Indicators of some growth and productivity traits of some wheat va-rieties with different plant densities under the influence of residues of Sorghum halepense L. and Xanthium strumarium L.
DOI:
https://doi.org/10.59658/jkas.v12i4.5176Abstract
A pilot study was conducted during the winter season (2023–2024) to investigate the effects of residual weeds (Sorghum halepense L.) and weeds (Xanthium strumarium L.) on some growth and yield characteristics of wheat cultivars and different plant density traits in Diyala Governorate, Al-Muqdadiyah District, within a June-spreading zone. The experiment was conducted in a randomized complete block design (R.C.B.D) with three distinct replicates, 3 independent sub-groups, using three wheat crop varieties (Aba99, Sham6, Al-Fayyadh), preferring the effect of the residues of the two types of weeds, the first (weed (Sorghum halepense L.) uses C4 herbaceous plants) used (weed (Xanthium strumarium L.) exploits C3 species) and the third factor with the quantity of seeds (40 kg.dun-1, 50 kg.dun-1). The results showed no significant differences between the varieties in the number of seedlings, number of spikes, and harvest index, while the Sham 6 variety was early and gave the lowest number of days to 50% spike bunch, reaching (97.08) days, while the Abaa 99 variety recorded the highest number of days, reaching (101.63) days. The comparison treatment without adding weed residues was superior and recorded the highest average for the total yield trait, which amounted to (4925.0 kg.ha-1), Because of its superiority in the number of total branches (372.83 branch. m2) and the number of spikes (337.39 spikes. m2). It also excelled in the harvest index trait, and the treatment of adding C3 weed residues recorded the highest average for the number of days until 50% of the ear cluster, which amounted to (100.17) days. Meanwhile, the seed quantity of 50 kg.dun-1 was superior in the number of days to 50% ear development, the total number of seedlings, and the number of earlings, and recorded an average of (100.14 days, 349.50 seedlings .m2, 312.17 seedlings. m2) respectively, and there were no significant differences between the seed quantity in the total yield characteristic.
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Copyright (c) 2025 Copyright (c) 2024 is the Author's article. Published by the Journal of Kerbala for Agricultural Sciences under a CC BY 4.0 license
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