EFFECT OF DIFFERENT ORGANIC EXTRACTS ON GRAIN YIELD AND SOME PHYSIOLOGICAL TRAITS OF THREE BREAD WHEAT CULTIVARS
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Abstract
An experiment was conducted in the Abu Ghraib area, located in the western part of Baghdad, during the 2023-2024 season to determine the effect of various organic extracts (Moringa leaves, licorice root, yeast, and water) on grain yield and some physiological traits of three wheat cultivars (IPA-99, Al-tahadi, and Al-fatih). The experiment was laid out in a Randomized Complete Blocks Design (RCBD) within a split-plot arrangement, cultivars distributed in main plots, and organic extracts in subplots with three replications.
Cultivar IPA-99 was superior in grain yield (4.483 t.ha-1) and most of the studied characteristics (flag leaf area 45.88 cm2, dry weight of flag leaf 0.180g, number of tillers 505.4m-2, number of spikes 421.6 spike m-2, dry weight of spike-1 1.205 g, number of grains per spike 54.03 grain spike-1, and weight 1000 grain 41.21g). Moringa leaves extract gave the highest grain yield (4.181 t ha-1) and most of the characteristics (leaf area 45.87cm2, dry weight of flag leaf 0.175g, number of tillers 489.8m-2, number of spikes 420.5 spike.m-2, dry weight of spike-1 1.196g, and number of grains per spike 52.18 grain spike-1). The effect of interaction was significant in most studied traits. It can be concluded that organic extracts are safe and environmentally friendly bio stimulants that increase productivity, especially Moringa leaf extract, which gave the highest increase in grain yield. Furthermore, the IPA-99 cultivar was significantly superior to the other cultivars in the most studied characters.
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Copyright (c) 2025 Sura Jasim Bunder (Author)

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