Exploration and morphological characteristics of Robusta Coffee in Bengkulu
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Abstract
The results of the exploration of robusta coffee from the mid- and highlands of Bengkulu (700-1200 m above sea level) are produced 24 robusta coffee accessions. All robusta coffee accessions can be characterized because the overall data on the plants (trees, branches, leaves, flowers, fruits, and seeds) can be observed. The results of the morphological characterization of the 24 coffee accessions produced dissimilarity coefficients ranging from 0.0 to 0.25. Based on the dendrogram, the highest dissimilarity coefficient was obtained in group 2 at 0.25, while the lowest was in group 1 at 0.23. Group 1 consisted of 23 accessions, namely SNTR3, SGR, SNTR1, MRD, TJA, LBR, PCU, LNU, BKO, AUG, BRT, THM, TLS, RBP, SHNC, MKR, SBS, CRQ, CRP, SNTR2 TPS CRR, and ERG. The accessions in group one had a dissimilarity of 0.23 (similarity of 0.77). This group had similarities in the angle of insertion of the primary branches on the main stem (semi-erect) and seed color (brown). Group 2 consisted of only one accession, namely TUR. In group 2, the similar characteristics are leaf shape (obovate), seed color (yellow), and seed shape (elliptical). Group 2 does not share any similarities with group 1 in terms of ripe fruit color (black), whereas group 1 has yellow-orange, orange, and red colors, and flowering on old wood is present, whereas group 1 does not meet these characters
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