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Effects of row spacing on morpho-physiological traits and weed management in some corn cultivars | ||
| Caspian Journal of Environmental Sciences | ||
| مقالات آماده انتشار، اصلاح شده برای چاپ، انتشار آنلاین از تاریخ 11 شهریور 1404 اصل مقاله (662.99 K) | ||
| نوع مقاله: Research Paper | ||
| شناسه دیجیتال (DOI): 10.22124/cjes.2025.9017 | ||
| نویسندگان | ||
| Sajjad Moharramnejad* 1؛ Ghorban Didebaz Moghanlo2؛ Mohammadreza Shiri3؛ Malek Alipour1؛ Behnam Karjo Ajirlu1؛ Ali Mahrokh3؛ Farhad Parnian-khajehdizaj4؛ H. Hormoz3؛ Aziz Afarinesh5؛ Saeid Narimani Gharajeh6 | ||
| 1Crop and Horticultural Science Research Department, Ardabil Agricultural and Natural Resources Research and Education Center, AREEO, Moghan, Iran | ||
| 2Plant Protection Research Department, Ardabil Agricultural and Natural Resources Research and Education Center, AREEO, Ardabil, Iran | ||
| 3Seed and Plant Improvement Institute, Agricultural Research Education and Extension Organization (AREEO): Karj, Iran | ||
| 4Department Science Research Animal, East Azarbaijan Agricultural and Natural Resources Research and Education Center, AREEO, Tabriz, Iran | ||
| 5Crop and Horticultural Science Research Department, Safiabad Agricultural and Natural Resources Research and Education Center, AREEO, Dezful, Iran | ||
| 6Department of Animal Science, Faculty of Agriculture, University of Tabriz, Iran | ||
| چکیده | ||
| Corn is one of the most important cereals, serving as a rich source of nutrition for both humans and animals, in addition to its industrial uses and role in biofuels. This study aimed to assess the morpho-physiological characteristics and weed management of various maize varieties under different row spacings. A factorial experiment was conducted within a randomized complete block design with three replications at the Agricultural Research Station of Moghan Agro-Industry and Livestock Co., Northwest Iran in 2023. The first factor was planting row spacing at three levels (50, 65, and 75 cm). The second factor consisted of four corn cultivars: TWC647 (medium maturing group), KSC704 (late-maturing group), D5 (♀M41 × L51♂, very late maturing: tropical), and variety mixture KSC704 + D5 planted as two rows of KSC704 and two rows of D5. The analysis of variance showed significant differences between the cultivars and planting row spacings with respect to morpho-physiological characteristics and weed management. Thus, the maximum forage yield belonged to the combination of KSC704 + D5 at a row spacing of 50 cm. Whereas the highest dry weight of weeds at a row spacing of 75 cm was related to the TWC647, the lowest dry weight of weeds for all cultivars was obtained at a planting row spacing of 50 cm. The highest chlorophyll index and leaf area were attributed to the KSC704 and D5 cultivars. The results obtained from this study revealed that narrow planting row spacing and cultivation of competitive cultivars manage weeds and improve maize performance under sustainable agriculture. | ||
| کلیدواژه‌ها | ||
| Chlorophyll؛ Forage yield؛ Hybrid؛ Plant height؛ Variety mixture | ||
| مراجع | ||
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آمار تعداد مشاهده مقاله: 9 تعداد دریافت فایل اصل مقاله: 4 |
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