sprayed at the three-leaf stage and repeated four...

Polyploidy induction could manipulate various traits of ornamental plants such as form and architecture of flowers, flowering time, flower colour, flower shelf life and also resistance to biotic and abiotic stresses. Trifluralin and oryzalin as anti-mitotic agents with similar LD50 are being used more frequently in floriculture, but oryzalin has mu...