Floriculture is one of the highest foreign exchange earners in Kenya and also a significant employer. However, the sector is faced by the problem of postharvest losses which is due to reduced vase life of most cut-flowers. The aim of the study was to assess the efficacy of plant extracts from thyme in preservation of rose (Rosa hybrida) cut-flowers. A randomized complete block design in a factorial arrangement with three replications was used. Two rose cut-flower cultivars, ‘radiance’ and ‘high and sparkling’ were subjected to thyme extracts and chrysal treatment each at concentrations (0gL-1, 0.2gL-1, 0.4gL-1, and 0.6gL-1). Data was collected on vase life, solution absorption rate a
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