Agronomic performance, genotype x environment interaction, and stability of leaf yield of Jute mallow (Corchorus olitorius L.) in Burkina Faso
- Agrobiodiversity , 3 (3) : 106-114
Résumé
Jute mallow is a leafy vegetable cultivated in urban and peri-urban farming systems in Burkina Faso. This research aims to select high-yielding and stable Jute mallow genotypes through evaluation in three locations. To do this, 20 genotypes were tested at three locations across Burkina Faso. The agronomic data were subjected to two-way analysis of variance and Genotype plus Genotype by Environment (GGE) biplot analysis using R software. The results revealed highly significant (p < 0.01) differences among genotypes for all agronomic traits. In addition, highly significant genotype × environment (GEN × ENV) interactions were observed for all traits. Comparative analysis of the average performance of the genotypes studied showed that plant heights ranged from 78.708 to 134.556 cm for genotypes AZIGA and HBV9. Regarding plant height (134.556 cm), stem diameter (15.181 mm), and number of branches per plant (21.741), HBV9 exhibited the best performance. Related to leaf yield, SKY1 exhibited the highest performance. However, the lowest yield (3.236 t/ha) was observed for genotype GIT. The GGE biplot analysis depicted the adaptation patterns of genotypes across environments and the discriminative ability of the testing environments. Thus, the genotype SBL1, with the potential of combining high yield with stable performance, can be recommended for dissemination in Burkina Faso.
Mots-clés
GGE, Corchorus olitorius, Opportunity crop, Plant breeding, Leafy vegetable, Genotype-environment interaction