Publications internationales
Résumé: To determine the impact of fertilizer (Fosfactyl) on the growth of durum wheat during water stress. Our research has indicated the importance of chemical fertilizer (Fosfatyl) in improving durum wheat's behavior by directly impacting abscisic acid (ABA) expression. Most plant tolerance to water stress is attributed to a phytohormone. The amount of abscisic acid is increased by plants when faced with adverse stress. Plant resistance increases under long-term adversity stress due to the accumulation of abscisic acid (ABA) in plants. Water stress treatment affects the response variability of three durum wheat genotypes (Simeto, Hedba-3, and GTA dur) differently. By analyzing multiple physiological and biochemical parameters, the tolerance strategy adopted by each variety was characterized. Fosfactyl under water stress resulted in a change in seedling physiology, as well as an accumulation of proline, proteins, and sugars, which led to an increase in antioxidant enzyme activity. The experimental work has demonstrated that the response of durum wheat varies from variety to variety and is based on the fertilizer applied. The examination suggests that certain parameters are reliable indicators of tolerance and can handle the pressure of water stress.
Résumé: Bioactive natural compounds are found in medicinal plants through secondary metabolites, which are commonly referred to as bioactive natural compounds. The use of antioxidants and antimicrobials has become increasingly popular in recent years. Our objective is to assess the antibacterial and antioxidant effects of Salvia officinalis extracts from the Nechmaya region (Wilaya Guelma-ALGERIA) in this study. This study aims to understand the organoleptic characteristics of essential oils and to obtain different yields depending on the harvest periods, as well as the polyphenol and flavonoid content of the plant. The antiradical activity results from the DPPH method indicate that the methanolic extract has a stronger antioxidant activity than the essential oil.
Résumé: Our objective in this study was first to evaluate the technological quality of soft wheat treated with purified wastewater. In the second phase, we aimed to study and compare various physiological and biochemical parameters of two soft wheat varieties (Triticum aestivum L.), El-Hiddab (HD1220) and Béni Sélimane (ARZ), irrigated with either rainwater or purified wastewater. According to our findings, the use of purified wastewater is beneficial for technological parameters such as moisture, ash, gluten, and chlorophyll content in soft wheat. The analytical results of our experiments largely comply with national standards.
Résumé: An endoreic region in South Algeria was studied, which included the southern slopes of the Aurès, the Biskra and Touggourt areas, and the Melghir and Merouane chotts, which are large depressions located below sea level. The chemistry of surface waters and groundwater and the mineralogy of efflorescences were studied along a 100‐km‐long toposequence. The ionic strength of natural solutions varied from 22 × 10‐3 in the Aures Mountains to over 5.0 in the chotts. Thermodynamic equilibrium models indicated that solutions were controlled by the following precipitation sequence: calcite > gypsum > mirabilite = bloedite > halite. This sequence, confirmed by X‐ray diffraction of efflorescences, indicated that the landscape had behaved as a Chromatographic separator. Chemical composition variations related to this separation were consistent with generalized residual alkalinity, thereby indicating that a