Some Growth Characteristics of Maize were Affected by Inoculation with Mycorrhizae and Spraying with Amino Acids

This research used The Randomized Complete Block Design (RCBD) to conduct a springtime field experiment at the College of Agriculture, University of Babylon. The second factor is irrigating while draining (50-75) percent of available water; the third is the use of two water stressors for water; and the fourth is the amino acids with four levels (zero, two hundred milligrams per milliliter (mg/l) proline; two hundred milligrams per milliliter (mg/l) arginine; and two hundred milligrams per milliliter (mg/l) mixed PPM). In comparison to the control group, plants treated with mycorrhizae grew taller (169.15 cm), had a higher chlorophyll index (48.378 Spad Unit), covered more ground (55.82 dm2), produced more biomass (5.45 tons of vegetative dry matter and 4.15 tons of root dry matter per hectare), and weighed significantly less (4.15) than control plants. Protein amino acid spray (treatment A3) resulted in the maximum plant height, chlorophyll index, leaf area, vegetative and root dry weight. The W1 water stress treatment resulted in significantly increased plant height (177.05 cm), chlorophyll index (49.52 Spad Unit), leaf area (52.54 dm2), vegetative dry weight (5.2 tons ha-1), and root dry weight (4.2 tons ha-1). The bi-interaction of water stress and bio fertilization with mycorrhizae resulted in the highest values for plant height, chlorophyll index, leaf area, and root dry weight in the M1W1 condition of corn.