Research Papers
  • C.H.M. Vijayakumar, M. Ilyas Ahmed, B.C. Viraktamath, R. Balakrishnan and M.S. Ramesha (2001). Genotype x Environment interaction effects on yield of rice hybrids in India. Ind. J. Genet 61(2) : 101-106.

  • Virmani S.S. and Ilyas Ahmed M. (2001): Environmentally induced genic male sterility in crop plants. Advances in Agronomy 72: 139-195.

  • CHM. Vijaya Kumar, M. Ilyas Ahmed, Viraktamath, B.C., Ramesha, M.S. and S. Singh (1999): Identification and utilization of wide-compatibility gene in rice. Ind. J. Genet 59: 139-148.

  • Vijayakumar, C.H.M., Ilyas Ahmed, M., Viraktamath, B.C. and Ramesha, M.S. (1999). Selection of parents and prediction of heterosis in rice. Ind. J. Genet. 59: 295-300.

  • M.S. Ramesha, M. Ilyas Ahmed, Viraktamath, B.C. and Vijaya Kumar, CHM., (1999): Physiological basis of heterosis for grain yield in rice. Ind. J. Genet 59: 411-415.

  • M.S. Ramesha, B.C. Viraktamath, Ahmed, M.I. and Vijaya Kumar CHM., (1999): New CMS sources with stable male sterility and better outcrossing traits in rice. Ind. J. Genet 59: 403-409.

  • Balasubramanian, V., Vijayakumar, C.H.M. and Ilyas Ahmed, M., (1999). Pre-flowering dry matter and yield component relationships in rice hybrids. Ind. J. Plant Physiol. 4(1): 55-57.

  • Balasubramanian, V., Ilyas Ahmed, M., and Vijayakumar, C.H.M. (1998). Dry matter partitioning and leaf senescence after flowering in CMS and maintainer lines of rice. Ind. J. Plant Physiol. 3(1):1-4.


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  • Ilyas Ahmed M. and Siddiq E.A. (1998): Rice in hybrid cultivar development. Edited by S.S. Banga and S.K. Banga. Narosa Publishing House. PP: 221-248.

  • Siddiq E.A. and Ilyas Ahmed M., (1998): Ushering in an era of hybrid rice in India. In: Advances in Hybrid Rice Technology, Edited by Virmani, S.S., Siddiq, E.A. and Muarlidharan, K. pp. 51-58, IRRI publication.

  • Brar, D.S., Zhu, Y.G., Ahmed, M.I., Jachuck, P.J. and Virmani, S.S. (1998): Diversifying the CMS system to improve the sustainability of hybrid rice technology. In: Advances in Hybrid Rice Technology, Edited by Virmani, S.S., Siddiq, E.A. and Muralidharan, K. pp. 129-146, IRRI publication.

  • Siddiq E.A., M. Ilyas Ahmed et al (1998): Hybrid Rice Technology in India: Current Status and Future Outlook. In: Advances in Hybrid Rice Technology, Edited by Virmani, S.S., Siddiq, E.A. and Muralidharan, K. pp. 311-324, IRRI publication.

  • M. Ilyas Ahmed (1997). Development and use of Hybrid Rice Technology - Lessons learnt from the Indian Experiences. International Rice Commission Newsletter 46:75-83.

  • M. Ilyas Ahmed, S. Singh, B.C. Viraktamath, M.S. Ramesha and C.H.M. Vijayakumar, 1998. Studying comparative suitability of CMS lines. IRRN 23(1):5.

  • M. Ilyas Ahmed, C.H.M. Vijayakumar, S. Singh, M.S. Ramesha and B.C. Viraktamath, 1998. Adaptability and yield of hybrid rice. IRRN 23(1):11.

  • M. Ilyas Ahmed, C.H.M. Vijayakumar, B.C. Viraktamath, M.S. Ramesha and S. Singh, 1998. Yield stability in rice hybrids. IRRN 23(1):12.

  • N.S. Rani, M. Ilyas Ahmed and B. Krishna Veni, 1998. Screening rice hybrids for quality traits, IRRN 23(1):4.

  • J. Ali, E.A. Siddiq, F.U. Zaman and M. Ilyas Ahmed, 1998. Identifying and characterizing Thermosensitive cytoplasmic male sterile lines: IRRN 23(1):7.

  • O.U.K. Reddy, E.A. Siddiq, A.J. Ali, A.J. Hussain and M. Ilyas Ahmed, 1998. Genetics of Thermosensitive genic male sterile lines in rice. IRRN 23(1):10.

  • O.U.K. Reddy, E.A. Siddiq, A.J. Ali, A.J. Hussain, P. Arti and M. Ilyas Ahmed, 1998. Exploiting heterosis using TGMS lines in intra and inter subspecific hybridization. IRRN 23(1):12.

  • S. Singh, B.C. Viraktamath, C.H.M. Vijayakumar, M.S. Ramesha and M. Ilyas Ahmed, 1998. Standardizing hybrid rice seed production practices. IRRN 23(1):22.

  • S. Singh, B.C. Viraktamath, M.S. Ramesha, C.H.M. Vijayakumar and M. Ilyas Ahmed, 1998. Synchronization studies in hybrid rice seed production. IRRN 23(1):23.

  • B.C. Viraktamath, S. Singh, C.H.M. Vijayakumar, M.S. Ramesha and M. Ilyas Ahmed, 1998. Effect of seedling age on flowering time in A, B and R lines. IRRN 23(1):23-24.

  • C.H.M. Vijayakumar, M. Ilyas Ahmed, B.C. Viraktamath, S. Singh and M.S. Ramesha, 1998. Comparing methods of stability analysis in rice hybrids. IRRN 23(1):30.

  • Janaiah and M. Ilyas Ahmed, 1998. Economics of hybrid seed production in India. IRRN 23(1):31.

  • Janaiah, M. Ilyas Ahmed and K. Krishnaiah, 1998. Impact of hybrid rice on India's food economy: implications and policy issues. IRRN 23(1):31.

  • M.S. Ramesha, M. Ilyas Ahmed, B.C. Viraktamath, C.H.M. Vijayakumar and S. Singh, 1998. New cytoplasmic male sterile lines with diversified CMS sources and better out crossing trait in rice. IRRN 23(2):5.

  • O.U.K. Reddy, E.A. Siddiq, A.J. Ali, A.J. Hussain and M. Ilyas Ahmed, 1998. Fertility altering conditions of promising Thermosensitive genic male sterile lines in rice. IRRN 23(2):6-7.

  • O.U.K. Reddy, E.A. Siddiq, A.J. Ali, A.J. Hussain and M. Ilyas Ahmed, 1998. Identifying molecular markers for gene(s) governing Thermosensitive genic male sterility in rice. IRRN 23(2):10-11.

  • M.S. Ramesha, B.C. Viraktamath, M. Ilyas Ahmed, C.H.M. Vijayakumar and S. Singh, 1998. Yield system analysis in rice hybrids. IRRN 23(2):14-15.

  • C.H.M. Vijayakumar, M. Ilyas Ahmed, B.C. Viraktamath, M.S. Ramesha and S. Singh, 1998. Field evaluation of Thermosensitive genic male sterile lines. IRRN 23(2):16.

  • B.C. Viraktamath, C.H.M. Vijayakumar, M. Ilyas Ahmed, S. Singh and M.S. Ramesha, 1998. Leaf number: a reliable parameter for determining seeding intervals between parental lines in hybrid rice seed production. IRRN 23(2):25-26.

  • C.H.M. Vijayakumar, M.S. Ramesha, B.C. Viraktamath , S. Singh and M. Ilyas Ahmed, 1998. Analyzing leaf number in parental lines for hybrid rice seed production. IRRN 23(2):27.

  • Vijayakumar, C.H.M., Ilyas Ahmed, M, Viraktamath, B.C. and Ramesha, M.S. (1997). Heterosis, early prediction and relationship with reproductive phase. IRRN 22(2): 8-9.

  • Viraktamath, B.C. and Ilyas Ahmed, M., (1995). A simple method to produce hybrid seed for observational yield trial. IRRN 20(4):13-14.

  • Siddiq, E.A. et al (including M. Ilyas Ahmed) (1994). Hybrid Rice Research in India. In Virmani S.S. (Ed). Hybrid Rice Technology - New Developments and Future Prospects pp 157-171. IRRI Publication.

  • Ali, J., Siddiq, E.A., Zaman, F.U., Abraham, M.J, Ilyas Ahmed (1995). Identification and characterization of temperature sensitive genic male sterility sources in rice. Ind. J. Genet 55(3): 243-259.

  • Janaiah, A., Ilyas Ahmed, M, and Viraktamath, B.C. (1993). Hybrid Rice - An opportunity for food security in India. Yojana 37 (20): 7-9.
Booklet/ Bulletins/ Technical Reports
  • Illyas Ahmed M, Viraktamath B C, Ramesha M S and Mishra B. 2001. Hybrid rice in India: Present status and future prospects. DRR Technical Bulletin 2001-3, pp.
  • Prasada Rao U, Shobha Rani N, Subba Rao L V, Prasad G S V, Krishnaiah K, Pasalu I C, Satyanarayana K and Mishra B. 2001. High yielding rice varieties of India - 2000, DRR Technical Bulletin 2001-1 DRR, Hyderabad, pp 102.
  • Reddy A P K and Narayana Reddy M. 2000. A brief report on Compact Block Frontline Demonstrations. DRR, Hyderabad
  • Shobha Rani N, Mishra B, Prasad G S V, Rao U P, Subbaiah S V, Muralidharan K and Pasalu I C. 2001. Basmati rice: Heritage of India. DRR Tech Bull. 2001-2. DRR, Hyderabad, pp28.
  • Subbaiah S V and Balasubramanian V. 2000. Wet seeding of rice in India. DRR.
Extension Bulletins
  • Cultivation Package for rice hybrids

  • Cultivation package for DRRH-1