Amal Al-Abbadi (2017). Effects of different honeybee races on morphological and reproduction characters of honeybee queens grown under Jordan apiaries conditions. Res. Crop. 18: 370-78.
Arya, D. R., Sihag, R. C. and Yadav, P. R. (1994). Role of insect pollination in seed yield of sunflower, (Helianthus annuus L.). Indian Bee J. 56: 179-82.
Calmasur, O. and Ozbek, H. (1999). Pollinator bees (Hymenoptera, Apoidea) on sunflower, (Helianthus annuus L.) and their effects on seed setting in the Erzurum Region. Turk. J. Biol. 23: 73-79.
Ditta, Y. A. and King, A. J. (2017). Recent advances in sunflower seed meal as an alternate source of protein in broilers. World's Poultry Sci. J. 73: 527-42.
Du Toit, A. P. (1990). The importance of certain insects as pollinators of sunflower (Helianthus annuus L.). South Afr. J. Plant Soil 7: 159-62.
Guruprasad, G. S. (2001). Maximization of niger productivity through enhancement of bee pollination. M. Sc. (Agri.) thesis, University of Agricultural Sciences, Dharwad, India.
Kalyar, T., Rauf, S., Teixeira Da Silva, J. A. and Shahzad, M. (2014). Handling sunflower (Helianthus annuus L.) populations under heat stress. Archives Agron. Soil Sci. 60: 655-72.
Khan, F., Mazid, M., Khan, T. A., Quddasi, S., Roychowdhury, R. and Naqvi, N. (2013). Application of sesquiterpene (GA3) to spermology: A contradictory report. Res. J. Biol. 1: 45-51.
Kulkarni, S. N. and Dhanorkar, B. K. (1998). Effect of Apis cerana indica on niger seed production in Marathawada region. Paper presented at FAO Workshop on Sustainable Bee Keeping Development, Dharwad, India. Pp. 1-5.
Kumar, M. and Singh, R. (2003). Pollination efficiency of Apis mellifera in seed production of sunflower, (Helianthus annuus L.). J. Entomol. Res. 27: 131-34.
Mahmood, A. N. and Furgula, B. (1983). Effect of pollination by insects on seed oil percentage of oil seed sunflower. Ame. Bee J. 129: 663-67.
Nderitu, J., Nyamasyo, G., Kasina, M. and Oronje, M. L. (2008). Diversity of sunflower pollinators and their effect on seed yield in Makueni district, Eastern Kenya. Spanish J. Agric. Res. 6: 271-78.
Oz Mehmet, Abdullah Karasu, Ibrahim Cakmak, Abdurrahim Tanju Goksoy and Zeki Metin Turan (2009). Effects of honeybee (Apis mellifera) pollination on seed set in hybrid sunflower (Helianthus annuus L.). Afr. J. Biotech. 8: 1037-43.
Panda, P., Sontakke, B. K. and Panda, B. (1993). Effect of different modes of pollination on yield of sunflower and niger. J. Insect Sci. 6: 75-77.
Rajasri, M., Kanakadurga, K., Rani, V. D. and Anuradha, C. (2012). Honeybees–Potential pollinators in hybrid seed production of sunflower. Int. J. Appl. Biol. Pharm. 3: 216-21.
Sattagi, H. N., Rajasekhar, D. W. and Kulkarni, K. A. (2001). Effect of bee pollination in niger seed production. Paper Presented at Natl. Symp. Environ. Evolution. Biology, March 1-3, Dharwad, India. Pp. 37.
Vaishampayan, S. and Sinha, S. N. (2000). Effect of caging on bee behaviour and pollination efficiency of Apis mellifera on seed production of hybrid sunflower. Agric. Sci. Digest 20: 81-83.
Yadav, R. N., Sinha, S. N. and Singhal, N. C. (2002). Honeybee (Apis spp.) pollination in sunflower hybrid seed production: Effect of planting design on honeybee movement and its operational area. Apimondia Standing Commission of Pollination and Bee Flora. http:// www.apimondia.org/apiacta/slovenia/en/yadav.pdf.