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The impact of herbicides on weed control and physiological traits in corn (Zea mays L.) | ||
| Journal of Plant Physiology and Breeding | ||
| دوره 14، شماره 2، 2024، صفحه 169-179 اصل مقاله (606.83 K) | ||
| نوع مقاله: Research Paper | ||
| شناسه دیجیتال (DOI): 10.22034/jppb.2024.60403.1329 | ||
| نویسندگان | ||
| Rasoul Fakhari* 1؛ Noushin Nezamabadi2؛ Sajjad Moharramnejad3؛ Ghorban Didehbaz Moghanlo1 | ||
| 1Plant Protection Research Department, Ardabil Agricultural and Natural Resources Research and Education Center, AREEO, Moghan, Iran | ||
| 2Iranian Research Institute of Plant Protection (IRIPP), Agricultural Research Education and Extension Organization (AREEO), Tehran, Iran | ||
| 3Crop and Horticultural Science Research Department, Ardabil Agricultural and Natural Resources Research and Education Center, AREEO, Moghan, Iran | ||
| چکیده | ||
| Objective: This research aimed to evaluate the effect of herbicides on weed control and physiological traits in corn (Zea mays L.). Methods: An experiment was performed using a randomized complete block design with four replications at the Agricultural and Natural Resources Research Center of Moghan, Iran, during the 2021 growing season. The herbicides included Amaize-ing (Terbuthylazine, 50% SC) at the rates of 1, 1.2, 1.5, 1.8, and 2 L/ha, Isoxaflutel + Tincarbazone (Adango 46.5% SC), Mesotrione + S-metolachlor + Lumax (Lumax 53.75% SE), U46 Combi Fluid (2,4-D + MCPA 67.5% SL), Bromicide MA (Bromoxynil + MCPA 40% EC), and Bromicide MA (Bromoxynil + MCPA 40% EC) + Cruze (Nicosulfuron 4% SC). Results: The analysis of variance revealed a significant difference among treatments in terms of weed density, weed dry weight, corn grain yield, chlorophyll index (SPAD), leaf weight, proline, and catalase activity. The use of 1.8 and 2 L/ha concentrations of Amaize-ing, Adengo, Lumax, U46 Combi Fluid, Bromicide MA, and Bromicide MA + Cruze herbicides had a favorable effect on redroot pigweed and common lambsquarters. It resulted in a 20 to 30% increase in corn yield. The highest chlorophyll content and leaf weight of corn were associated with treatments of Adengo, Lumax, U46 Combi Fluid, Bromicide MA, and Bromicide MA + Cruze. However, the Amaize-ing herbicide had a smaller effect on the leaf weight of corn. Also, increasing the concentration of Amaize-ing increased the proline content and activity of catalase in corn. Conclusion: In conclusion, it seems that the use of 1.8 L/ha of A-mazing and Adengo herbicides can have an effective role in controlling weeds, leading to an increase in leaf weight, photosynthetic capacity, and ultimately corn grain yield. | ||
| کلیدواژهها | ||
| Antioxidant enzymes؛ Density؛ Dry weight؛ Terbuthylazine herbicide | ||
| مراجع | ||
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