@INPROCEEDINGS {GOERGEN:2012, title = {Scale insects on yams in Benin: diversity, incidence and farmers' knowledge and perceptions}, author = {Goergen, G. and Dossou, R. * and Asiedu, R. and Hanna, R. }, booktitle = {Tropical Roots and Tuber Crops and the Challenges of Globalization and Climate Changes. Proceedings of the 11th triennial Symposium of the ISTRC-AB, 4 to 8 October 2010}, year = {2012}, month = {February}, pages = {411--413}, organization = {ISTRC-AB}, location = {Ibadan, Nigeria}, address = {IITA, Ibadan}, note = {RTB; Root and Tuber; Yam.; Proceedings of the 11th triennial Symposium of the ISTRC-AB held at Memling Hotel, Kinshasa, Democratic Republic of Congo from 4 to 8 October, 2010}, }