Z. S. Siddiqui and A. U. Zaman, “Effects of Capsicum Leachates on Germination, Seedling Growth and Chlorophyll Accumulation in Vigna radiata (L.) Wilczek Seedlings,” Pakistan Journal of Botany, Vol. 37, No. 4, 2005, pp. 941-947.
 P. A. Singh and B. R. Chaudhary, “Allelopathic Potential of Algae Weed Pithophora Oedogonia (Mont.) Ittrock on the Germination and Seedling Growth of Oryza sativa L.,” Botany Research International, Vol. 4, No. 2, 2011, pp. 36-40.
 J. H. J. R. Makoi and P. A. Ndakidemi, “Allelopathy as Protectant, Defence and Growth Stimulants in Legume Cereal Mixed Culture Systems,” New Zealand Journal of Crop and Horticultural Science, Vol. 40, No. 3, 2012, pp. 161-186. http://dx.doi.org/10.1080/01140671.2011.630737
 J. Q. Yu, S. F. Ye, M. F. Zhang and W. H. Hu, “Effects of Root Exudates and Aqueous Root Extracts of Cucumber (Cucumis sativus) and Allelochemicals, on Photosynthesis and Antioxidant Enzymes in Cucumber,” Biochemical Systematics and Ecology, Vol. 31, No. 2, 2003, pp. 129-139. http://dx.doi.org/10.1016/S0305-1978(02)00150-3
 J. J. Ferguson, B. Rathinasabapathi and C. A. Chase, “Allelopathy: How Plants Suppress Other Plants,” The Horticultural Sciences Department, Institute of Food and Agricultural Sciences, University of Florida, Gainesville, 2003.
 Inderjit, L. A. Weston and O. S. Duke, “Challenges, Achievements and Opportunities in Allelopathy Research,” Journal of Plant Interaction, Vol. 1, No. 2, 2005, pp. 69-81.
 S. P. Ghafarbi, S. Hassannejad and R. Lotfi, “Allelopathic Effects of Wheat Seed Extracts on Seed and Seedling Growth of Eight Selected Weed Species,” International Journal of Agriculture and Crop Sciences, Vol. 4, No. 19, 2012, pp. 1452-1457.
 A. Gniazdowska and R. Bogatek, “Allelopathic Interactions between Plants. Multi Site Action of Allelochemicals,” Journal of Acta Physiologiae Plantarum, Vol. 27, No. 3, 2005, pp. 395-407.
 C. E. Stein and E. S. Braga, “Chlorophyll a in Macro-Vegetable as an Indicator of the Environmental Impacts in the Cananeia-Iguage Estuarine-Lagoon System—SP, Brazil,” Safety, Health and Environment World Congress, São Paulo, 2010.
 M. R. Schlemmer, D. D. Francis, J. F. Shanahan and J. S. Schepers, “Remotely Measuring Chlorophyll Content in Corn Leaves with Differing Nitrogen Levels and Relative Water Content,” Agronomy Journal, Vol. 97, No. 1, 2005, pp. 106-112. http://dx.doi.org/10.2134/agronj2005.0106
 C. Wu, Z. Niu, Q. Tang and W. Huang, “Estimating Chlorophyll Content from Hyperspectral Vegetation Indices: Modeling and Validation, “Agricultural and Forest Meteorology, Vol. 148, No. 8-9, 2008, pp. 1230-1241.
 R. O. Oyerinde, O. O. Otusanya and O. B. Akpor, “Allelopathic Effect of Tithonia diversifolia on the Germination, Growth and Chlorophyll Contents of Maize (Zea mays L.),” Scientific Research and Essay, Vol. 4, No. 12, 2009, pp. 1553-1558.
 S. Maharjan, B. B. Shrestha and P. K. Jha, “Allelopathic Effects of Aqueous Extract of Leaves of Parthenium hysterophorus L. on Seed Germination and Seedling Growth of Some Cultivated and Wild Herbaceous Species,” Scientific World, Vol. 5, No. 5, 2007, pp. 33-39.
 B. A. Gholami, M. Faravani and M. T. Kashki, “Allelopathic Effects of Aqueous Extract from Artemisia Kopetdaghensis and Satureja Hortensison Growth and Seed Germination of Weeds,” Journal of Applied Environmental and Biological Sciences, Vol. 1, No. 9, 2011, pp. 283-290.
 I. M. Hussain and M. J. Reigosa, “Allelochemical Stress Inhibits Growth, Leaf Water Relations, PSII Photochemistry, Non-Photochemical Fluorescence Quenching, and Heat Energy Dissipation in Three C3 Perennial Species,” Journal of Experimental Botany, Vol. 62, No. 13, 2011, pp. 4533-4545. http://dx.doi.org/10.1093/jxb/err161
 J. Alexander, B. Diane, C. Andrew, C. Jean-Pierre, D. Eugenia, D. Alessandro, M. L. Férnandez-Cruz, P. Fürst, J. Fink-Gremmels, L. G. Corrado, G. Philippe, G. Jadwiga, H. Gerhard, J. Niklas, M. Antonio, J. Schlatter, R. Van Leeuwen, C. Van Peteghem and V. Philippe, “Tropane Alkaloids (from Datura sp.) as Undesirable Substances in Animal Feed: Scientific Opinion of the Panel on Contaminants in the Food Chain,” The European Food Safety Authority Journal, Vol. 6, No. 1, 2008, pp. 2-55.
 O. A. Oseni, C. O. Olarinoye and I. A. Amoo, “Studies on Chemical Compositions and Functional Properties of Thorn Apple (Datura stramonium L.) Solanaceae,” African Journal of Food Science, Vol. 5, No. 2, 2011, pp. 40-44.
 M. Butnariu, “An Analysis of Sorghum halepense’s Behavior in Presence of Tropane Alkaloids from Datura stramonium Extracts,” Chemistry Central Journal, Vol. 6, 2012, p. 75. http://dx.doi.org/10.1186/1752-153X-6-75
 J. D. Hiscox and G. F. Israelstam, “A Method for the Extraction of Chlorophyll from Leaf Tissue without Maceration,” Canadian Journal of Botany, Vol. 57, No. 12, 1979, pp. 1332-1334. http://dx.doi.org/10.1139/b79-163
 D. I. Arnon, “Copper Enzymes in Isolated Chloroplasts, Polyphenoloxidase in Beta Vulgaris,” Plant Physiology, Vol. 24, No. 1, 1949, pp. 1-15.
 C. Yang, C. Lee and C. Chou, “Effects of Three Allelopathic Phenolics on Chlorophyll Accumulation of Rice (Oryza sativa) Seedlings: I. Inhibition of Supply-Orientation,” Botanical Bulletin of Academia Sinica, Vol. 43, No. 4, 2002, pp. 299-304.
 E. Stupnicka-Rodzynkiewicz, T. Dabkowska, A. Stoklosa, T. Hura, F. Dubert and A. Lepiarczyk, “The Effect of Selected Phenolic Compounds on the Initial Growth of Four Weed Species,” Journal of Plant Diseases and Protection, Vol. 120, No. XX, 2006, pp. 479-486.
 S. Arowosegbe and A. J. Afolayan, “Assessment of Allelopathic Properties of Aloe Ferox Mill. on Turnip, Beetroot and Carrot,” Biological Research, Vol. 45, No. 4, 2012, pp. 363-368.
 Z. Y. Ashrafi, S. Sadeghi, H. R. Mashhadi and M. A. Hassan, “Allelopathic Effects of Sunflower (Helianthus annuus) on Germination and Growth of Wild Barley (Hordeum spontaneum),” Journal of Agricultural Technology, Vol. 4, 2008, pp. 219-229.
 J. R. Quasem, “The Allelopathic Effect of Three Amaranthus spp. (Pigweeds) on Wheat (Triticum durum),” Weed Research, Vol. 35, No. 1, 1995, pp. 41-49.
 U. K. Sahoo, L. Jeeceelee, K. Vanlalhriatpuia, K. Upadhyaya and J. H. Lalremruati, “Allellopathic Effects of Leaf Leachate of Mangifera indica L. on Initial Growth Parameters of Few Home Garden Food Crops,” World Applied Sciences Journal, Vol. 10, No. 12, 2010, pp. 1438-1447.
 R. Choyal and S. K. Sharma, “Evaluation of Allelopathic Effects of Lantana camara (Linn) on Regeneration of Pogonatum aloides in Culture Media,” Asian Journal of Plant Science and Research, Vol. 1, No. 3, 2011, pp. 41-48.