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Effects of Agro-Ecological Practices on the Productivity of Orange-Fleshed Sweet Potato (Ipomoea batatas (L.) Lam) and Soil Fertility in the Sudano-Sahelian Zone of Burkina Faso

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Agricultural Sciences 2023年第12期14卷 1624-1642页

作者： Koulibi Fidèle Zongo Aboubacar Coulibaly Daouda Guebre Aïssatou Naba hervé nandkangre Abdramane Sanon Edmond Hien Centre Universitaire de Tenkodogo Université Thomas Sankara Ouagadougou Burkina Faso Ecole Normale Supérieure Ouagadougou Burkina Faso Centre Universitaire de Ziniaré Université Joseph Ki-Zerbo Ouagadougou Burkina Faso Laboratoire d’étude et de Recherche sur la Fertilité des Sols Institut de Développement Rural Université Nazi Boni Bobo-Dioulasso Burkina Faso Unité de Formation et de Recherche en Sciences de la Vie et de la Terre Université Joseph Ki-Zerbo Ouagadougou Burkina Faso

This study consisted to evaluate the effects of ecological practices on the yield performance of the JEWEL of orange-fleshed sweet potato (Ipomoea batatas (L.) Lam). The study was conducted in a Sudano-Sahelian cropping system (Lantargou, eastern region of Burkina Faso). Agro-ecological practices consisted of the inputs of 3.20 t/ha of compost + 2.45 t/ha of wood ash (CO + WA);4.90 t/ha of wood ash (WA);6.40 t/ha of compost (CO) were compared to control with no inputs (T0). Each treatment was repeated four times. The crop management consisted of plowing, harrowing, raising of ridges with 40 cm height, burying of treatments, transplanting of cuttings, two weeding’s, and using of biopesticide called PIOL for crop protection. Composite soil samples per treatment were also collected at tuber harvest and analyzed to determine the effects of treatments on residual soil fertility. Results showed that the plant heights and diameters under the CO were significantly (P 0. The WA treatment significantly increased the number of large tubers by 43% (P ≤ 0.01) compared to T0. Total tuber numbers, large tuber numbers and tuber yields of sweet potato under CO + WA were significantly (P 0. All treatments increased soil organic matter, N, P and K contents, and reduced soil acidity compared with those obtained under T0. Soil K content was improved by 39% under CO + WA, and soil N content by 34% under WA compared to T0. Soil C/N ratio under CO + WA was reduced by 20% compared others treatments. But, the CO + WA treatment outperformed by improving residual soil N content by 38%, and the WA treatment by increasing soil K content by 50% compared to T0. In addition, soil pHH2O increased by 1.2 units under WA treatment compared to T0. As conclusion, the application of 6.4 t/ha of c

关键词： Orange-Fleshed Sweet Potato Compost Wood Ash Vegetative Growth Yield Soil Residual Fertility

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Molecular Characterization Using Microsatellites of Bambara Nut (<i>Vigna subterranea</i>[L] Verdcourt) Landraces Cultivated in Burkina Faso

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Agricultural Sciences 2021年第10期12卷 1119-1128页

作者： Diane Judicaëlle Kambou hervé nandkangre Adjima Ouoba Abdou Kader Congo N’Golo Moussa Konate Wend-Pagnangdé Marie Serge Félicien Zida Nerbéwendé Sawadogo Mahamadou Sawadogo Mahama Ouedraogo Université Joseph KI-ZERBO UFR-SVT Ecole Doctorale Sciences et Technologies Laboratoire Biosciences Equipe Génétique et Amélioration des Plantes Ouagadougou Burkina Faso Institut de l’Environnement et de Recherches Agricoles (INERA) Département de Productions Végétales Laboratoire de Génétique et de Biotechnologies Végétales Ouagadougou Burkina Faso Centre Universitaire de Tenkodogo/Université Thomas SANKARA Ouagadougou Burkina Faso Centre Universitaire de Ziniaré Université Joseph KI-ZERBO Ouagadougou Burkina Faso Université Norbert ZONGO UFR ST (Sciences et Technologies) Koudougou Burkina Faso

Voandzou is a seed legume cultivated in Burkina Faso with significant nutritional potential. The objective of this study was to assess the genetic diversity of Bambara nut cultivated in Burkina Faso using microsatellite markers. For the study, fifteen SSRs markers were used for molecular characterization of 90 Bambara nut landraces from three agro-climatic zones of Burkina Faso. All markers were 100% polymorphic with an average value of 4.81 for effective alleles. The polymorphism information content (PIC) ranged from 0.654 to 0.867 with a mean of 0.775. Dendrogram classified the accessions in four mixed groups independently of the three agro-climatic zones. This distribution is consistent with the results on the agro-morphological characterization of the same landraces. This information was served as a basic model for breeding and conservation programs of V. subterranea in Burkina Faso.

关键词： Bambara Nut Landraces Genetics Diversity SSR Markers

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