OAR@ICRISATStratification of pearl millet testing sites in the SADC regionM AMgonjaauthorE SMonyoauthorS CChandraauthorDMurambadoroauthorEChinhcmaauthorMaximization of crop productivity requires accurate selection and targeting of cultivars for appropriate production areas. The number and location of testing sites are critical factors that affect the efficiency of and potential gains from breeding. The selected testing sites must be representative of the conditions of target production areas. Within a large region such as SADC, knowledge of underlying production zones within the region could help not only in choosing appropriate testing sites, but also in objective targeting of cultivars for production (Peterson 1992). The availability of long-term yield data from regional trials conducted in the SADC region over the past decade provides a unique opportunity to identify intra-regional production zones based on grouping of previously used testing sites with respect to their similarities in cultivar response to varying production conditions.Millets2000International Crops Research Institute for the Semi-Arid TropicsArticle

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