Agrawal, R.L. 1991. Seed Technology. Oxford and IBH Publishing. Pp. 305-374.
Alam, S.M. and Islam, E.U. 2002. Effect of aqueous extract of leaf, stem and root of nettle leaf goosefoot and NaCl on germination and seedling growth of rice. Pak. J. Sci. Technol. 2: 47-52.
Asgharipour, M.R., and Armin, M. 2010. Inhibitory effects of Sorghum halepens root and leaf extracts on germination and early seedling growth of widely used medicinal plants. Adv. Environ. Biol. 4(2): 316-324.
Asghari, J., and Tewari, J.P. 2007. Allelopathic potentials of eight barley cultivars on Brassica jucea (L) Czern and Setaria viridis (L) p. Beauv. J. Agr. Sci. Tech. 9: 165-176.
Ashrafi, Z.Y., Mashhadi, H.R. and Sadeghi, S. 200. Allelopathic effects of barley (Hordeum vulgare) on germination and growth of wild barley (Hordeum spontaneum). Pak. Weed. Sci. Res. 13(1–2): 99–112.
Babu, R.C. and Kandasamy, O.S. 1997. Allelopathic effect of Eucalyptus globulus Labill on Cyperus rotundus L. and Cynodon dactylon L. Pers. J. Agron. Crop Sci. 179(2): 123-126.
Baghestani, A., Lemieux, C. Leroux, G.D. and Baziramakenga, R. 1999. Determination of allelochemicals in spring cereal cultivars of different competitiveness. Weed Sci. 47: 498–504.
Baghestani, M., G. H. Akbari., A. Atri., and M. Mokhtari. 2003. Effect of competition of Rye on growth, yield and yield components of wheat. Pajouhesh and Sazandegi. 61 1-10. (in persian).
Bertholdsson, N. O. 2004. Variation in allelopathic activity over 100 years of barley selection and breeding. Weed Res. 44 78–86.
Bertin, C., Yang, X., and Weston, L.A. 2003. The role of root exudates and allelochemicals in the rhizosphere, Plant Soil. 256: 67–83.
Berhow, M.A., and Vaughn, S. R. 1999. Higher plant flavonoids: biosynthesis and chemical ecology. In: Principles and Practices in Plant Ecology – Allelochemical Interactions (Eds., Inderjit, K.M.M. Dakshini, and C.L. Foy), pp. 423-438. CRC Press, Boca Raton, FL.
Bhadoria, P. B. 2011. Allelopathy: a natural way towards weed management. Am. J. Ex. Agricult. 1(1): 7-20.
Bhowmik, P.C. and Inderjit. 2003. Challenges and opportunities in implementing allelopathy for natural weed management. Crop Prot. 22: 661–671.
Chi-Ming, Y., Chyoung-Ni, L. and Chang-Hung, C. 2002. Effect of three allelopathic phenolics on chlorophyll accumulation of rice (Oryza sativa) seedling: I. Inhibition of supply- orientation. Bot. Bull. Acad. Sinica. 43: 299-304.
Creamer, N.G., Bennett, N.A. Stinner, B.R. Cardina, J. and Regnier, E.E. 1996. Mechanisms of weed suppression in cover crop-based production systems. HortScience. 31: 410-413.
El-Rokiek, K.G.I., and Eid, R.A. 2009. Allelopathic effect of Eucalyptus citriodora on Amaryllis and associated grassy weed. Planta Daninha. 27: 887- 899.
Fujii, Y. 2001. Screening and future exploitation of allelopathic plant as alternative herbicides with special reference to hairy vetch. J. Crop Prot. 4: 257–275.
Gubbels, G.H. and Kenaschuk, E.O. 1989. Agronomic performance of flax grown on canola, barley and flax stubble with and without tillage prior to seeding. Can. J. Plant Sci. 69: 31–38.
Hassannejad, S., Porheidar Ghafari, S. and Lotfi, R. 2013. Allelopathic effects of wheat and barley on emergence and seedling growth of some weed species. Int. J. Biosci. 3(1): 128-134.
Hegab, M.M., Khodary, S.E.A., Hammouda, O. and Ghareib, H.R. 2008. Autotoxicity of chard and its allelopathic potentiality on germination and some metabolic activities associated with growth of wheat seedling. Afric. J. Biotech. 7: 884-892.
Herro, J.L., and Callawa, R.M.. 2003. Allelopathy and exotic plant invasion. Plant Soil. 256: 29-39.
Iqbal, J., Cheema, Z.A. and Mushtaq, M. N. 2009. Allelopathic crop water extracts reduce the herbicide dose for weed control in cotton (Gossypium hirsutum). Int. J. Agric. Biol. 11: 360–366.
Khoda bandeh, N. 2005. Cereals. Eighth Edition. Tehran University Press. 538 Pp (In Persian).
Kremer, R. and Ben-Hammouda, M.2009. Allelopathic plants. 19. Barley (Hordeum vulgare L). Allelopathy J. 24(2): 225 242.
Kruse, M., Strandberg, M. and Strandberg, B. 2000. Ecological effects of allelopathic plants. A review. Department of Terrestrial Ecology. Silkeborg, Denmark, Rep. No. 315.
Lichtenthaler, H.K. 1987. Chlorophylls and carotenoids: pigments of photosynthetic biomembranes. Meth. Enzymol. 148: 350-382.
Mesbah, A.O. and Miller, S. D. 1999. Fertilizer placement affects jointed goatgrass (Aegilops cylindrica) competition in winter wheat (Triticum aestivum). Weed. Technol. 13: 374-377.
Mighani, F., Khalghani, J., Ghorbanli, M. and Najaf Pour, M. 2006. Study of allelopathic potential of trifolium resupinatum and T. alexandrium on seed germination of Convolvulus arvensis, Amaranthus retroflexus, Secale cereal and Sinapis arvensis. Pests plant dis. 74(1): 81-101.
Molina-Cato, J.L., Igartua, E., Casas, A.M. and Moralejo, M. 2002. New views on the origin of cultivated barley. In: Barley Science (Eds., G.A. Slafer, J.L. Molina-Cano, R. Savin, J.L. Araus and I. Romagosa), pp. 15-29. Food Products Press. Binghamton. NY.
Naseem, M., Aslam, M. Ansar, M. and Azhar, M. 2009. Allelopathic effects of sunflower water extract on weed control and wheat productivity. Pakistan J. Weed Sci. Res. 15(1): 107-116.
Nielsen, K.A., Olsen, C.E. Pontoppidan, K. and Moller, B.L. 2002. Leucine-derived cyano glucosides in barley. Plant Physiol. 129: 1066-1075.
Olofsdotter, M., Nevarez, M.., Rebulanan, M. and Streibig, J.C. 1999. Weed-suppressing rice cultivars-does allelopathy play a role? Weed Res. 39: 441–454.
Om, H., Dhiman, S.D., Kumar, S., and Kuma, H. 2002 Allelopathic response of Phalaris minor to crop and weed plants in rice–wheat system. Crop Prot. 21: 699–705.
Poehlman, J.M. 1985. Adaptation and distribution. In: Barley (Ed., D.C. Rasmussen) pp. 1-18. American Society of Agronomy. Madison. WI.
Rashed Mohasel, M.H., Najafi, A.., and Akbarzadeh, M.D. 2006. Weed Biology and Control. Ferdowsi University. Press. Mashhad. 404 Pp.
Rice, E.L. 1984. Allelopathy. 2nd Ed. Academic Press, Orlando, FL. 422 Pp.
Siddiqui, Z.S., and Zaman, A.U. 2005. Effects of Capsicum leachates on germination, seedling growth and chlorophyll accumulation in Vigna radiata L. Wilczek. seedlings. Pakistan J. Bot. 37: 941- 947.
Von Bothmer, R. and Jacobsen, N. 1985. Origin, taxonomy and related species. In: Barley (Ed., D.C. Rasmussen) pp. 19-56. American Society of Agronomy. Madison. WI.
Vyvyan, J.R. 2002. Allelochemicals as leads for new herbicides and agrochemicals. Tetrahedron. 58: 1631-1646.
Wu, H., Haig, T., Prately, J., Lemerle, D. and An, M. 2000. Distribution and exudation of allelochemicals in wheat (triticum aestivum). J. Chem. Ecol. 26: 2141–2154.