Morphological Characterization of Gunung Omeh Citrus ( Citrus nobilis Lour) in Guguak District, Lima Puluh Kota Regency

Abstract

The Gunung Omeh citrus (Citrus nobilis Lour.) is one of the priority commodities in the agricultural sector of West Sumatra. It has been cultivated in several locations in Lima Puluh Kota Regency, one of which is Guguak District. Using various cultivation techniques the fruits produced are highly diverse phenotypically. The purpose of this study was to figure out the phenotypic diversity of Gn. Omeh citrus derived from Guguak District based on morphological characters. This study was conducted from April to October 2021. The research used a survey method and descriptive analysis. Ten samples of citrus plants were taken using a purposive sampling technique at each location in Guguak District. The morphological characters observed included those of the stem, leaf, and fruit. Data analysis was carried out by an analysis of genetic diversity. Results of the observation of quantitative characters showed that there were variations across the 5 locations observed. Meanwhile, the observation of qualitative characters showed a broad range of leaf and bud colors across 5 locations. Phenotypic diversity was due to genetic diversity, which in turn was caused by cultivation techniques and planting location altitudes.