International Sugar Journal

Post-release variety testing: a key activity to ensure commercial value of genetic improvements [Full subscriber]

Abstract Post-release variety testing has been a core feature of SASRI’s activities over the last 40 years. This paper reviews the value added from such activities with regard to variety adoption and return on industry investment. Sugarcane post-release testing is unique to South Africa and to date has been conducted separately from the plant breeding project. The testing network engages grower co-operators in a participatory approach. Examples of how knowledge exchange activities have influenced variety adoption trends are illustrated. The contribution of trials to variety adoption is illustrated through a survey of extension specialist opinions. Current limitations to variety adoption…

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