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volume 49 issue 3 (june 2015) : 199-206,   Doi: 10.5958/0976-058X.2015.00031.1

Effects of crop establishment techniques and weed management practices on root phenology and grain yield of rice (Oryza sativa L.)

C
C. Sangeetha*
1Vanavarayar Institute of Agriculture, Pollachi–642103,Tamilnadu, India.
Cite article:- Sangeetha* C. (2025). Effects of crop establishment techniques and weed management practices on root phenology and grain yield of rice (Oryza sativa L.). Indian Journal of Agricultural Research. 49(3): 199-206. doi: 10.5958/0976-058X.2015.00031.1.

ABSTRACT

A field experiment was conducted at wetland farms, Tamil Nadu Agricultural University, Coimbatore, India during rabi seasons of two years 2011-12, 2012-13 to study the root characteristics of rice under different establishment techniques and weed management practices. Results revealed that the root dry weight, root volume, root length and root length density were recorded higher values in SRI machine transplanting than conventional system at all growth stages during both the years of investigation. Similarly in case of weed management practices, the above said root growth parameters of rice, also expressed significantly higher values at various observational growth stages when crop made free with conoweeding 4 times at 10, 20, 30 and 40 DAT over unweeded control during both years of field study. The treatment combination of mechanical transplanting with four conoweeding at 10 days interval starting from 10 DAT registered significantly higher values for growth characters and yield attributes, and resulted in higher grain yield, which is comparable with mechanical transplanting with pretilachlor (0.75kg ha-1PE ) + bispyribac sodium (20g ha-1 EPOE) + conoweeding at 40 DAT.

REFERENCES

  1. Aggarwal, P., Choudhary, K.K., Singh, A.K and Chakraborty, D. (2006) Variation in soil strength and rooting characteristics of wheat in relation to soil management.Geoderma. 136: 353–63.
  2. Ahmad, M., Manschadi. A.D., John Christopher, B., Peter deVoil, A and Graeme Hammer, C. (2006) The role of root architectural traits in adaptation of wheat to water-limited environments. Functional P Bio. 33 (9): 823–37.
  3. Barison, J. (2002) Evaluation of nutrient uptake and nutrient use efficiency of SRI and conventional rice cultivation methods in Madagascar. In: Proc. Intl. Conf. ‘Assessments of the System of Rice Intensification (SRI), Sanya, China. 1-4 Apr. 2002. pp. 143-147.
  4. Chandrapala, A.G., Yakadri, M., Kumar, R.M and Raj, G.B. (2010) Productivity and economics of rice (Oryza sativa) – maize (Zea mays) as influenced by methods of crop establishment, Zn and S application in rice. Indian J Agron.55 (3):171-176.
  5. Hugar, A.Y., Chandrappa, H., Jayadeva. H.M., Sathish, A and Mallikarjun, G.B. (2009) Influence of different establishment methods on yield and economics of rice. Agric Sci Digest. 29(3):202-205.
  6. Jayakumar, B., Subathra, C., Velu, V and Ramanathan, S. (2005) Effect of integrated crop management practices on rice (Oryza sativa L.) root volume and rhizosphere redox potential. J Agron.4(4):311-314.
  7. Kaur, K., Kapoor, K.K and Gupta, A.P.(2005) Impact of organic manures with and without mineral fertilizers on soil chemical and biological properties under tropical conditions. J Plant Nutrition and Soil Sci.168(1): 117–22
  8. Mehta, S. (2004) Effect of integrated nutrient supply on growth and yield of wheat (Triticum aestivum). Annals of Agric Res.25(2): 289–91.
  9. Mishra, D., Ispal Asmed, M., Rao, K.V and Bentor, J.S.(2006) Rice Research in India: Green revolution to gene revolution. J Rice Res.1: 38-51.
  10. Mohanty, D .K and Mohanty, M.K.(2010) Assesment of yield using conoweeder in SRI method of paddy cultivation. Agric Eng Today. 34(1): 21-24.
  11. Mohapatra, P.C., Din, M., Parida, B.C., Patel, S.P and Mishra, P.(2012) Effect of mechanical planting and weeding on yield, water-use efficiency and cost of production under modified system of rice intensification. Indian J Agric Sci.82 (3): 280–283.
  12. Ramamoorthy, K. (2004) Effect of square planting and mechanical weeding on the growth and yield of rice. M.Sc. (Ag.) Thesis. Tamil Nadu Agricultural University, Coimbatore, Tamil Nadu, India.
  13. Reddy, G.S. (2010) Integrated weed management in drum seeding and direct planting system. M.Sc. (Ag.) Thesis. Tamil Nadu Agricultural University, Coimbatore, Tamil Nadu, India.
  14. Revathi, A. (2009) Establishment techniques and weed management practices in puddled lowland rice. M.Sc. (Ag.) Thesis. Tamil Nadu Agricultural University, Coimbatore, Tamil Nadu, India.
  15. Rupela, O.P., Wani, S.P., Kranthi, M., Humayun, P., Satyanarayana, A., Goud, V., Gujja, B., Punnarao. P., Shashibhushan, V., Raju, D.J and Reddy, P.L. (2006) Comparing soil properties of farmers’ fields growing rice by SRI and conventional methods. In: Proc. of 1st National SRI Symposium, Patancheru, Hyderabad. 17–18 Nov. 2006.
  16. Thiyagarajan, T.M., Senthilkumar, K., Bindraban, P.S., Hengsdijk, H., Ramasamy, S., Velu, V., Durgadevi, D., Govindarajan, K., Priyadarshini, R., Sudhalakshmi, C., Nisha, P .T and Gayathry, G. (2002) Crop management options for increasing water productivity in rice. J Agric Res Mgt.1(4):169-181.
  17. Veeramani, P., Singhdurai, R., Subrahmaniyan, K. (2012) Studies on different planting pattern (using rolling marker) in system of rice intensification through hybrid rice CORH 3. Intl J Res Chemistry and Environmnt.2(1): 58-61.
  18. Vijiyakumar, M. (2003) Evaluation of System of Rice Intensification (SRI) practices for higher production and productivity of rice. Ph.D (Ag.) Thesis. Tamil Nadu Agricultural University, Coimbatore, Tamil Nadu, India.
  19. Weaver, J.F. (1926) Root Development of Field Crops, McGraw-Hill, New York pp 291.
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Indian Journal of Agricultural Research
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    volume 49 issue 3 (june 2015) : 199-206,   Doi: 10.5958/0976-058X.2015.00031.1

    Effects of crop establishment techniques and weed management practices on root phenology and grain yield of rice (Oryza sativa L.)

    C
    C. Sangeetha*
    1Vanavarayar Institute of Agriculture, Pollachi–642103,Tamilnadu, India.
    Cite article:- Sangeetha* C. (2025). Effects of crop establishment techniques and weed management practices on root phenology and grain yield of rice (Oryza sativa L.). Indian Journal of Agricultural Research. 49(3): 199-206. doi: 10.5958/0976-058X.2015.00031.1.

    ABSTRACT

    A field experiment was conducted at wetland farms, Tamil Nadu Agricultural University, Coimbatore, India during rabi seasons of two years 2011-12, 2012-13 to study the root characteristics of rice under different establishment techniques and weed management practices. Results revealed that the root dry weight, root volume, root length and root length density were recorded higher values in SRI machine transplanting than conventional system at all growth stages during both the years of investigation. Similarly in case of weed management practices, the above said root growth parameters of rice, also expressed significantly higher values at various observational growth stages when crop made free with conoweeding 4 times at 10, 20, 30 and 40 DAT over unweeded control during both years of field study. The treatment combination of mechanical transplanting with four conoweeding at 10 days interval starting from 10 DAT registered significantly higher values for growth characters and yield attributes, and resulted in higher grain yield, which is comparable with mechanical transplanting with pretilachlor (0.75kg ha-1PE ) + bispyribac sodium (20g ha-1 EPOE) + conoweeding at 40 DAT.

    REFERENCES

    1. Aggarwal, P., Choudhary, K.K., Singh, A.K and Chakraborty, D. (2006) Variation in soil strength and rooting characteristics of wheat in relation to soil management.Geoderma. 136: 353–63.
    2. Ahmad, M., Manschadi. A.D., John Christopher, B., Peter deVoil, A and Graeme Hammer, C. (2006) The role of root architectural traits in adaptation of wheat to water-limited environments. Functional P Bio. 33 (9): 823–37.
    3. Barison, J. (2002) Evaluation of nutrient uptake and nutrient use efficiency of SRI and conventional rice cultivation methods in Madagascar. In: Proc. Intl. Conf. ‘Assessments of the System of Rice Intensification (SRI), Sanya, China. 1-4 Apr. 2002. pp. 143-147.
    4. Chandrapala, A.G., Yakadri, M., Kumar, R.M and Raj, G.B. (2010) Productivity and economics of rice (Oryza sativa) – maize (Zea mays) as influenced by methods of crop establishment, Zn and S application in rice. Indian J Agron.55 (3):171-176.
    5. Hugar, A.Y., Chandrappa, H., Jayadeva. H.M., Sathish, A and Mallikarjun, G.B. (2009) Influence of different establishment methods on yield and economics of rice. Agric Sci Digest. 29(3):202-205.
    6. Jayakumar, B., Subathra, C., Velu, V and Ramanathan, S. (2005) Effect of integrated crop management practices on rice (Oryza sativa L.) root volume and rhizosphere redox potential. J Agron.4(4):311-314.
    7. Kaur, K., Kapoor, K.K and Gupta, A.P.(2005) Impact of organic manures with and without mineral fertilizers on soil chemical and biological properties under tropical conditions. J Plant Nutrition and Soil Sci.168(1): 117–22
    8. Mehta, S. (2004) Effect of integrated nutrient supply on growth and yield of wheat (Triticum aestivum). Annals of Agric Res.25(2): 289–91.
    9. Mishra, D., Ispal Asmed, M., Rao, K.V and Bentor, J.S.(2006) Rice Research in India: Green revolution to gene revolution. J Rice Res.1: 38-51.
    10. Mohanty, D .K and Mohanty, M.K.(2010) Assesment of yield using conoweeder in SRI method of paddy cultivation. Agric Eng Today. 34(1): 21-24.
    11. Mohapatra, P.C., Din, M., Parida, B.C., Patel, S.P and Mishra, P.(2012) Effect of mechanical planting and weeding on yield, water-use efficiency and cost of production under modified system of rice intensification. Indian J Agric Sci.82 (3): 280–283.
    12. Ramamoorthy, K. (2004) Effect of square planting and mechanical weeding on the growth and yield of rice. M.Sc. (Ag.) Thesis. Tamil Nadu Agricultural University, Coimbatore, Tamil Nadu, India.
    13. Reddy, G.S. (2010) Integrated weed management in drum seeding and direct planting system. M.Sc. (Ag.) Thesis. Tamil Nadu Agricultural University, Coimbatore, Tamil Nadu, India.
    14. Revathi, A. (2009) Establishment techniques and weed management practices in puddled lowland rice. M.Sc. (Ag.) Thesis. Tamil Nadu Agricultural University, Coimbatore, Tamil Nadu, India.
    15. Rupela, O.P., Wani, S.P., Kranthi, M., Humayun, P., Satyanarayana, A., Goud, V., Gujja, B., Punnarao. P., Shashibhushan, V., Raju, D.J and Reddy, P.L. (2006) Comparing soil properties of farmers’ fields growing rice by SRI and conventional methods. In: Proc. of 1st National SRI Symposium, Patancheru, Hyderabad. 17–18 Nov. 2006.
    16. Thiyagarajan, T.M., Senthilkumar, K., Bindraban, P.S., Hengsdijk, H., Ramasamy, S., Velu, V., Durgadevi, D., Govindarajan, K., Priyadarshini, R., Sudhalakshmi, C., Nisha, P .T and Gayathry, G. (2002) Crop management options for increasing water productivity in rice. J Agric Res Mgt.1(4):169-181.
    17. Veeramani, P., Singhdurai, R., Subrahmaniyan, K. (2012) Studies on different planting pattern (using rolling marker) in system of rice intensification through hybrid rice CORH 3. Intl J Res Chemistry and Environmnt.2(1): 58-61.
    18. Vijiyakumar, M. (2003) Evaluation of System of Rice Intensification (SRI) practices for higher production and productivity of rice. Ph.D (Ag.) Thesis. Tamil Nadu Agricultural University, Coimbatore, Tamil Nadu, India.
    19. Weaver, J.F. (1926) Root Development of Field Crops, McGraw-Hill, New York pp 291.
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