An evaluation of Sargassum seaweed media compositions on the performance of hot pepper (Capsicum chinense Jacq.) seedling production
Ramdwar, Marcus N.A. | Stoute, Valerie A. | Abraham, Brandon S. | Moral, Manuel Tejada
There has been a massive influx of Sargassum in the Caribbean causing devastating consequences. The current study investigated the utilization of Sargassum (a mixture of the Sargassum flutens and Sargassum natans species) as a substrate formulated with imported promix. Experiments were conducted during April to May in 2016 to evaluate the performance and quality of hot pepper seedlings using Sargassum-promix formulations. The seedlings were visually evaluated on the 45th day after sowing by an independent panel to visually score seedling quality. At the same time, the sample mean and standard deviation were calculated for each of nine seedling physical characteristics. A one-way MANOVA analysis, with formulation ratio as the independent variable and these nine characteristics as correlated dependent variables, was carried out using SPSS V.22. Introducing Sargassum into the formulation caused statistically significant differences in the majority of the seedling characteristics. However, these actual differences are small and are unlikely to practically impact seedling production except with one characteristic, where the change is beneficial. The treatment formulations of Sargassum significantly improved the sturdiness of the seedlings. Sargassum can be successfully utilized to reduce the reliance on 100% imported commercial promix.
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