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زرین کاویانی, بهرام, زیدعلی, احسان اله, مرادی, روح اله, زرین کاویانی, کیانوش. (1397). بررسی مدیریت تلفیقی علفهای هرز بر عملکرد کمی و کیفی ذرت دانه ای و تراکم وتنوع علفهای هرز در شرایط اقلیمی دهلران. سامانه مدیریت نشریات علمی, 31(4), 129-150. doi: 10.22092/aj.2019.121327.1272
بهرام زرین کاویانی; احسان اله زیدعلی; روح اله مرادی; کیانوش زرین کاویانی. "بررسی مدیریت تلفیقی علفهای هرز بر عملکرد کمی و کیفی ذرت دانه ای و تراکم وتنوع علفهای هرز در شرایط اقلیمی دهلران". سامانه مدیریت نشریات علمی, 31, 4, 1397, 129-150. doi: 10.22092/aj.2019.121327.1272
زرین کاویانی, بهرام, زیدعلی, احسان اله, مرادی, روح اله, زرین کاویانی, کیانوش. (1397). 'بررسی مدیریت تلفیقی علفهای هرز بر عملکرد کمی و کیفی ذرت دانه ای و تراکم وتنوع علفهای هرز در شرایط اقلیمی دهلران', سامانه مدیریت نشریات علمی, 31(4), pp. 129-150. doi: 10.22092/aj.2019.121327.1272
زرین کاویانی, بهرام, زیدعلی, احسان اله, مرادی, روح اله, زرین کاویانی, کیانوش. بررسی مدیریت تلفیقی علفهای هرز بر عملکرد کمی و کیفی ذرت دانه ای و تراکم وتنوع علفهای هرز در شرایط اقلیمی دهلران. سامانه مدیریت نشریات علمی, 1397; 31(4): 129-150. doi: 10.22092/aj.2019.121327.1272

بررسی مدیریت تلفیقی علفهای هرز بر عملکرد کمی و کیفی ذرت دانه ای و تراکم وتنوع علفهای هرز در شرایط اقلیمی دهلران

پژوهش های کاربردی زراعی
مقاله 7، دوره 31، شماره 4 - شماره پیاپی 121، دی 1397، صفحه 129-150    اصل مقاله (855.17 K)
نوع مقاله: مقاله پژوهشی
شناسه دیجیتال (DOI): 10.22092/aj.2019.121327.1272
نویسندگان
بهرام زرین کاویانی1؛ احسان اله زیدعلی* 2؛ روح اله مرادی3؛ کیانوش زرین کاویانی4
1دانشجوی کارشناسی ارشد دانشکده کشاورزی دانشگاه ایلام
22. استادیار، گروه زراعت و اصلاح نباتات، دانشکده کشاورزی، دانشگاه ایلام
3استادیار، گروه تولیدات گیاهی، دانشکده کشاورزی بردسیر، دانشگاه شهید باهنر کرمان، کرمان
4استادیار، گروه علوم دامی، دانشکده کشاورزی، دانشگاه ایلام
چکیده
به منظور بررسی مدیریت تلفیقی گیاهان هرز ذرت دانه ای (رقم کوردنا) ، آزمایشی به صورت کرت های دوبار خرد شده در قالب طرح بلوک های کامل تصادفی با سه تکرار در سال زراعی 96- 1395 در شرق شهرستان دهلران استان ایلام اجرا شد. کرت های اصلی، شامل دو سطح خاک ورزی (خاک ورزی (کولتیواتور) و عدم خاک ورزی)، کرت های فرعی شامل سه سطح تراکم (65 ، 75 و 85 هزار بوته در متر مربع) و کرت های فرعی-فرعی شامل دو سطح علف کش(پاشش و عدم پاشش) بود. فراوانی و تراکم گیاهان هرز، تعداد و وزن خشک علف‌های هرز، عملکرد دانه، عملکرد بیولوژیک، شاخص برداشت، وزن صد دانه، تعداد دانه در بلال و صفات کیفی درصد پروتئین، فیبر و خاکستر اندازه‌گیری شد. مشاهده شد اویار سلام (2/5 بوته در متر مربع)، عروسک پشت پرده (4/4 بوته در متر مربع) و تاج خروس ریشه قرمز (8/6 بوته در متر مربع) گیاهان هرز غالب در مزرعه آزمایشی بودند. افزایش تراکم ذرت از 65 تا 85 هزار بوته باعث کاهش 102 درصدی تعداد و 129 درصدی وزن خشک علف‌های هرز شد. اعمال خاکورزی بین خطوط کشت نیز باعث کاهش تراکم و وزن خشک علف‌های هرز شد. بیشترین عملکرد دانه (5720 کیلوگرم در هکتار) در تیمار استفاده از علف‏کش و شخم در بالاترین تراکم به‏دست آمد. خاکورزی بین ردیف های کاشت باعث افزایش 17 درصدی عملکرد بیولوژیک ذرت نسبت به عدم خاکورزی شد. ب
کلیدواژه‌ها
تراکم بوته؛ خاکورزی بین خطوط؛ علف‌کش؛ پروتئین؛ خاکستر
عنوان مقاله [English]
Evaluation of the effect of integrated weed management on quantitative and qualitative characteristics of corn, weed density and biomass under Dehloran climatic condition
نویسندگان [English]
Bahram Zarin Kaviani1؛ Ehsan Zeidali2؛ Rooholla Moradi3؛ Kianoosh Zarin Kaviani4
1MSc Student, Department of Agronomy, Faculty of Agriculture, Ilam University, Ilam, Iran
2Assistant Professor, Department of Agronomy, Faculty of Agriculture, Ilam University, Ilam, Iran
3Assistant Professor, Department of Plant Productions, Agricultural Faculty of Bardsir, Shahid Bahonar University of Kerman, Kerman, Iran
4Assistant Professor, Department of Animal Science, Faculty of Agriculture, Ilam University, Ilam, Iran
چکیده [English]
Integrated weed management in corn (Cordona Variety) was studied in an experiment conducted in 2016-2017 growing season in Dehloran region, Ilam provice, Iran. The experiment was performed in split-split plots based on randomized complete block design with three replications. The main plot was tillage systems with two levels (tillage (cultivator) and no-tillage), corn density at three levels (65, 75 and 85 thousand plants per hectare) assigned to sub plots, and herbicide applications at two levels (herbicide and no- herbicide) in sub-sub plots. Frequency and density of weeds, dry weight grain yield, biological yield, harvest index, 100 seed weight, grain number per ear, protein percent, fiber and ash were measured. Small-flowered nutsedge (5.2 plant m-2), Ground cherry (4.4 plant m-2), and redroot pigweed (6.8 plant m-2) were dominant. Increasing the maize density from 65 to 85 thousand plant m-2 led to reducing 102% and 129% weed density and biomass, respectively. Results showed that weed density and biomass reduced by inter-row tillage system. The highest grain yield (5720 kg ha-1) was assigned to the highest maize density + herbicide + tillage treatments. Inter-row tillage increased 17% biological yield of maize than non-tillage. The highest protein content of grain (9.78%) was obtained at 75000 plant m-2 density using herbicide. Fiber and ash percentage were higher at higher densities and application of tillage and herbicide. Integrated weed management in corn (Cordona Variety) was studied in an experiment conducted in 2016-2017 growing season in Dehloran region, Ilam provice, Iran. The experiment was performed in split-split plots based on randomized complete block design with three replications. The main plot was tillage systems with two levels (tillage (cultivator) and no-tillage), corn density at three levels (65, 75 and 85 thousand plants per hectare) assigned to sub plots, and herbicide applications at two levels (herbicide and no- herbicide) in sub-sub plots. Frequency and density of weeds, dry weight grain yield, biological yield, harvest index, 100 seed weight, grain number per ear, protein percent, fiber and ash were measured. Small-flowered nutsedge (5.2 plant m-2), Ground cherry (4.4 plant m-2), and redroot pigweed (6.8 plant m-2) were dominant. Increasing the maize density from 65 to 85 thousand plant m-2 led to reducing 102% and 129% weed density and biomass, respectively. Results showed that weed density and biomass reduced by inter-row tillage system. The highest grain yield (5720 kg ha-1) was assigned to the highest maize density + herbicide + tillage treatments. Inter-row tillage increased 17% biological yield of maize than non-tillage. The highest protein content of grain (9.78%) was obtained at 75000 plant m-2 density using herbicide. Fiber and ash percentage were higher at higher densities and application of tillage and herbicide.
کلیدواژه‌ها [English]
Inter-row tillage, herbicide, plant density, Ash, protein
مراجع

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