SNP Genotyping data for Guadeloupean and Haitian coffee trees

The West Indies, particularly former French colonies like Haiti and Guadeloupe, were central to the spread of coffee in the Americas. The histories of these Islands are shared until the XIXth century, where they diverged significantly. Still, both Islands experienced a strong decline in their coffee sector. Characterizing the genetic and varietal diversity of their coffee resources and understanding historical factors shaping them can help support revitalization efforts. To that end, we performed KASP-genotyping of 80 informative SNP markers on field samples from across main coffee-growing region of Guadeloupe, and two historically important ones in Haiti, as well as 146 reference accessions from international collections, and acquired data from published sources. While most samples are Coffea arabica, other species are represented, namely C. canephora, C. liberia, and C. congensis

加勒比地区，尤其是海地和瓜德罗普等前法国殖民地，在美洲咖啡的传播中占据核心地位。这些岛屿的历史直至19世纪以前相互交织，随后出现了显著分化。然而，两个岛屿的咖啡产业均经历了剧烈的衰退。描绘其咖啡资源的遗传和品种多样性，并理解塑造这些特性的历史因素，有助于支持振兴工作。为此，我们对瓜德罗普主产咖啡区域及海地两个历史重要的咖啡种植区收集的样本进行了80个信息SNP标记的KASP基因分型，同时获取了来自国际收集的146个参考材料，以及从已发表的资料中收集的数据。虽然大多数样本为阿拉伯咖啡（Coffea arabica），但也涵盖了其他物种，例如罗布斯塔咖啡（C. canephora）、利比里亚咖啡（C. liberia）和刚果咖啡（C. congensis）。