Document Type : Research Paper
Authors
1
Department of Agronomy and Plant Breeding, Faculty of Agricultural Sciences, Guilan University,-Rasht, Iran
2
Department of Agronomy and Plant Breeding, Faculty of Agricultural Sciences, Guilan University
3
Department of Agronomy, Shushtar branch of Islamic Azad University
4
Department of Agricultural and Horticultural Science Research, Safi-abad Agriculture and Natural Resources Research and Training Center
10.22034/saps.2024.56550.3043
Abstract
The experiment was carried out as a factorial experiment based on randomized complete block design with three replications during the two crop years of 2018-2019 and 2019-2020 in the agricultural research and studies center of Safi-abad, Dezful. Treatments included of three varieties of wheat; (Mehregan, Chamran 2 and Barat) and five Density of Malva (control (zero), 8, 16, 24 and 32 plants per square meter). The results showed that the length of the plant increased by 2.38, 7.42, 15.44 and 20.47%, respectively, compared to the control treatment, with the increase in the density of the weed and the spike length decreased by 7.42, 8.47, 16.47 and 29.71% compared to the control treatment with increasing the density of Malva weed. The number of seeds in the spike of Chamran 2 and Mehrgan cultivars decreased by 1.45% and 11.72% respectively compared to Barat cultivar. compared to the control treatment with the increase in the density of the Malva weed. Seed yeild with increasing density of Malva weed in Mehrgan variety 19.41, 29.44, 36.24 and 48.22%, in Chamran 2 variety 6.27, 15.84, 21.78 and 43.89% and in Brat variety 28.51, 39.06, 40.23, and 50.78% showed a decrease compared to the control treatment, respectively. In general, the control of cheese weed density can be recommended to improve quantitative yield, morpho-physiological indicators of bread wheat in order to achieve sustainable agricultural goals and increase grain and biological yield per unit area in the agricultural areas of North Khuzestan.
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