Working Document Series Open Access Screening of selected cassava genotypes for resistance to Cassava Brown Streak Disease by mechanical grafting in Southern Mozambique Z. Anabela · H. Magaia · A. Mondjana · E. Oyesigye Cassava brown streak disease (CBSD) is a major biotic stress of cassava in Southern, Eastern and Central Africa. It is caused by two virus species; the Ugandan cassava brown streak virus (UCBSV) and the cassava brown streak virus (CBSV). T… RUF-37490 2016 CC BY 4.0 10 Apr 2018