اثر نیتروژن، تراکم کاشت و تعداد نشاء در زراعت اصلی بر صفات مرفولوژيک، اجزاي عملکرد و عملکرد کمي و کيفي محصول راتون برنج (Oryza sativa L.) رقم سنگ طارم
محورهای موضوعی : توليد محصولات زراعي
محمدرضا خدادادی بالانقیبی
1
(دانشگاه آزاد اسلامی، واحد ورامین-پیشوا، دانش آموخته کارشناسی ارشد زراعت، ورامین، ایران)
بهرام حيدرنيا سماکوش
2
(واحد ورامین-پیشوا، دانش آموخته کارشناسی ارشد زراعت، ورامین، ایران.)
کلید واژه: اجزاي عملکرد, تراکم کاشت, تعداد نشاء, راتون, عملکرد کمي و کيفي, مرفولوژيک, نیتروژن.,
چکیده مقاله :
به منظور بررسي اثرات مقادير مختلف نيتروژن، تراكم كاشت و تعداد نشاء در زراعت اصلی بر صفات مرفولوژیک، اجزاي عملکرد و عملکرد کمی و کیفی محصول راتون برنج رقم سنگ طارم، آزمایشی در مزرعه ای واقع در شهرستان بابل در سال زراعي 1387 انجام گردید. اين آزمايش به صورت اسپليت فاكتوريل در قالب طرح بلوك‌هاي كامل تصادفي در 3 تكرار اجرا شد، چهار سطح كود نيتروژن (92، 69، 46، 0 كيلوگرم در هکتار از منبع کود اوره) به عنوان عامل اصلي و عامل فرعي شامل فاکتور اول دو تراكم كاشت (120 و 40 بوته در مترمربع به ترتيب با آرايش كاشت‌هاي 3/8 ×10 و 15× 6/16 سانتيمتر مربع) و فاکتور دوم دو روش كاشت بوته‌اي (تك نشاء) و كپه‌اي (3 نشاء يا جوانه) بود. بیشترین عملکرد دانه محصول راتون به ترتیب با مصرف 46 و 92 کیلوگرم نيتروژن در هکتار بدست آمد، همچنین حداکثر عملکرد دانه محصول راتون تحت تراکم 120 بوته در متر مربع و با تعداد 3 نشاء حاصل شد که علت آن به خاطر افزایش برخی اجزای عملکرد نظیر تعداد خوشه در متر مربع، تعداد کل خوشه چه در خوشه، تعداد خوشه چه پر شده و وزن هزار دانه بود. همينطور صفت کيفي آميلوز نيز تحت مصرف 92 کیلوگرم نيتروژن در هکتار با تراکم 120 بوته در متر مربع و در شرايط کاشت کپه اي (3 نشاء) به بيشترين مقدار خود رسيد.
To investigate the effects of different amounts of nitrogen, planting density and number of seedling in the main farming on morphologic qualities, functional components and quantitative and qualitative functions of ratoon rice production cultivars Sangtarom, an experiment was conducted on a field in Babol, in 2008. Split factorial experiment was conducted in randomized complete block design in three replications. In this experiment four levels of nitrogen fertilizer (0, 46, 69, 92 kg ha-1 from the urea fertilizer source) were used as main factor and sub factor, including the first two planting densities (120 and 40 plants per square meter respectively, sowing pattern 10 × 8.3 and 16.6 × 15 cm square). For the second factor two planting methods frutescence (single seedling) and univalve (3 seedlings or bud), were used respectively. The result of experiment indicated that maximum ratoon production consumption, respectively 46 and 92 kg N ha-1, also the maximum ratoon production obtained under density 120 plants in square meter and with the three seedlings could create an increase in some functional components, such as the number of panicles in square meter, in the total number of spikelet in panicle, in the number of filled spikelet and in the weight of thousands seeds. Also the quality of amiluze under the consumption of 92 kg N ha-1 by density 120 plants in square meter and also under the condition of univalve planting (3 seedlings) reached to its maximum value.
Abamu, F.J. 1995. Evaluating a crop-weed simulation model as a tool for weed management in irrigated transplanted rice (Oryza sativa L.). College, Laguna (Philippines). 174 pp.
Afzali Kale Bani, S. 2006. The effects of planting pattern and seedling age on agronomic qualities of rice (Oryza sativa L.) cultivars Tarom Hashemi. M.Sc. Thesis. Islamic Azad University of Varamin Branch. 85 pp. (In Persian).
Aguilar, M., and D. Guru. 1990. Effect of applied before seeding nitrogen fertilization on rice yield components. Cahiers Options Mediterranennes. 15: 53-64.
Baloch, A.W.A., M. Soomro., M.A. Javad., and M. Ahmed. 2002. Optimum plant density for high yield in rice (Oryza sativa L.). Asian Journal of Plant Sci. 1(1): 25-27.
Bienvenido, O. 1993. Rice in human food and nutrition. Pp: 26-35.
Fageria, N.K., and V.C. Baligar. 2001. Low land rice response to nitrogen fertilization. Soil Sci. Plant Anal. 32(1&9): 1405-1429.
Fallah Amoli, H. 2005. The effect of planting date, plant density and different amounts of nitrogen fertilizer on phenology and growth indexes of new line rice (Oryza sativa L.) cultivars Omidbakhsh 825. M.Sc. Thesis. 117 pp. (In Persian).
Fallah, V.M. 1995. Nitrogen supplying capacity of Iranian rice soils. Ph.D. Thesis. Uplb Los Banos. Philippines.
Gholami, M. 1997. Ratoon report in Mazandaran. Department of Agriculture Press. Agriculture Organization of Mazandaran. (In Persian).
Gholami, M. 2002. Ratoon rice farming as one of the effective methods for the productivity of rice wetlands and marshes. Department of Agriculture Press. Agriculture Organization of Mazandaran. (In Persian).
Grist, D.H. 1986. Rice.Sixtheen edition. Longman Group Limited. Pp: 179-180.
Hashemi Dezfoli, A., A. Kochaki., and M. Benayan Avval. 1995. Increasing crop yield. Mashhad Jahad Daneshgahi Press. (In Persian).
Hossain, M. 2004. Long-term prospects for the global rice economy. Paper presented at the FAO rice.
Juliano, B.O. 1971. A simplified assay for milled rice amylase. Cereal Sci. Today. 16: 334-340, 360.
Kamuru, F., S.L. Albrecht., L.H. Allen., and K.T. Shanmugan. 1998. Dry matter and nitrogen accumulation in rice inoculated with a nitrogenase-derepressed mutant of anabaena variabilis. Agron. J. 90: 529-535.
Karbalaee, M., N. Sharafi., Erfani., and G. Nematzadeh. 1997. Harvesting ratoon performance as the potential to increase rice production and evaluating the studies. Rice Research Institute Press. Mazandaran. Pp: 2-5. (In Persian).
Kazemi Posht Masari, H., H. Pirdashti., M. Bahmanyar., and M. Nasiri. 2007. The effect of the amounts and classification of nitrogen fertilizer on yield and yield components of different varieties of rice. Journal of Research and Development in Agriculture and Horticulture. 75: 68-77. (In Persian).
Liagas, M.A., T.R. Mig., and S.K. De Datta. 1987. Integrated weed management in broadcast-seeded flooded rice (Oryza sativa L.). International Rice Research Inst. 1 pp.
Mobasser, H., T. Mohseni Delarestaghi., A. Khorgami., D.B. Tari., and H. Pourkalhor. 2007. Effect of planting density on agronomical characteristics of rice varieties in North of Iran. Pakistan Journal of Biological Sci. Pp: 3208-3209.
Mohaddesi, A. 2001. The effects of planting date, nitrogen fertilizer and plant density on yield and yield components of rice (Oryza sativa L.). M.Sc. Thesis. Islamic Azad University of Karaj Branch. 90 pp. (In Persian).
Mostafavi Rad, M., and Z. Tahmasbi Sarvestani. 2003. Evaluating the effects of nitrogen fertilizer on yield, yield components and remobilization of dry matter in three genotypes of rice. Gorgan Journal of Agricultural Sciences and Natural Resources. 10(2): 21-31. (In Persian).
Vergara, B.S., B. Venkateswarler., M. Janoria., J. Kim., and R.M. Visperas. 1988. Rationale for a low littering rice plant type with high density grains. International Rice Research Inst. Los Banos, Languna (Philippines). 15(1): 33-40.
Wagh. R.G., and S.T. Thorat. 1987. Effect of split application of nitrogen and plant densities on yield and yield attributes of rice. Oryza. 24:169-171