Genomics and Applied Biology 2015, Vol. 6, No. 3, 1-14
        
        
          http://gab.biopublisher.ca
        
        
          13
        
        
          Rahman, H.U., K. Ullah, M. Sadiq, M. Zubiar, S. Javaria, M.A.
        
        
          Khan and A.M. Khattak. 2011. Relative efficacy of
        
        
          different weed control methods in onion (Allium cepa L.)
        
        
          crop. Pak. J. Weed Sci. Res., 17(4): 343-350.
        
        
          Ramachandiran , K. and R. Balasubramanian. 2012. Effect of
        
        
          weed management on growth, yield attributes and yield of
        
        
          aerobic rice. Madras Agric. J., 99(1-3): 96-98.
        
        
          Ramachandra Prasad, T.V. 2000. Integrated weed management
        
        
          in vegetables (transplanted onion), All India Coordinated
        
        
          Research Project on Weed Control, Bangalore Centre
        
        
          (ICAR), 22nd. Annual Progress Report, pp. 27-40.
        
        
          Ramsdale, B.K., G.O. Kegode, C.G. Messersmith, J.D.
        
        
          Nalewaja and C.A. Nord. 2006. Long-term effects of
        
        
          spring wheat-soybean cropping systems on weed
        
        
          populations. Field Crops Res., 97: 197-208.
        
        
        
          Ranpise, S.A. and B.T. Patil. 2001. Effect of herbicides on
        
        
          weed intensity and yield of summer onion cv. N-2-4-1.
        
        
          Pestol., 25(1): 59-60.
        
        
          Rao, A.S., M. Ratnam and T.Y. Reddy. 2009. Weed
        
        
          management in zero-till sown maize. Indian J. Weed Sci.,
        
        
          41(1&2): 46-49.
        
        
          Rao, K. D. and Singh. 1988. Effect of application of herbicides
        
        
          on quality of potatoes. Indian J. Weed Sci., 20: 96-99.
        
        
          Rao, P.C., C. S. Rama Lakshmi, G. Swapna, A. Sireesha and M.
        
        
          Madhavi.  2010. Residue and Dissipation Study of
        
        
          Oxadiargyl in Spinach.  IJAEB: 3(4): 361-364.
        
        
          Rapparini, G. 1994. The development of mechanical methods
        
        
          and chemical products in the control of infestations.
        
        
          Informatore Agrario. 50(39): 109, 111-112.
        
        
          Ratnam, M., A.S. Rao and T.Y. Reddy. 2012. Integrated weed
        
        
          management in turmeric (Curcuma longa). Indian J.
        
        
          Agron., 57(1): 82-84.
        
        
          Revathi, M. 2014. Weed management options on the
        
        
          productivity of rice under different rice establishment
        
        
          methods in sodic soil environment of tiruchirappalli region.
        
        
          Ph. D. Thesis, Tamil Nadu Agric. Univ., Coimbatore,
        
        
          Tamil Nadu, India.
        
        
          Roberts, H.A. 1976.  Weed competition in vegetable crops.
        
        
          Ann. Applied. Biol., 83(2): 321-324.
        
        
        
          Roberts, H.A. 1981. Seed banks in the soil. Advances in
        
        
          applied biology. Cambridge, Academic Press, 6: 55.
        
        
          Samar Singh, R.K., Malik, Rupa Dhawan and Samunder Singh.
        
        
          1995. Effect of sulphonyl urea herbicides on weed control
        
        
          in transplanted rice. Indian J. Weed Sci., 27(3&4):
        
        
          189-190.
        
        
          Sarkar, A., P.K. Mukerjee and P.M. Battacharya. 2005.
        
        
          Bio-efficacy of pendimethalin and fluchloralin in mustard.
        
        
          Indian J. Weed Sci., 37(3&4): 270-273.
        
        
          Sarkar, S. 2006. Weed management in jute (Corchorus olitorius
        
        
          L.) by post emergence herbicides. J. Tropical. Agric.,
        
        
          44(1-2): 71-73.
        
        
          Sathya Priya R. 2011. Efficiency evaluation of new formulation
        
        
          of oxyfluorfen (23.5% ec) on weed control in groundnut
        
        
          and onion and their residual effect on succeeding crops.
        
        
          Ph.D Thesis, Tamil Nadu Agric. Univ., Coimbatore, Tamil
        
        
          Nadu, India.
        
        
          Sathya Priya, R., C. Chinnusamy, P. Manickasundaram and P.
        
        
          Murali Arthanari. 2013. Evaluation of new formulation of
        
        
          oxyfluorfen (23.5% EC) for weed control efficacy and
        
        
          bulb yield in onion. American J. Plant Sci., 4: 890-895.
        
        
        
          Satya Sundaram, I. 2012. Spices: Boosting Exports, Market
        
        
          Survey: 19-20.
        
        
          Sharma, S.P., G.S.B. Sudeep Singh and D.S. Khurana. 2009.
        
        
          Comparative efficacy of pendimethalin and oxyfluorfen
        
        
          for controlling weeds in onion (Allium cepa L.) nursery.
        
        
          Indian J. Weed Sci., 41(1 & 2): 76-79.
        
        
          Sharma, V., R.S. Yadav, S.P. Singh and R.C. Bairwara. 2014.
        
        
          Effect of metsulfuron methyl on microbial population on
        
        
          microbial population of wheat rhizosphere. In: Biennial
        
        
          conference of Indian Society of Weed Science on
        
        
          “Emerging challenges in weed management”. February
        
        
          15-17. Directorate of Weed Science Research, Jabalpur,
        
        
          Madhya Pradesh, India. P. 107.
        
        
          Shekhawat, P.S. and P.L. Maliwal. 1991. Effect of weed control
        
        
          treatments on nutrient uptake by weeds and crop of potato.
        
        
          Indian J. Agron., 37: 205-207.
        
        
          Shobha, S. 2009. Determination of imazosulfuron persistence
        
        
          in rice crop and soil.  Environmental Monitoring and
        
        
          Assessment, 137: 205-211.
        
        
          Singh, A.P., R. Kumar, T. Chowdhury, N. Pandey, S.S. Kolhe,
        
        
          S.K. Dwivedi and G.K. Shrivastava. 2014. Standardization
        
        
          of seed rate and weed management in direct seeded rice.
        
        
          In: Biennial conference of Indian Society of Weed Science
        
        
          on “Emerging challenges in weed management”. February
        
        
          15-17. Directorate of Weed Science Research, Jabalpur,
        
        
          Madhya Pradesh, India. P. 89.
        
        
          Singh, H. and R.K. Mahey. 1991. Studies on weed control in
        
        
          turmeric (Cucurma longa L.). Indian Agric., 35: 261-263.
        
        
          Singh, H. and S. Singh. 2009. Weed management and soil
        
        
          micro organisms studies in irrigated summer groundnut
        
        
          (Arachis hypogaea L.). Indian J. Weed Sci., 41 (1&2):
        
        
          103-107.
        
        
          Singh, M.P. and K.P. Singh. 1994.  Effect of crop weed
        
        
          competition on growth and yield of kharif onion. Indian J.
        
        
          Weed Sci., 26(3&4): 18-21.
        
        
          Singh, P., K. Vargeese and J. Dawson. 2003. Efficacy of
        
        
          alachlor and atrazine independently and in combination
        
        
          for control of weeds in winter maize (Zea mays L.) var.
        
        
          Ganga Safed-2, Proc. Biennial Conference of ISWS,
        
        
          March 12-14, p.18.
        
        
          Singh, S.J., K. Sinha, S.S. Mishra, S.S. Thakur and N.K.
        
        
          Choudhary. 1992. Studies on weed management in onion
        
        
          (Allium cepa). Indian J. Weed Sci., 24: 6-10.