1. Ahmed H. 1991. Effect of weed on growth of garlic. Weed Science Abstract. 39 (6): 230.
2. Angiras N. N., Kumar S. and Rana S. S. 2008. Efficacy of new herbicides alone and in integration with hand weeding to manage weeds in onion (Allium cepa). Himachal Journal of Agricultural Research. 34 (2):109-112.
3. Boydston R. 2009. Weed and onion response to multiple applications of goal tender beginning at the 1-Leaf Stage of onion. African Journal of Biotechnology. 9 (42): 7037-7042.
4. Carlson H. L. and Kirby D. 2005. Effect of herbicide rate and application timing on weed control in Dehydrator onions. Research Program. No: 115.
5. Channappagoudar B. B. and Biradar N. R. 2007. Physiological studies on weed control efficiency in direct sown onion. Journal of Agricultural Science. 2: 375-376.
6. Daneshvar M. 2006. Vegetable production. (5th Ed.) Shahid Chamran University. Pp: 461. (In Farsi)
7. Ghosheh H. Z. 2004. Single herbicide treatments for control of broadleaved weeds in onion (Allium cepa). Crop Protection. 23: 539–542.
8. Ibrahim U., Oluwatosin O. J., Ayinde B. T. and Mahmoud B. A. 2011. Evaluation of herbicides on weed control, performance and profitability of onion (Allium cepa) in the forest zone of Nigeria. Middle-East Journal of Scientific Research. 9 (5): 611-615.
9. Jilani M. S., Ramzan M. and Waseem K. 2007. Impact of weed management practices on growth and yield of some local genotypes of onion. Pakistan Journal of Weed Science Research. 13(3-4): 191-198.
10. Karimi M. I., Hassan G., Ishfaq Khan M., Ahmad Khan I. and Bibi S. 2012. The impact of chemical and non-chemical weed control methods on weeds dynamics and on the yield of onion (Allium cepa L.). Pakistan Journal of Weed Science Research. 18(2): 255-263.
11. Mburu D.N., Drennan D.S.H. and Michieka R.W. 1997. Weed control in onion using pre-emergence herbicides applied at low doses plus supplementary hand-weeding, p. 187-194. In: Proceedings of the Weed Science Society for East Africa.
12. Monica N. Carciu G.H., Lazureanu A., Ileana C. and Antoanela C. 2011. Herbicides effectiveness on the weed control in Allium cepa culture. Journal of Horticulture, Forest and Biotechnology. 15 (4): 17- 20.
13. Mousavi S., Sabet P. and Bagherani N. 2012. Evaluation of clethodim herbicide efficiency in comparison to other graminicides for weedy grasses control in soybean (Glycin max L.). Iranian Journal of Field Crops Research. 11(2): 307-315.
14. Qasem J. R. 2006. Chemical weed control in seedbed sown onion (Allium cepa L.). Crop Protection. 25: 618–622.
15. Rashed Mohasel M. H., Rahimian H. and Banayan M. 1992. Weeds and weed control. Jahad Daneshgahi Mashdad, pp: 575. (In Persian with English abstract).
16. Sankar V., Thangasamy A. and Lawande K. E. 2015. Weed management studies in onion (Allium cepa L.) Cv N2-4-1 during Rabi season. International Journal of Tropical Agriculture. 33 (2): 627-631.
17. Sakhavat R., Ghaforzadeh D., Salimpour S., GhanbariBirgani D., Eslamizadeh V. and Khramian M. 2009. Onion production in Khouzestan. (Annual Report) Khouzestan Agricultural Extension Organization bulletin. No. 239. (In Persian with English abstract)
18. Tripathy P., Sahoo B. B., Patel D. and Dash D. K. 2013. Weed management studies in onion (Allium cepa L.). Journal of Crop and Weed, 9 (2): 210-212.
19. Vishnu V., Asodaria K. B. and Suthar A. 2015. Weed management in Rabi onion (Allium cepa L.). Agricultural Science Digest. 35 (2): 130-133
20. Umeda K. and Lund L. 2001. Evaluation of new pre emergence and post emergence herbicides for onion weed control. University of Arizona College of Agriculture. Report, index at: http://ag.arizona.edu/pubs/crops/az1252/.
21. Umeda K. and MacNeil D. 1999. Early post-emergence herbicide weed control in onions. University of Arizona College of Agriculture. Report, index at http://ag.arizona.edu/pubs/crops/az1143/.
22. Uygur S., Gürbüz R. and Nezihi Uygur F. 2010. Weeds of onion fields and effects of some herbicides on weeds in Cukurova region, Turkey. African Journal of Biotechnology. 9 (42): 7037-7042.
23. Wall D. 1994. Weed Research Report. Morden, Manitoba: Agriculture and Agri-Food Canada.p.20.
24. Zand E., Rahimian H., Kochki A., Khalghani J., Mousavi S. K. and Ramezani K. 2004. Weed ecology, implication for management. Jahad Daneshgahi Mashhad Press. (In Persian)
25. Zubair M., Rahman H., Salim Jilani M., Kiran M., Kashef Waseem M., Khattak A. M., Rahim A., Ahmad Khan A., Qayyum A. and Wahab, A. 2009. Comparison of different weed management practices in onion (Allium cepa L.) under agro-climatic conditions of Dera Ismail Khan, Pakistan. Pakistan Journal of Weed Science Research, 15(1): 45-51.