Indian Journal of Agricultural Research

  • Chief EditorT. Mohapatra

  • Print ISSN 0367-8245

  • Online ISSN 0976-058X

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Indian Journal of Agricultural Research, volume 52 issue 2 (april 2018) : 133-139

Weed dynamics and yield of direct seeded upland autumn rice (oryza sativa l.) Varieties as influenced by integrated weed and nutrient management practices

G. Goswami, N.C. Deka, N.J. Ojha
1Assam Agricultural University, Jorhat-785 013, Assam, India.
Cite article:- Goswami G., Deka N.C., Ojha N.J. (2018). Weed dynamics and yield of direct seeded upland autumn rice (oryza sativa l.) Varieties as influenced by integrated weed and nutrient management practices. Indian Journal of Agricultural Research. 52(2): 133-139. doi: 10.18805/IJARe.A-4938.
A field experiment was conducted during autumn, 2014 at ICR Farm, Assam Agricultural University, Jorhat, Assam to compare three different direct seeded upland rice varieties along with different integrated weed and nutrient management practices. The experiment was carried out in factorial randomized block design replicated thrice with 15 treatments involving 3 varieties: Inglongkiri, Maizubiron and Rasi along with 5 treatments of weed and nutrient management, i.e. 20-10-10 kg/ha N-P2O5-K2O +  pretilachlor @ 750 g/ha followed by grubber 30 DAS (W1), 30-15-15 kg/ha N-P2O5-K2O + pretilachlor @ 750 g/ha followed by grubber 30 DAS (W2),  10-5-5 kg/ha N-P2O5-K2O  + pretilachlor @ 750 g/ha followed by grubber 30 DAS + Vermicompost @ 1 t/ha   (split equally at sowing & 30 DAS) + Sesbania (Sesbania aculeata) green mulch (up to 30 days) (W3),  10-5-5 kg/ha  N-P2O5-K2O + pretilachlor @ 750 g/ha followed by grubber 30 DAS with intra-row spacing 15cm (W4),  and 20-10-10 kg/ha N-P2O5-K2O + Weedy check (W5). The predominant weed floras observed in the experimental field were Ageratum conyzoides, Cynodon dactylon, Cyperus rotundus and Cyperus iria. Treatment W3 resulted significantly lowest weed population at all growth stages. Weed dry weight was significantly lowest with application of 30-15-15 kg/ha N-P2O5-K2O along with pretilachlor @ 750 g a.i./ha and grubber 30 DAS at 20, 60 DAS and at harvest of rice crop. The results revealed an increase in yields as evident by higher grain and straw yield for all the three varieties with pre-emergence application of pretilachlor (750g a.i./ha) + grubber 30 days after sowing + 30-15-15 kg/ha of N-P2O5-K2O. 
  1. Anonymous (2016 ). Area and production of rice in India. http// 
  2. Das, N. R. and Datta, B. (1995). Weed flora in rainfed rice-based 3-crop system under biofertilizers and N-levels in West Bengal. World Weeds 2:11–18.
  3. Gibson, K. D and Fischer, A. J. (2004). Competitiveness of rice cultivars as a tool for crop-based weed management. In Weed Biology and Management. Inderjit Ed. Kulwer Academic Publishers, Netherlands. pp. 517-537.
  4. Juraimi, A. S.; Uddin, M. K.; Anwar, M. P.; MudaMohamed, M. T.; Ismail, M. R. and Azmi, M. (2013). Sustainable weed management in direct seeded rice culture: A review .Aus. J. Crop Sc. 7(7): 989-1002 
  5. Kakati, P. K. (2003). Integrated weed management in rice (direct seeded summer rice)-rice (transplanted kharif) sequence. PhD Thesis. Assam Agricultural University.
  6. Kavitha, m. p.; ganesaraja, v.; paulpandi, v. k. and subramanian, r. b. (2010). effect of age of seedlings, weed management practices and humic acid application on system of rice intensification. indian j. Agril. Res. 44(4): 294-299
  7. Mahajan, G.; Chauhan, B. S.; Johnson, D. E. (2009) Weed management in aerobic rice in northwestern Indo-gangetic plains. J Crop Improv. 23: 366-382
  8. Maliwal, P. L. and Mundra, S. L. (2011). Weed management. In Agrotech Publishing Academy, Udaipur (ed) Agronomy at a glance. 1(3): 302-354.
  9. Mann, R. A.; Ahmad, S.; Hassan, G.; Baloch, M. S. (2007). Weed management in direct seeded rice crop. Pak J Weed Sci. Res. 13(3-    4): 219-226
  10. Mohanty, S. (2014). Rice in South Asia. Rice Today. 13(2): 40 – 41. 
  11. Moody, K. (1990). Post-planting weed control in direct-seeded rice. Paper presented at a Rice Symposium, 25-27 September 1990, MARDI, Penang, Malaysia.
  12. Mutumba, G. M. and Odongo, Patrick. (2015). Effects of weeds on yield in upland and lowland rice growing systems, Uganda. Journal of Biological Sciences. 1(1): 001-008
  13. Pandey, S. and Velasco, L. (2002). Economics of direct seeding in Asia: Patterns of adoption and research priorities. In: Direct Seeding: Research Strategies and Opportunities, (Eds.). International Rice Research Institute, Manila, Philippines, pp. 3-14.
  14. Pandey, S. and Velasco, L. (2005). Trends in crop establishment methods in Asia and research issues. In “Rice Is Life: Scientific Perspectives for the 21st Century” (K. Toriyama, K. L. Heong, and B. Hardy, Eds.), pp. 178–181. 
  15. Rodder W. (2001). Slash and burn rice systems in the hills of Northern Lao PDR. In. Description, challenges and opportunities IRRI, LOS Banos, Philippines, 201 pp.
  16. Sarkar, A. and Gangwar, B. (2001). Integrated nutrient management in rice based cropping systems under different agro-ecosystems. Oryza. 38: 35-37.
  17. Singh, B. (2015). Effect of weed control methods on performance of rice varietites under upland rainfed condition. Indian J. of Weed Sci. 20(2): 51-54
  18. Singh, R.; Singh, M. K. and Kumar, S. (2007). Weed management in rice. Farmer’s Digest. pp. 5-12.
  19. Singh, S. L.; Bhusan, K. K.; Ladha, R. K.; Gupta, A. and Sivprasad, B. (2006). Weed management in Dry-seeded rice (Oryza Sativa) cultivated on furrow irrigated raised bed Planting System. Crop Prot. 25: 487 – 495
  20. Smith, R. Jr. (1983). Weeds of major economic importance in rice and yield losses due to weed competition. In Proc. conf. weed control in rice, Int. Rice. Res. Inst. Los Banaos., Phillipines. pp.19-36.

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