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Ravinder Reddy, Ch and Tonapi, V A and Nigam, S N and Reddy, B V S and Ashok Kumar, A and Janila, P (2013) Low cost seed testing method for small-scale farmers. Leisa India, 15 (4). p. 33.
Ravinder Reddy, Ch and Kumar, A A and Tonapi, V A and Reddy, B V S and Janila, P (2012) Farmer eabled vllage seed banks as the edifice of integrated seed system for improved access, production and supply of groundnut seed in Andhra Pradesh - A Case Study. International Journal of Development Studies, 4 (1). pp. 152-160. ISSN 0975-5799
Ravinder Reddy, C H and Tonapi, V A and Bezkorowajnyj, P G and Navi, S S and Seetharama, N (2007) Seed System Innovations in the Semi-Arid Tropics of Andhra Pradesh. Monograph. International Crops Research Institute for the Semi-Arid Tropics, Patancheru, Andhra Pradesh, India.
Tonapi, V A and Wirojwattanakul, K and Vinh, D V and Thein, M M and Navi, S S and Tooley, P W (2003) Prevalence of sorghum ergot in southeast Asia. International Sorghum and Millets Newsletter, 44. pp. 95-97.
Ravinder Reddy, Ch and Tonapi, V A and Alur, A S and Reddy, B V S and Gowda, C L L and Rao, P P and Rai, K N (2003) Resurgence of sorghum foods in urban areas and alternate uses of sorghum grain. Comprehensive Agri-commodity Intelligence , 7 (1). pp. 1-12.
Tonapi, V A and Ryley, M J and Galea, V and Bhuiyan, S and Wearing, A (2003) Simple techniques for production of secondary conidia and ergot inoculation in sorghum. International Sorghum and Millets Newsletter, 44. pp. 97-99.
Tonapi, V A and Navi, S S and Bandyopadhyay, R (2003) Variability and viability of sorghum ergot sclerotia. International Sorghum and Millets Newsletter, 44. pp. 99-100.
Navi, S S and Bandyopadhyay, R and Tonapi, V A and Rao, T G N and Tooley, P W and Reddy, R K and Indira, S and Pande, S (2002) Prevalence of ergot of sorghum in India. International Sorghum and Millets Newsletter, 43. pp. 70-71.