Alebrahim, M.T., Majd, R., Rashed Mohassel, M.H., Wilkakson, S., Baghestani, M.A., Ghorbani, R. and Kudsk, P. 2012. Evaluating the efficacy of pre and post emergence herbicides for controlling Amaranthus retroflexus L. and Chenopodium album L. in potato. Crop Protect. 42: 345-350.
Alebrahim, M.T., Rashed Mohassel, M.H., Wilkakson, S., Baghestani, M.A., and Ghorbani, R. 2011. Evaluatin of 6 unregistered herbicides efficacy in Iran potato fields and herbicide relation to cytochromes P450 mono- oxygenase enzyme. Ph.D thesis. Ferdowsi. University of Mashhad (In Persian with English Summary).
Alebrahim, M.T., Rashed Mohassel, M.H., Wilkakson, S., Baghestani, M.A., Ghorbani, R., and Serajchi, M. 2013. Evaluating of some herbicides for common lambsquarter and prostrate pigweed control in potato fields. E. J. Crop Product. 6(1): 19-37 (In Persian with English Summary).
Allen, E.J. 1972. The effect of row width on the yield of three potato varieties. J. of Agri. Sci. Cambridge. 79: 315-321.
Anderson, R.L. 2009. Impact of preceding crop and cultural practices on rye growth in winter wheat. Weed Technol. 23: 564-568.
Anonymous. 2013. Meteorological organization Ardabil. Avaiable at www. Ardebilmet.ir. 2013.6.1
Bao, Z.Y., Nishiyama, S., and Kang, Y. 2003. Effects of different irrigation regimes on the growth and yield of drip-irrigated potato. Agri. Water Manage. 63: 153-167.
Barbe, C., Seeruttun, S., and Gaungoo, A. 2001. Oxadiargyl: A new preemergence herbicide recommended in potato in Mauritius. Food and Agri. Res. Council,Reduit, Mauritius, 135-138.
Baziramakenga, R. and Leroux, G.D. 1994. Critical period of quackgrass (Elitrigia repens) removal in potato (Solanum tuberosum L.). Weed Sci. 42: 528-533.
Blackshaw, R.E., O’Donovan, J.T. Harker, K.N. and Clayton, G.W. 2006. Reduced herbicide doses in field crops: A review. Weed Biol. & Manage. 6: 10–17.
Camire, M.E., Kubow, S. and Donnelly, D.J. 2009. Potatoes and human health. Crit. Rev. Food Sci. Nutr.49: 823-840.
Cheema, Z.A, Jaffer, I., and Khaliq, A. 2003. Reducing isoproturon dose in combination with sorgaab for weed control in wheat. Pakistan J. Weed Sci. Res. 9: 153-160.
Chitband, A.A., Ghorbani, R., Rashed Mohassel, M.H., and Zare, A. 2010. Joint effects of mesosulfuron+ iodosulfuron and clodinafop - propargyl and optimizing with use citowett and frigate surfectants on wild oat (Avena ludoviciana Durieu.). MSc. Thesis. Ferdowsi University of Mashhad (In Persian with English Summary).
Dennis, T.J.T., Charlotte, V.E., and Mary. J.G. 2000. Pre emergence weed control in potato (Solanum tuberosum L.) with ethalfluralin. Weed Technol. 14: 287-292.
Dichmann, R., Melgarejo, J., Loubire, P., and Montagnon, M. 1997. Oxadiargyl: a novel herbicide for rice and sugar cane. Brighton Crop Protection Conference: Weeds. 1: 51-57.
Dofolice, M. 2000. Critical period weed interference in corn and proper timing of herbicide programs. Division of agriculture and natural resources, university of California. 9Pp.
Eslami, S.V., Gill, G.S., Bellotti, B., and McDonald, G. 2006. Wild radish (Raphanus raphanistrum) interference in wheat. Weed Sci. 54: 749-756.
Holms, L.G., Placknett, D.L., Panco, J.V., and Herberger, J.P. 1997. Chenopodium album L. chenopodiaceae, goosefoor family. Page 84- 91. In the world weeds: distribution and ecology Honolulu, Madison.71- 92 pp.
Hwang, I.T., Hong, K.S., Choi, J.S., Kim, H.R., Jeon, D.J., and Cho, K.Y. 2004. Protoporphyrinogen IX-oxidizing activities involved in the mode of action of a new compound N- [4- chloro- 2- fluoro- 5- {3- (2 fluorophenyl)- 5- methyl- 4, 5 ihydroisoxazol -5 – y l - methoxy}- pheny l]- 3, 4, 5, 6 tetrahydrophthalimide. Pest Biochem. &Physiol. 80:123–130.
Jaiswal, V.P. 1992. Crop-weed competition studies in potato. J. of Indian Potato Assoc. 18: 131- 134.
Lesnik, M. 2003. The impact of maize stand density on herbicide efficiency. Plant Soil Environ. 49: 29–35.
Lutman, P.J.W., Bowerman, P., Palmer, G.M., Whytock, G.P. 2000. Predication of competition between oilseed rape and Stellaria media. Weed Res. 40: 255-269.
Mishra, M.M., Dash, R.R. 2013. Field demonstrations on chemical in transplanted rice. Indian J. of Weed Sci. 45: 156-158.
Nelson, D.C., and Thorreson, M.C. 1981. Competition between potatoes (Solanum tuberosum L.) and weeds. Weed Sci. 29: 672- 677.
Patel, B.D., Patel, V.J., Patel, J.B., Patel, R.B. 2006. Effect of fertilizers and weed management practices on weed control in chickpea (Cicer arietinum L.) under middle Gujarat conditions. Indian J. Crop Sci.. 1: 180-183.
Petroviene, I. 2002. Competition between potato and weeds on Lithuania’s sandy loam soils. Weed Res. 12: 286 -287.
Phillip, R.F., Hingston, L.T. 2011. Evaluation of oxadiargyl herbicide in various Australian horticultural crops. 14th Australian Weeds Conference, 6-9 september, 2004, Australia, 230-231.
Rajcan, I., and Swanton, C.J. 2001. Understanding maize –weed competition: resource competition, light quality and the whole plant. Field Crop Res. 71: 139-150.
Ramsdel, B.K., and Messersmith, C.G. 2002. Low-rate split-applied herbicide treatments for wild oat ( Avena fatua ) control in wheat (Triticum aestivum). Weed Technol. 16: 149-155.
Roberts, J.R., Peeper, T.F., and Solie, J.B. 2001. Wheat (Triticum aestivum) row spacing, seeding rate and cultivar affect interference from rye (Secale cereale). Weed Technol. 15:19-25.
Seefldet, S.S., Jensen, J.E., and Fuerft, E.P. 1995. Log-logistic analysis of herbicide dose-response relationship. Weed Technol. 9: 218-225.
Shalini, M. 2006. Effect of different methods of weed management in commercial growing of Gerberas. Karnataka J. Agri. Sci. 19: 746-748.
Talgre, L., Lauringson, E., Koppel, M., Nurmekivi, H., and Uusna, S. 2004. Weed control in spring barley by lower doses of herbicides in Estonia . Latvian J. of Agron. 7: 171–175.
Tollenaar, M., Missanka, S.P., Aguilera, A., Weise, S.F., Weisw, F., and Swanton, C.J. 1999. Effect of weed interference and soil nitrogen on four maize hybrids. Agron. J.86: 569-601.
Uchino, H., Iwama, K., Jitsuyama, Y., Ichiyama, K., Sugiura, E.R.I. Yudate, T. Nakamura, S. and. Gopal, J.A.I 2012. Effect of inter seeding cover crops and fertilization on weed suppression under an organic and rotational cropping system 1. Stability of weed suppression over years and main crops of potato, maize and soybean. Field Crops Res., 127: 9–16.
Urbanowiczu, J., Earli chowsk, T., and Powirska, M., 1998. Influence of some environmental factors on efficiency of new herbicides in growing of potato.Progress in Plant Prot.. 38: 688-691.
Walker, S.R., Medd, R.W., Robinson, G.R. and Cullis, B.R. 2002. Improved management of Avena ludoviciana and Phalaris paradoxa with more densely sown wheat and less herbicide. Weed Res. 42: 257–270.
Wallace, R.W. and Bellinder, R.R. 1990. Low rate application of herbicide in conventional and reduced tillage potatoes (Solanum tuberosum L.). Weed Technol. 4: 509-513.
Walworth, J.L., and Carling, D.E. 2002. Tuber initiation and development in irrigated and non- irrigated potatoes. American J. Potato Res.79: 387-395.
Zhang, J., Weaver, S.E., and Hamill, A.S. 2000. Risks and reliability of using herbicides at below-labeled rates. Weed Technol. 14: 106–115.