نوع مقاله : مقاله پژوهشی
نویسندگان
1 گروه زراعت و اصلاح نباتات- دانشکده علوم کشاورزی- دانشگاه گیلان- رشت- ایران
2 گروه زراعت و اصلاح نباتات، دانشکده علوم کشاورزی، دانشگاه گیلان
3 گروه زراعت، دانشکده کشاورزی، دانشگاه آزاد اسلامی واحد شوشتر
4 بخش تحقیقات علوم زراعی و باغی، مرکز تحقیقات و آموزش کشاورزی و منابع طبیعی صفی آباد دزفول
چکیده
کلیدواژه‌ها
موضوعات
عنوان مقاله [English]
نویسندگان [English]
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.
کلیدواژه‌ها [English]
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