Abdelmajid Haddioui

Université Sultan Moulay Slimane

This research investigates the influence of two irrigation regimes on juice chemical and biochemical characteristics of eleven Mediterranean pomegranate (Punica granatum L.) cultivars during two consecutive years (2019–2020). Control trees were fully irrigated (FI) at 100% of crop evapotranspiration (ETc), and the stressed ones were subjected to a...

The present experiment was conducted to assess the ability of the cutting of 18 pomegranate cultivars, 10 of which are local types and the other 8 are exotic varieties. The experiment was carried out in the controlled greenhouse, using two types of cuttings, semi-hardwood and hardwood and 4 IBA treatments (0, 1000, 2000 and 3000 mg L−1). The measur...

Pistacia lentiscus L. is an indigenous species of considerable ecological and economic importance. An understanding of the patterns of genetic variation within and between Moroccan populations of this species is essential to design optimal genetic management strategies for its conservation. Here, inter simple sequence repeat (ISSR) technique was us...

Purpose Phosphorus (P) and potassium (K) shortages inhibit crop production, and soil borne plant diseases such as root rot by Fusarium spp. can cause extensive damage to crops. Streptomyces bellus (SB) and S. saprophyticus (SS) solubilize P and K and inhibit sugar beet (Beta vulgaris L.) associated Fusarium strains in laboratory conditions. Method...

The chemical properties of pomegranate peel, from the labeled IGP Moroccan cultivar "Sefri d'Ouled Abdellah", were evaluated. The pH, titratable acidity, soluble solids, powder color properties, ash content and dietary fibers were determined. Bioactive contents: total polyphenol content, flavonoids, condensed tannins, and water-soluble tannins were...

Sheep farming is a major source of meat in Morocco and plays a key role in the country’s agriculture. This study aims at characterizing the whole-genome diversity and demographic history of the main Moroccan sheep breeds, as well as to identify selection signatures within and between breeds. Whole genome data from 87 individuals representing the fi...

With frequent host shifts involving the colonization of new hosts across large geographical ranges, crop pests are good models for examining the mechanisms of rapid colonization. The microbial partners of pest insects may also be involved in or affected by colonization processes, which has been little studied so far. We investigated the demographic...

This study aimed to evaluate the effect of incorporating different levels of carob pulp (CP) on fattening performance, carcass characteristics and meat qualityof the Moroccan sheep breed Deroua. Thirty-six entire maleMoroccan breed Deroua lambs with aninitial body weight of 23.5±3.1 kg and age 120±10 days, were randomly divided into three diet’stre...

Citation: Aallam, Y.; Maliki, B.E.; Dhiba, D.; Lemriss, S.; Souiri, A.; Haddioui, A.; Tarkka, M.; Hamdali,

Moroccan plum cultivars were genetically characterized for assessing diversity and relatedness. In this study, a total of 23 plum cultivars were analyzed using 14 Inter-Simple Sequence Repeat (ISSR) primers. A total of 100 bands were obtained, of which 84 were polymorphic (84%). The mean values of PIC, Rp, I and Ht were 0.45; 3.03; 0.42 and 0.27, r...

Fresh meat is a sensitive and unstable product over time due to its composition and physicochemical characteristics (pH and aw). The length of storage time depends on temperature, atmospheric oxygen, endogenous enzymes, humidity, light and, above all, the microorganisms initially present. The challenge of preserving meat dates back to antiquity and...

This work investigated the effects of sustained deficit irrigation (SDI) on yield components and fruit physico-biochemical proprieties of two pomegranate cultivars, ‘Sefri’ and ‘Wonderful’ 21 trees each, in Sais plain (northern Morocco) over two consecutive seasons (2018–2019). Irrigation treatments consisted of a control, irrigation applied to ful...

The objective of this work is to characterize the genetic resources of plum (Prunus domestica L.) in Morocco. We have studied the phenotypic diversity in 30 cultivars collected in different regions using 30 morphological and pomological traits related to leaf and fruit. The variance analysis has exhibited significant differences between accessions...

Trace toxic elements concentrations (arsenic (As), boron (B), cadmium (Cd), cobalt (Co), chromium (Cr), copper (Cu), germanium (Ge), molybdenum (Mo), niobium (Nb), nickel (Ni), selenium (Se), zinc (Zn), yttrium (Y)) in sugar beet soils of Beni-Mellal region in Morocco were analyzed to evaluate their potential contamination level. The pollution was...

In the course of our research, aimed at improving sugar beets phosphorus nutrition, we isolated and characterized Streptomyces sp. strains, endemic from sugar beet fields of the Beni-Mellal region, which are able to use natural rock phosphate (RP) and tricalcium phosphate (TCP) as sole phosphate sources. Ten Streptomyces sp. isolates yielded a comp...

In this research, we isolated and characterized Streptomyces strains, endemic from sugar beet fields of the Beni-Mellal region, able to use natural rock phosphate (RP) and tricalcium phosphate (TCP), as sole phosphate source. Ten Streptomyces isolates yielded a comparable biomass in the presence of these two insoluble phosphate sources, indicating...

The contamination left by abandoned mines demands sustainable mitigation measures. Hence, the aim of this study was to examine the phytoremediator ability of Eucalyptus globulus Labill. to be used for cleaning up metal-contaminated soils from an African abandoned iron (Fe) mine (Ait Ammar, Oued Zem, Morocco). Plantlets of this species were exposed...

Metals and metalloids were known to have a real problem and serious risk to the environment and the ecosystems as well as human beings. In the present experiment, phyototoxicity of essential metals (Cu and Ni) and non-essential metalloids (As) at 10, 50, 100 and 200 mg L −1 were evaluated on seed germination and early seedlings growth of fenugreek....

Metallic trace element (MTE) soil contamination is a serious problem needed to be urgently faced to ensure safe food supply and protect human health over the world. The present work is a potting experiment conducted using two levels of biochar (2.5%; 5%) and animal manure (10%; 20%) to investigate their potential role in soil improvement and develo...

Macrophytes are one of the main components of the aquatic ecosystem. They are used in several countries as metrics for the ecological assessment of hydrosystems. The objective of our study was to evaluate the suitability of the Macrophyte Biological Index for Rivers (IBMR) to determine a trophic level in the upper Oum Er Rbia basin (Morocco) and to...

In September 2020, during a field survey in the province of Berrechid (central Morocco), located in the region of Casablanca-Settat (33°18′35.3″N, 7°22′30.4″W), we found several Orobanche ramosa plants in Brassica rapa L. fields. After morphological identification, this will be added to the list of enemies of the turnip crop in the Chaouia-Ouardigh...

Pistacia lentiscus is an evergreenperennial shrubnative to the Mediterranean Basin, used as fodder shrub for livestock and useful for rehabilitation of degraded landsand also as as medicinal plant. In Morocco, P. lentiscus L. spreads naturally in almost the whole of the country and has the ability to grow in several regions under different climates...

The aim of this study was to assess eleven Mediterranean pomegranate cultivars for drought tolerance based on their responses to severe water stress. The experiment was performed under field conditions in Sais Plain (NW Morocco) on twelve-year-old pomegranate trees (Punica granatum L.), under drip irrigation. For each cultivar, two treatments were...

This study was carried out to determine the effects of seven kinds of priming, gibberellic acid (GA), salicylic acid (SA), citric acid (CA), sodium chloride (NaCl), potassium chloride (KCl), zinc (Zn) and iron (Fe) on seed germination and seedling emergence of garden cress (Lepidium sativum) under arsenic stress. Results revealed that germination p...

A bstract With frequent host shifts involving the colonization of new hosts across large geographical ranges, crop pests are good models for examining the mechanisms of rapid colonization. The microbial partners of pest insects may also be involved in or affected by colonization processes, which has been little studied so far. We investigated the d...

Carrot is an important root vegetable crop in Morocco. Recently, it has been reported to have been attacked by the parasitic plant Orobanche crenata, which is known for infesting legumes. The aim of this study is to provide a morphological comparison between carrot-hosted, and faba bean- and chickpea-hosted O. crenata plants according to quantitati...

Cadmium accumulation in crops and the possibility of Cd entering the food chain are serious concerns for public health. This review discusses the deleterious effects of Cd in plants and the tolerance and resistance mechanisms that evolved to help mitigate cadmium toxicity. Cadmium reduces seed germination, early seedling growth, and plant biomass....

The effect of numerous heavy metals such as Co (as CoCl2), Cu (as CuSO4), Zn (as ZnSO4) and As (as Na2HAsO4) concentrations on garden cress (L. sativum L.) was tested. During this experiment, the measurement of several parameters such as root length (RL), plumule length (PL), germination percentage (GP), germination index (GI), germination rate ind...

The effect of numerous heavy metals such as Co (as CoCl2), Cu (as CuSO4), Zn (as ZnSO4) and As (as Na2HAsO4) concentrations on garden cress (L. sativum L.) was tested. During this experiment, the measurement of several parameters such as root length (RL), plumule length (PL), germination percentage (GP), germination index (GI), germination rate ind...

In the present study, sheep manure (0%, 10% and 20% w/w) and biochar derived from coniferous tree woods (0%, 2.5% and 5% w/w) were incorporated into a multi-MTE contaminated soil from a former iron mine site and incubated for 10 days. A seeds of barley were grown in the amended soil and different morphological traits were measured after 30 days. Re...

To evaluate the pomological diversity of apple (Malus x domestica Borkh) germplasm in Morocco, 34 fruit characteristics of 30 apple cultivars were studied. Fruit weights were higher in cultivars 'Delicious1', 'Azougar', 'Starking 4' and 'Golden 4' cultivars and lower in case of 'Lahlou', 'Talhlout' and 'Amlale' cultivars".The highest titratable aci...

Soil contamination by metals and metalloids is known to treat human beings and cause a serious damage of the ecosystem and destroy the environment. The present study was performed to evaluate the effect of Cu, Ni and As stress on seed germination and early seedling growth of barley and wheat. The plant seeds were treated with 0, 10, 50, 100 and 200...

Cette recherche s'intéresse, pour la première fois au Maroc, à l'étude de la variabilité morphologique d'une plante naturelle (Tamarix africana Poir.) qui possède des vertus thérapeutiques. Nous avons ainsi essayé de ressortir les critères taxinomiques, basés sur les pièces florales, indispensables à l'identification de cette espèce. Le présent tra...

Biochemical composition and antioxidant activity were determined in kernel nuts for eleven Moroccan walnut (Juglans regia L.) accessions representing its main cropping area. Total oil, carbohydrates, crude protein, energy value, crude fiber and flavonoid have varied significantly between accessions, respectively within the range values of 54.50-65....

In this work three heavy metals: cadmium (as CdSO 4 ), cobalt (as CoCl 2 ) and zinc (as ZnSO 4 ), were used to determine and compare their toxicity towards two subspecies of barley ( Hordeum vulgare subsp. vulgare L. and Hordeum vulgare subsp. distichum L.), focusing on seeds germination, seedlings growth, and cytological parameters. The results in...

Northwest-African sheep represent an ideal case-study for assessing the potential impact of genetic homogenization as a threat to the future of traditional breeds that are adapted to local conditions. We studied ten Algerian and Moroccan breeds of sheep, including three transboundary breeds, distributed over a large part of the Maghreb region, whic...

The walnut (Juglans regia L.) is a traditional fruit crop in Morocco. This species is cultivated in mountain in different environments. However, little data is available on its genetic diversity and its adaptability. Morphological characters of leaf and fruit from 11 Moroccan accessions of walnut were used to assess phenotypic variation of this spe...

The concentrations of metals were determined in soil samples collected in Ait Ammar (Oued Zem, Morocco). The mean Cd, Cr, Cu, Fe, Pb and Zn contents in the mining topsoil samples were: 2.12, 135, 34.9, 214, 9.13 and 90.8 mg kg-1 , respectively. Human health risks developed from metal ingestion, dermal absorption and inhalation of soils were also ev...

Millions of hectares in Africa, Europe, Asia, Australia, and America are contaminated of mine wastes. This contamination has caused a serious danger to humans, animals, plants, and microorganisms near mine sites. Such contamination may cause kidney dysfunction, reproductive deficiencies, mental retardation, or even death. These sites need to be rem...

Environmental pollution has a dangerous effect on bio-resources, including agricultural crops. It is produced through many industrial activities such as mining. The toxicity of Ait Ammar iron mine soil was evaluated using crop plant assays (germination test). Experimental data regarding the germination process of garden cress (Lepidium sativum L) a...

Microbial communities in the soil were collected from 20 samples of an iron mining area (Ait Ammar, Oued Zem, Morocco), and unaffected samples were analysed to identify the effects of metal concentrations on functional diversity (Biolog® EcoPlates), and structural diversity (polymerase chain reaction-denaturing gradient gel electrophoresis of 16S r...

is study was conducted to evaluate the eect of metals on wheat and bean species. e method uses seed germination and early seedling growth of these plants in the presence of various levels (10, 50, 100, 250, 500, 750 and 1000 mg/L) of Cadmium (Cd), Iron (Fe) and Zinc (Zn). e inhi- bition caused by these metals was depending on the concentratio...

Wild populations of Medicago ciliaris and Medicago polymorpha were subjected to four salt treatments 0, 50, 100 and 150 mM NaCl, plant growth and proline concentration in leaves were assessed. The analyzed data revealed significant variability in salt response within and between the two species, depending on the salinity level. It was found that hi...

Bioactive compounds, especially antioxidative constituents, play an imperative role in the nutritional and health impact of edible oil. Sesame is one of the world's most important and oldest oilseed crops with a high level content of antioxidant known to human health. The antioxidant, phenolic compounds, tocopherols and lignans are factors responsi...

The present study is an attempt to assess the pollution intensity and corresponding ecological risk of phosphorus and metals including Cd, Cr, Cu, Zn, Pb and Fe using various indices like geo-accumulation index, enrichment factor, pollution and ecological risk index. In all, 20 surface soil samples were collected from the Ait Ammar iron mine of Oue...

Wild populations of Medicago ciliaris and Medicago polymorpha were subjected to four salt treatments 0, 50, 100 and 150 mM NaCl, plant growth and proline concentration in leaves were assessed. The analyzed data revealed significant variability in salt response within and between the two species, depending on the salinity level. It was found that hi...

Le problème des sols pollués par les métaux lourds est la conséquence d'un passé, et trop souvent encore d'un présent industriel, peu soucieux des rejets d'éléments toxiques dans les sols, rendant de nombreux sites potentiellement pollués et dangereux pour la santé publique et animale. Il existe plusieurs technologies de décontamination des sols co...

The aim of the present study was to study changes in the diversity of native bacterial populations in soils contaminated by iron. The soil microbial communities were collected from twenty samples from the mining of iron area (Ait Ammar, Oued Zem) and unaffected sample (reference), were compared to determine the effects of metal concentrations on th...

La présente étude a pour objectif l'étude des variations de la diversité des populations bactériennes indigènes dans des sols contaminés par le fer. Les communautés microbiennes dans le sol ont été prélevées dans vingt échantillons de la zone minière de fer (Ait Ammar, Oued Zem) et un échantillon non touché (référence), ont été comparés afin de dét...

The goal of this paper is to investigate metal pollution in food chain and assess the resulting health risks to native citizens in Ait Ammar village. The results showed that cadmium (Cd), lead (Pb), and copper (Cu) concentrations in animal organs were above the metal concentration safety limit. Nevertheless, soils and plants from mining area were c...

Aujourd’hui, la pollution par les métaux lourds utilisés dans de nombreuses applications telles que l’industrialisation a des impacts très néfastes sur l’environnement et la santé de la population. De nombreux pays partout dans le monde recherchent des moyens pour sauver l’environnement qui ne cesse de se détériorer. Nous avons étudié la diversité...

Les techniques de bioremédiation utilisent les propriétés dépolluantes de microorganismes endogènes ou exogènes au terrain contaminé [1] but de dégrader ou transformer les contaminants à une forme moins contaminée [2]. Les communautés microbiennes dans le sol ont été prélevées dans vingt échantillons de la zone minière de fer (Oued Zem) et un échan...

Pomegranate (Punica granatum L.) is one of the most important fruit crop cultivated in Morocco. However, little data is available on its genetic diversity. The genetic relationships among pomegranate cultivars were investigated using Amplified Fragment Length Polymorphism (AFLP) markers. Six pairs of primers were used to analyse 24 pomegranate cult...

The chloroplast rbcL gene is selected to be a standard barcode for the phylogenetic analyses of several land plants. Using universal primers pair, the 3’ frame was used to assess the phylogeny of the two Legume genera Medicago and Sulla and the evolution of the translated protein. The multiple alignment exhibited high conservation rates (97.56% and...

Genetic diversity of 27 Moroccan pomegranate cultivars from three geographical regions of Morocco was screened using 61 Inter-Simple Sequence Repeat (ISSR) markers. Eight tested ISSR primers generated 70 bands of which 61 are polymorphic (87.14%). Nei's genetic distance ranged from (0.12 to 1) with a mean of 0.67. Nei genetic diversity parameters w...

Data from trnH-psbA intergenic spacer (cpDNA) were analyzed to elucidate molecular evolution within and among Maghrebian species of Medicago. The spacer highlighted a high interspecific variation and a low intraspecific diversity among species. Haplotype and nucleotide diversities revealed high level of variation. Parsimony and median-joining Netwo...

Plants live continuously in interaction with various components of their natural environment and are often confronted with adverse environmental conditions. The contaminated soil is now a great problem concern emerging countries. Heavy metals such as lead, cadmium, copper, zinc and chromium can’t therefore be biodegraded and persist in the environm...

North Africa has a long history of viticulture and a wide diversity of grape cultivars. Ampelographic studies have been made of grapevine cultivars grown all over the world, but only a few describe those of Algeria and Morocco. Many Maghrebi cultivars held in germplasm banks or found growing wild in this region have recently been subjected to micro...

Six Medicago species were investigated to characterize and valorize plant genetic resources of pastoral interest in Morocco. Samples were obtained from the core collection of the South Australian Research and Development Institute (SARDI). The transferability of single sequence repeat markers of Medicago truncatula was successful with 97.6% efficie...