Enhancing Oat Yield and Yield components by Salicylic Acid in Different agro-ecosystem
DOI:
https://doi.org/10.21928/uhdjst.v9n1y2025.pp114-122Keywords:
Avena sativa L., Arid and Semiarid Area, Climate Change, Eco-Physiology, Salicylic Acid, PhytohormonesAbstract
Climate elements including temperature, humidity, and precipitation all are effects on crop growth and development especially in the arid and semi-arid areas of Northern parts of Iraq. Recently, the stresses of global climate change appear as an effective challenge, so, this study was carried out at two different locations in the Northern part of Iraq; Koya/Erbil and Altun Kopru/Kirkuk to study the effects of salicylic acid (SA) (0, 100, 200, and 300 ppm) twice as foliar spraying on five oat varieties. Results indicate that the Koya district environment significantly improved most studied characteristics, except for panicle number, compared to Altun Kopru. Except the harvest index (HI) which was non-significant, 100 and 200 ppm of SA improved significantly all studied characteristics compared to the control and 300 ppm of SA. Kangaroo, ICARDA Short, and ICARDA Tall varieties were the tallest plants (85.969, 83.469, and 82.833 cm) respectively. Each of Possum and ICARDA Short varieties were superior in panicle number, seed yield, biological yield, and straw yield. Kangaroo variety has the lowest harvest index (42.695%)significantly compared to all other varieties, whereas ICARDA Short variety was the lowest in panicle grain weight(0.898 g/panicle-1).
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