Study of the Growth Parameters of Twenty-Nine Sweet Potato Cultivars [Ipomoea Batatas (L.) Lam., 1793]: Collections in the Various Territories of Maniema Province, DR Congo

Lingot Buledi Amuri; Brakus Yuma Brahimu; Salumu Djumaa; Défi Amuri Assani; Didier Luvengo Darabu; Florent Bondekwe; JC Mozenga Lokela; Jean-claude Esuka Alfani; Benjamin Dowiya Nzawele; Sylvain Solia Edondoto; Albert Okungo Lotokola

Lingot Buledi Amuri
Brakus Yuma Brahimu
Salumu Djumaa
Défi Amuri Assani
Didier Luvengo Darabu
Florent Bondekwe
JC Mozenga Lokela
Jean-claude Esuka Alfani
Benjamin Dowiya Nzawele
Sylvain Solia Edondoto
Albert Okungo Lotokola

Keywords: study, characterization, collection, morphological, sweet potato

Abstract

The main objective of this study was to evaluate the growth performance of 29 sweet potato cultivars [(Ipomoea batatas (L.) Lam., 1793] collected from different territories in Maniema Province. Twenty-nine cultivars were collected in five territories of Maniema province and the city of Kindu. To achieve this, we used an elongated plot design composed of simple rows. The results obtained showed that: the highest number of lobes was observed in cultivar C20 with eight lobes; the longest petiole was observed in cultivar C2 with 28.17 cm; the largest dimensions of the spreading leaves were recorded in cultivars C17 and C10 with 23.67 cm and 23.33 cm respectively; for the length of the main stem, the maximum values were recorded in cultivar C24 with 384.00 cm, followed by cultivar C3 with 330.00 cm; the shortest internodes were noted in cultivars C28 and C21 with 2.33 cm and 2.50 cm respectively. Hierarchical ascending classification (HAC) made it possible to establish a dendrogram illustrating the structuring of sweet potato cultivars into five distinct groups, defined on the basis of their growth characteristics, and another dendrogram illustrating the structuring of sweet potato cultivars into four different groups based on their morphological characteristics of the aerial parts of the plant.

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