University of Al-Qadisiyah Al-Qadisiyah Journal For Agriculture Sciences 2077-5822 10 1 2020 06 01 AGRO-MORPHOLOGICAL RESPONSE OF CORN (Zea mays L.) TO A BIOSTIMULANT FROM THE SOUTHEASTERN ALGERIA AGRO-MORPHOLOGICAL RESPONSE OF CORN (Zea mays L.) TO A BIOSTIMULANT FROM THE SOUTHEASTERN ALGERIA 215 220 167068 10.33794/qjas.2020.167068 EN LAKHDARI Wassima National Institute of Agronomic Research, Station of Sidi Mehdi, Touggourt, Algeria DEHLIZ Abderrahmene National Institute of Agronomic Research, Station of Sidi Mehdi, Touggourt, Algeria MLIK Randa National Institute of Agronomic Research, Station of Sidi Mehdi, Touggourt, Algeria CHERGUI Salima National Institute of Agronomic Research, Station of Sidi Mehdi, Touggourt, Algeria BENLAMOUDI Wiam National Institute of Agronomic Research, Station of Sidi Mehdi, Touggourt, Algeria LAKHDARI Fatma Department of Agronomy, Faculty of Nature and life sciences, University of Ouargla, Algeria ACHEUK Fatma Department of Agronomy, Faculty of Nature and life sciences, University of Ouargla, Algeria HAMMI Hamida National Institute of Agronomic Research, Station of Sidi Mehdi, Touggourt, Algeria Journal Article 2020 12 01 Abstract: This study highlights the effect of a biostimulant based on Trichoderma, indigenous antagonistic fungus from the region of Touggourt, on the development of a local variety of corn. This study was conducted at the experimental station of National Institute of Agronomic Research (Sidi Mehdi, Touggourt) as a complete randomaize block designe. The examined agro-morphological parameters showed that the application of this bioproduct stimulates vegetative growth of the plant. Besides, better germination and earliness of seeds. The results showed more interesting values were obtained in the treated plots (height = 135.9 cm, diameter = 28.9 mm, surface of leaves = 318 cm2, Pan = 10.2 panicles/plant) compared to those of the controls (height = 98.6 cm, diameter = 23.7 mm, surface of leaves = 260.4 cm², Pan = 7.4 panicles/plant). Statistical analyzes confirmed the existence of a very highly significant difference between treated and control subjects. Abstract: This study highlights the effect of a biostimulant based on Trichoderma, indigenous antagonistic fungus from the region of Touggourt, on the development of a local variety of corn. This study was conducted at the experimental station of National Institute of Agronomic Research (Sidi Mehdi, Touggourt) as a complete randomaize block designe. The examined agro-morphological parameters showed that the application of this bioproduct stimulates vegetative growth of the plant. Besides, better germination and earliness of seeds. The results showed more interesting values were obtained in the treated plots (height = 135.9 cm, diameter = 28.9 mm, surface of leaves = 318 cm2, Pan = 10.2 panicles/plant) compared to those of the controls (height = 98.6 cm, diameter = 23.7 mm, surface of leaves = 260.4 cm², Pan = 7.4 panicles/plant). Statistical analyzes confirmed the existence of a very highly significant difference between treated and control subjects. https://jouagr.qu.edu.iq/article_167068_d155ccc0b1f32f18c98b13d6b30273f3.pdf