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Morphological Characterisation of Wild Rubus rosifolius (Rosaceae) Plants Growing in Jamaica Prior to Agricultural Pursuits
Caribbean Journal of Science ( IF 0.4 ) Pub Date : 2021-02-01 , DOI: 10.18475/cjos.v51i1.a1
Theresa F. Rambaran 1 , Joape Ginigini 2 , Patricia A. McLenachan 3 , Camille S. Bowen-Forbes 1 , Sylvia Adjoa Mitchell 4
Affiliation  

Precise identification of plants is critical for informed agriculture where nutraceutical properties and productivity are simultaneously important. The Jamaican-grown West Indian raspberry (Rubus rosifolius) falls into this category. The first step to taking this wild-growing plant into agricultural production is morphological identification. Although there are no botanical reports of multiple varieties of this species in Jamaica, two morphotypes were found, which were named ‘Red' and ‘Wine Red’ based on fruit colour. Morphological methods were used to characterise these plants growing at Holywell (located over 900 m above sea level), in the Blue Mountain region of Jamaica. Morphological analyses revealed that growth form, leaf, flower, and fruit characteristics of the morphotypes were statistically distinctive between the two morphotypes for 48 of the 59 measured parameters. Several descriptors allowed the morphotypes to be distinguished before their fruits became visible. These findings support the hypothesis that there is a standard morphotype having a scrambling morphology, smaller leaves, and darker red, oblong, solitary fruits (Wine Red, WR), and a distinct morphotype with more upright stems, larger leaves, and lighter red, spherical, bunched fruits (Red, R). This information can now be used to facilitate molecular analyses and ramp-up clonal production of these morphotypes to determine the agricultural factors that are linked to yield and nutritionally relevant traits.

中文翻译:

在农业追求之前,在牙买加生长的野生蔷薇(蔷薇科)植物的形态特征

植物的精确识别对于营养特性和生产力同时重要的知情农业至关重要。牙买加种植的西印度覆盆子 (Rubus rosifolius) 属于这一类。将这种野生植物用于农业生产的第一步是形态鉴定。虽然在牙买加没有该物种多个品种的植物学报告,但发现了两种形态型,根据果实颜色分别命名为“红色”和“酒红色”。形态学方法用于表征这些生长在牙买加蓝山地区霍利韦尔(海拔 900 米以上)的植物。形态学分析表明,生长形态、叶、花、对于 59 个测量参数中的 48 个,两种形态类型的形态类型和果实特征在统计学上是不同的。几个描述符允许在它们的果实​​变得可见之前区分形态类型。这些发现支持这样一种假设,即存在一种标准形态型,具有杂乱无章的形态、较小的叶子和更深红色的椭圆形单果(酒红,WR),以及具有更直立的茎、更大的叶子和更浅的红色的独特形态型,球形,成束的水果(红色,R)。这些信息现在可用于促进分子分析和提高这些形态型的克隆生产,以确定与产量和营养相关性状相关的农业因素。几个描述符允许在它们的果实​​变得可见之前区分形态类型。这些发现支持这样一种假设,即存在一种标准形态型,具有杂乱的形态、较小的叶子和较深的红色、椭圆形、单果(酒红,WR),以及具有更直立的茎、较大的叶子和较浅的红色的独特形态型,球形,成束的水果(红色,R)。这些信息现在可用于促进分子分析和提高这些形态型的克隆生产,以确定与产量和营养相关性状相关的农业因素。几个描述符允许在它们的果实​​变得可见之前区分形态类型。这些发现支持这样一种假设,即存在一种标准形态型,具有杂乱的形态、较小的叶子和较深的红色、椭圆形、单果(酒红,WR),以及具有更直立的茎、较大的叶子和较浅的红色的独特形态型,球形,成束的水果(红色,R)。这些信息现在可用于促进分子分析和提高这些形态型的克隆生产,以确定与产量和营养相关性状相关的农业因素。以及具有更直立的茎、更大的叶子和更浅的红色、球形、束状果实的独特形态类型(红色,R)。这些信息现在可用于促进分子分析和提高这些形态型的克隆生产,以确定与产量和营养相关性状相关的农业因素。以及具有更直立的茎、更大的叶子和更浅的红色、球形、束状果实的独特形态类型(红色,R)。这些信息现在可用于促进分子分析和提高这些形态型的克隆生产,以确定与产量和营养相关性状相关的农业因素。
更新日期:2021-02-01
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