Ahmadi A. M., Rashed Mohassel M. H., Baghestani M. A., and Rostami M. 2004. The effect of the critical period of weed competition on yield, yield components and morpho-physiological characteristics bean Derakhshan cultivar. Plant Pest and Disease. 1: 31-49. (in Persian with English abstract).
2- Anonymous. 2014. Available: http://www.ardabilmet.ir/.
3- Armin M., and Asghripour M. 2011. Effect of plant density on wild oat competition with competitive and non-competitive wheat cultivars. Agricultuer Science. 10: 1554-1561.
4- Baghestani M. A., and Zand E. 2004. Study of competitive ability of winter wheat (Triticum aestivum) genotypes against weeds with attention to Goldbachia laevigata DC and Avena ludoviciana Dur in Karaj. Plant Pest and Disease. 72: 1-21. (in Persian with English abstract)
5- Baghestani M.A., Zand E., Rahimian Mashhadi H., and Soufizadeh S. 2005. Morphological and physiological characteristics which enhance competitiveness of winter wheat (Triticum aestivum) against Goldbachia laevigata. Weed Science. 1: 111-126.
6- Beckie H.J., Johnson E., Blackshaw R.E., and Gan Y. 2008. Weed suppression by canola and mustard cultivars. Weed Techology. 22:182–185.
7- Blakshaw R.E., Molnar L.J., and Janzen H.H. 2004. Nitrogen fertilizer timing and application method affect weed growth and competition with spring wheat. Weed Science. 52: 614-622.
8- Cousens R.D., Barnett A.G., and Barry G.C. 2003. Dynamics of competition between wheat and oats. I. effects of changing the timing of phonological events. Agronumy. 95: 1295-1304.
9- Dianat M., Rahimian Mashhadi H., Baghestani M.A., Alizadeh H.M., and Zand E. 2007. Evaluation of Iranian cultivars of bread Wheat (Triticum aestivum L.) for competitive ability against rye (Secale cereale). Agriculture Science. 23: 267-280. (In Persian with English abstract).
10- Deihimfard R. 2005. The evaluate Morpho-physiology characteristics affecting the yield of some varieties of wheat (Triticum aestivum L.) in competition with Arugula (Eurea sativa). M.Sc. Thesis. Faculty of Agriculture AbouReyhan. 135 p. (In Persian with English abstract).
11- Farbodnia A., Baghestani M. A., Zand E., and NurMohammadi. 2009. Evalution of competitive ability of wheat cultivars (Triticum aestivum L.) in contrast against Daphnia (Descurainia Sophia). Plant Protect. 23: 74-81. (In Persian with English abstract).
12- Ghaderi A., Eversonn E. H., and Cress C. E. 1980. Classfication of enveronments and genotypes in wheat. Crop Science. 15: 700-704.
13- Gill B. S., Rupp W. J., Sharma H. C., and Browder L. B. 1986. Resistance in Aegilops squarrosa to wheat leaf rust, wheat powodeny mildew, greenbuy and Hession fly. Plant Disease. 70: 553-555.
14- Knezevic S. Z., Evans S. P., Blankenship E.E., Van Acker R.C., and Lindquist J.L. 2002. Critical period for weed control: The Concept and Data Analysis. Weed Science. 50: 773–786.
15- Lemerle D. G. S., Gill C. E., Murphy S. R., Walker R. D., Cousens S., Mokhtari S. J., Peltzer R., Coleman D., and Lickett J. 2001. Genetic improvement and agronomy for enhanced wheat competitiveness with weeds. Agricultuer Resaerch. 52: 527-548.
16- Mennan H., and Zandstra B. H. 2005. Effect of wheat (Triticum aestivum) cultivars and seeding rate on yield loss from Galium aparine (cleavers). Short communication. Crop Protection. 24: 1061-1067.
17- Mohammaddust Chamabad H. R. 2011. Introduction to principles and practical weed control. Publications University of Ardebil. 229 p.
18- Mohammaddost Chamanabad H. R., Hemati Kh., Asghari A., and Barmaki M. 2013. The effect of nitrogen and weed interference on some agronomic traits, yield and yield components of five wheat cultivars. Agricultural science and sustainable production.23 (4): 131-140. (In Persian with English abstract).
19- Mohammaddost Chamanabad H. R., Bakhshi M., Asghari A., and Mohammad Nia Sh. 2015. Evaluation of Weed Tolerance and Competition Indices of 18 Wheat Genotypes. Weed Science. 10: 155-166. (In Persian with English abstract).
20- Naderi R., and Ghadiri H. 2011. Competition of wild mustard (Sinapis arvense L.) densities with rapeseed (Brassica napus L.) under different levels of nitrogen fertilizer. Agricultuer Science. 13: 45-51.
21- Navabpour S., and Kazemi G. 2013. Stady the relation between grain yield and related traits in wheat by path analysis. Crop Production. 6(1): 191- 203. (In Persian with English abstract).
22- Olsen J., Kristensen L., and Weiner J. 2005. Effects of density and spatial pattern, of winter wheat on suppression of different weed species. Weed Science: 690-694.
23- Pawar R.K. 2009. Weed Management. Oxford Book Company. Jaipur. India. 300p.
24- Rahimian Mashhadi H., Baghestani M.A., Zand E., and Dianat M. 2004. Assess the competitiveness of the eight wheat cultivars with rye in Karaj and Varmyn. Abstract eighth congress Crop. Rasht.
25- Rezvani H., Asghari J., Ehteshami M. R., and Kamkar B. 2013. Study reaction yield wheat cultivars in competition with the weed in Gorgan. 6(4): 178-214. (In Persian with English abstract).
26- Siyahpoosh A., Zand E., Bakhshande A., and Gharineh M.H. 2012. Competitive of different densitiesof two wheat cultivars with wild mustard weed species (Sinapis arvensis) in different densities. Weed Science. 20: 748-752.
27- Saadatian B., Ahmadvand G., and Soleymani F. 2011. Evaluation empirical models of feral and wild mustard to predict yield loss of two winter wheat cultivars. Crop Production.4 (4): 157-175. (In Persian with English abstract).
28- Safahani Langrodi A., Kamkar B., Zand E., Bagherani Meybodi N., and Bagheri M. 2007. Reaction of grain yield and its components of canola (Brassica napus L.) cultivars in competition with wild mustard (Sinapis arvensis L.) in Gorgan. Crop Science. 9: 356-370. (In Persian with English abstract).
29- Williams W. D., and Muhammad K. 1997. Canada thistle (Cirsium arvense) effects on yield components of spring wheat (Triticum aestivum). Weed Science. 44: 114-121.
30- Wall D.A., Friesen G.H., and Bhati T.K. 2006. Wild mustard interference in traditional and semi-leafless field wheats. Canadian. Plant Science. 71: 473-480.
31- Zhao D. L., Atlin G. N., Bastians L., and Spiertz J. H. 2006. Cultivar weed-competitiveness in aerobic rices: heritability, correlated traits and the potential for indirect selection in weed-free environments. Crop Science. 46: 372-380.
32- Zand E. 2000. Study the physiological characteristics of Iranian wheat cultivars of the morphology, physiology, competition within and between species (trend of 50 years old). Agriculture Phd thesis. Faculty of Agriculture. University of Mashhad Ferdousi.
33- Van Acker R. C., and Oree R. 2004. Wild oat (Avena fatua L.) and wild mustard (Brassica kaber) wheller interference in canola (Brassica napus). Weed Science. 39: 210-221.