Abstract
This study aimed to determine the impact of different irrigation levels as a drought factor on the water productivity and yield of Tosunbey variety wheat. Conducted between 2018 and 2020 at the Sarayköy Research and Application Station in Ankara Province, the experiment employed a randomized block design with three irrigation levels and three replications. Significant effects of irrigation levels on the yield and various morphological parameters of wheat plants were observed. The I100 treatment, which was irrigated up to field capacity, achieved the highest yield with an average of 6.55 tons ha-1 over the two growing seasons. In contrast, the rainfed treatment (I0) showed a yield reduction of approximately 80.99% and 77.77% compared to the I100 treatment across the two years, respectively. Water productivity analyses (IWP) revealed average values of 1.74 kg m-3 and 1.55 kg m-3 for the I100 and I50 treatments, respectively. The highest outcomes, both in terms of yield and water productivity, were obtained under the I100 irrigation management where irrigation was applied up to field capacity. Correlation analyses conducted during the study identified significant relationships between different drought stress applications and morphological parameters in wheat. These findings are expected to contribute to the understanding of optimal irrigation strategies to maximize water efficiency and enhance crop performance in wheat cultivation.
Published Version
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