Variation de la réponse physiologique et agronomique du niébé (&lt;i&gt;Vigna unguiculata&lt;/i&gt; L.Walp) à différentes dates de semis au Burkina Faso

Kihindo, Adama Pascal; Bazié, Hugues Roméo; Ouedraogo, Razacswendé Fanta; Some, Pépin Patrice; Dondasse, Edmond; Zombré, Gérard; Tozo, Koffi

doi:10.4314/jab.v107i1.1

Cited by 3 publications

(8 citation statements)

References 5 publications

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“…The irrigation water, which is also a source of oxygen, also contributes to lowering the temperature of the soil, a favorable condition for metabolism, root growth and nodules functioning. Kihindo et al, 2016 observed a high root biomass and a high nodules number in cowpea varieties respectively KN1 and KVx61.1 watered every 2 days (Kihindo et al, 2016). Such watering conditions would allow the proper functioning of the rhizobia in the mobilization of atmospheric nitrogen as an essential mineral element for the synthesis of assimilates involved in pod production and grain filling.…”

Section: Discussionmentioning

confidence: 94%

“…In our study, plants under 0D, 10D and 15D watering schemes, however, had low production of root biomass. These watering schemes would have reduced the water supply to plants, causing a decrease in total biomass as observed in cowpea, sesame and soybean (Badiel et al, 2017;Kaboré et al, 2011;Kihindo et al, 2016).…”

Section: Discussionmentioning

confidence: 99%

“…The 5 days watering scheme, which caused more rhizogenesis, would have favored good water mobilization and the drainage of nutrients necessary for the growth of the whole plant. Deficient watering schemes can be perceived as water stress for the plant causing changes in the internal functioning of plants including a reduction in height, diameter at the root neck and total dry biomass of sesame under water deficit conditions (Compaoré, 2011;Hassanzadeh et al, 2009;Kihindo et al, 2016;Shihab et al, 2013;Tantawy et al, 2007).…”

Section: Discussionmentioning

confidence: 99%

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2021

Int. J. Curr. Res. Biosci. Plant Biol.

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Mung bean (Vigna radiata) is grown throughout the world thanks to its short cycle, its great adaptability to climatic conditions and its good digestibility. In Burkina Faso, agriculture is faced with irregular rainfalls, resulting in water stress on plants causing growth and yields reduction. This study aims at identifying supplemental irrigation frequencies that help good mung bean plant to grow and yield. So, four watering schemes were applied to plants aged 26 days, grown in pots on a sandy and silty substrate, in natural conditions of light and temperature during the wet season. The watering regimes concerned a batch of plants watered only by rain (0 day scheme) and three other batches, each watered with tap water in the absence of rain respectively every 5 days, every 10 days and every 15 days. A completely randomized three-replicate block system was set up and agro-morphology parameters were measured. The study showed that the 5 days diet resulted in plants with better growth and good pod yields compared to other watering schemes. These results confirm that supplemental irrigation applied early during drought po0063kets is resilience to the irregularity of rains in the wet season, which is accentuated by climate change.

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Section: Discussionmentioning

confidence: 94%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Untitled

2021

Int. J. Curr. Res. Biosci. Plant Biol.

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“…Ceci aurait permis à ce génotype une forte transpiration et donc une plus grande absorption de l'eau par les racines et une forte capacité photosynthétique. Somé et al, (2014) et Kihindo et al, (2016) ont observé un faible niveau du potentiel hydrique foliaire en conditions du déficit hydrique chez KVX-61-1. Ce qui suggère un ajustement osmotique des cellules dans le but de continuer à prélever le peu d'eau disponible dans les couches profonde du sol, afin de poursuivre les activités physiologiques en dépit de la contrainte hydrique du sol.…”

Section: Discussionunclassified

Performances morpho-physiologiques et agronomiques du niébé [<i>Vigna unguiculata</i> (L.) Walpers] en conditions du déficit hydrique

Harou¹,

Falalou²,

Bakasso³

2019

J. App. Bioscience.

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RESUME Objectif : Ce travail vise à étudier les effets du déficit hydrique intermittent et de la saison de la culture sur certains paramètres morpho-physiologiques et agronomiques à travers une évaluation de son impact sur l'indice de la surface foliaire, la surface foliaire, la biomasse des feuilles et le rendement en graines. Méthodes et résultats : Dix-huit variétés de niébé ont été testés au champ en saisons froide et chaude. Deux traitements hydriques qui sont bien irrigué (BI) et déficit hydrique intermittent (DH) couvrant les stades végétatif et reproductif ont été étudiés. Nos résultats ont montré que la date de 50% floraison a été allongée de 5 jours en moyenne en saison froide sous l'effet du déficit hydrique. L'indice de surface foliaire (LAI), la surface foliaire et la biomasse des feuilles ont été plus élevés en conditions BI. Le DH a significativement réduit le rendement graines de toutes les variétés (P<0,001). La baisse du rendement en graines est de 88% en saison froide contre 67% en saison chaude. L'étude a révélé que les variétés KVX-61-1, IT96D-610 et IT98K-1111-1 sont les plus performantes pour les deux régimes hydrique en termes du rendement. Conclusion et application : L'identification des variétés précoces et/ou tolérantes à la sécheresse intermittente pouvant améliorer la culture du niébé au stade végétatif et/ou reproductif pourrait permettre d'augmenter le rendement et affecter la production de cette culture au Niger.

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“…The quantity of transpired water is given by the following relationship. Tr = (PPn+1 -PPn); where PPn and PPn+1 are the weights of the pots taken at consecutive measurement times and Tristhe transpiration measurement (Kihindo et al, 2016).…”

Section: Leaf Transpirationmentioning

confidence: 99%

Untitled

2023

Int. J. Curr. Res. Biosci. Plant Biol.

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The study was aimed at investigating the effect of supplemental irrigations on physiological and agronomic responses of mungbean through evaluation of transpiration, leaf water potential, chlorophyll content and seeds yield during drought pockets. A completely randomized block device with three replications was used to conduct the rainy season study. Four watering regimes were applied from the 26th day after seed sowing and during drought pockets: rain only (0J), tap water after 5 days without rain (5J), after 10 days without rain (10J) and after 15 days without rain (15J). Supplemental irrigation had a significant effect on transpiration, leaf water potential and chlorophyll content of plant leaves. Leaf water potential was the lowest and the highest transpiration at 70 DAS under the 5J supplemental irrigation regime, with higher chlorophyll content. The study also revealed that the frequency of irrigation every 5 days without rain significantly improved the harvest index (p≤0.004), the number and mass of seeds per plant (p≤0.001), justifying the choice of this water treatment for a better production of well-filled seeds and tops.

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Variation de la réponse physiologique et agronomique du niébé (<i>Vigna unguiculata</i> L.Walp) à différentes dates de semis au Burkina Faso

Abstract: Kihindo et al., J. Appl. Biosci. 2016.Variation de la réponse physiologique et agronomique du niébé (Vigna unguiculata L.Walp) à différentes dates de semis au Burkina Faso.

Cited by 3 publications

References 5 publications

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Performances morpho-physiologiques et agronomiques du niébé [<i>Vigna unguiculata</i> (L.) Walpers] en conditions du déficit hydrique

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