[1] Ramulu, N., Jayadeva, H.M., Venkatesha, M.M. and Kumar, H.R. (2011) Seed Yield and Nutrient Uptake of Sunflower (Helianthus annuus L.) as Influenced by Different Levels of Nutrients under Irrigated Condition of Eastern Dry Zone of Karnataka, India. Plant Archives, 11, 1061-1066.
[2] Saleem, R., Farooq, M.U. and Ahmed, R. (2003) Bio-Economic Assessment of Different Sunflower Based Intercropping Systems at Different Geometric Configurations. Journal of Biological Sciences, 6, 1187-1190.
[3] Rathore, P.S. (2001) Technique and Management of Field Crop Production. Agro Bios, India, 215-220.
[4] Awasthi, C.P., Abidi, A.B. and Choudhry, A.R. (1991) Studies on the Nutritional Quality of Different Varieties of Chickpea. Indian Journal of Agricultural Research, 25, 21-26.
[5] Iqbal, J., Randhawa, M.A., Rasheed, M. and Khan, H.A. (2011) Morphological Features in Sunflower as Influenced by Varying Nutritional Area. Pakistan Journal of Nutrition, 10, 470-474.
http://dx.doi.org/10.3923/pjn.2011.470.474
[6] Johnson, S.E., Lauren, J.G., Welch, R.M. and Duxbury, J.M. (2005) A Comparison of the Effects of Micronutrient Seed Priming and Soil Fertilization on the Mineral Nutrition of Chickpea (Cicer arietinum), Lentil (Lens culinaris), Rice (Oryza sativa) and Wheat (Triticum aestivum) in Nepal. Experiment Agriculture, 41, 427-448.
http://dx.doi.org/10.1017/S0014479705002851
[7] Niaz, A., Ibrahim, M., Ahmad, N. and Anwar, S.A. (2002) Boron Contents of Light and Medium Textured Soils and Cotton Plants. International Journal of Agriculture and Biology, 4, 534-536.
[8] Rashid, A. and Ryan, J. (2004) Micronutrient Constraints to Crop Production in Soils with Mediterranean-Type Characteristics: A Review. Journal of Plant Nutrition, 27, 959-975.
http://dx.doi.org/10.1081/PLN-120037530
[9] Bolanos, L., Lukaszewski, K., Bonilla, I. and Blevins, D. (2004) Why Boron? Plant Physiology and Biochemistry, 42, 907-912.
http://dx.doi.org/10.1016/j.plaphy.2004.11.002
[10] Camacho-Cristobal, J.J., Maldonado, J.M. and Gonzalez-Fontes, A. (2005) Boron Deficiency Increases Putrescine Levels in Tobacco Plants. Journal of Plant Physiology, 162, 921-928.
http://dx.doi.org/10.1016/j.jplph.2004.09.016
[11] Steel, R., Torrie, J. and Dickey, D. (1997) Principals and Production of Statistics. A Biometrical Approach. 3rd Edition, McGraw-Hill Book Co., New York.
[12] El-Shintinawy, F. (2000) Structural and Functional Damage Caused by Boron Deficiency in Sunflower Leaves. Photosynthetica, 36, 565-573.
http://dx.doi.org/10.1023/A:1007096105491
[13] Gitte, A.N., Patil, S.R. and Tike, M.A. (2005) Influence of Zinc and Boron on Biochemical and Yield Characteristics of Sunflower. Indian Journal of Plant Physiology, 10, 400-403.
[14] Kolesnikov, S.I., Popovich, A.A., Kazeev, K.S. and Val’kov, V.F. (2008) The Influence of Fluorine, Boron, Selenium, and Arsenic Pollution on the Biological Properties of Ordinary Chernozems. Eurasian Soil Science, 41, 400-404.
http://dx.doi.org/10.1134/S1064229308040066
[15] Oyinlola, E.Y. (2007) Effect of Boron Fertilizer on Yield and Oil Content of Three Sunflower Cultivars in the Nigerian Savanna. Journal of Agronomy, 6, 421-426.
http://dx.doi.org/10.3923/ja.2007.421.426
[16] O’Neill, M.A., Ishii, T., Albersheim, P. and Darvill, A.G. (2004) Rhamnogalacturonan II: Structure and Function of a Borate Cross-Linked Cell Wall Pectic Polysaccharide. Annual Review of Plant Biology, 55, 109-139.
http://dx.doi.org/10.1146/annurev.arplant.55.031903.141750
[17] da Silva, C.A.T., Cagol, A., da Silva, T.R.B. and Nobrega, L.H.P. (2011) Boron Application before Sowing of Sunflower Hybrids. Journal of Food, Agriculture and Environment, 9, 580-583.
[18] Zahoor, R., Basra, S.M.A. Munir, H., Nadeem, M.A. and Yousaf, S. (2011) Role of Boron in Improving Assimilate Partitioning and Achene Yield in Sunflower. Journal of Agriculture and Social Sciences, 7, 49-55.
[19] Renukadevi, A. and Savithri, P. (2003) Sunflower (Helianthus annuus L.) Oil Yield and Quality as Influenced by Boron Application. Madras Agriculture Journal, 91, 74-76.
[20] Shekhawat, K. and Shivay, Y.S. (2008) Effect of Nitrogen Source, Sulphur and Boron Levels on Productivity, Nutrient Uptake and Quality of Sunflower (Helianthus annuus L.). Indian Journal of Agronomy, 53, 129-134.
[21] Ghani, A., Hussain, M. and Qureshi, M.S. (2000) Effect of Different Irrigation Regimens on the Growth and Yield of Sunflower. International Journal of Agriculture and Biology, 2, 334-335.
[22] Khan, A., Iqbal, M., Ahmad, I., Iqbal, N. and Hussain, M. (2000) Effect of Different Water Stress Levels on Yield and Oil Content of Sunflower (Helianthus annuus L.) Cultivators. Pakistan Journal of Biological Sciences, 3, 1632-1633.
http://dx.doi.org/10.3923/pjbs.2000.1632.1633
[23] Parkash, Y.R. and Mehra, P.M. (2006) Growth and Yield of Sunflower as Influenced by Nitrogen and Boron Nutrition. (CAB ABSTRACT).
[24] Bilen, S., Bilen, M. and Bardhan, S. (2011) The Effect of Boron Management on Soil Microbial Population and Enzyme Activities. African Journal of Biotechnology, 10, 5311-5319.
[25] Reddy, N.Y.A., Shaanker, R.U., Prasad, T.G. and Kumar, M.U. (2003) Physiological Approaches to Improve Harvest Index and Productivity in Sunflower. Helia, 26, 81-90.
http://dx.doi.org/10.2298/HEL0338081R
[26] de Castro, C., Moreira, A., de Oliveira, R.F. and Dechen, A.R. (2006) Boro e estresse hídrico na produçao do girassol. Ciência e Agrotecnologia, 30.
http://dx.doi.org/10.1590/S1413-70542006000200004