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La productivite de la morelle noire est faible sur les sols surexploites dans les zones periurbaines de Brazzaville. L’objectif etait d’evaluer l’apport de la terre des termitieres sur la croissance vegetale de trois cultivars de la morelle noire. Les termitieres collectees ont ete broyees, tamisees et amendees les planches de 3 m x 1,2 m. Une planche ayant recu 0 kg, 2 kg, 4 kg et 6 kg de terre des termitieres, 60 plants d’un cultivar ont ete repiques aux ecartements 20 x 20 cm selon un schema bi factoriel complet 4 x 3 loge dans un dispositif en bloc completement randomise. Les traitements ont ete repetes trois fois. Les resultats ont revele une meilleure croissance en hauteur et en diametre ainsi qu’un meilleur developpement foliaire des plants amendes avec les doses de la terre des termitieres en comparaison de ceux n’en ayant pas recu. L’apport de 6 kg de terre des termitieres montre une influence positive sur le developpement racinaire de plants des trois cultivars. L’apport 2 kg, 4 kg et 6 kg de terre de termitieres ameliore la croissance vegetative et le rendement en biomasses aerienne et souterraine de trois cultivars de morelle noire cultives au Congo. © 2020 International Formulae Group. All rights reserved. Mots cles: Congo, fertilisation, termitieres champignons, croissance vegetative, Solanum nigrum L. English Title: Effect of the termite mounds on the vegetative production of three cultivars of black nightshade (Solanum nigrum L.: Solanaceae) grown in Brazzaville, Congo English Abstract The productivity of black nightshade is low on the overexploited soils in the suburban areas of Brazzaville. The objective was to evaluate the contribution of termite mound on the plant growth of three black nightshade cultivars. The termite mounds were collected, crushed, sieved and amended the planks of 3m x 1.2m. A board having received 0 kg, 2 kg, 4 kg and 6 kg of termite mounds, 60 plants of a cultivar were transplanted at 20 x 20 cm intervals according to a complete 4 x 3 bi-factorial diagram housed in a block plan completely randomized. The treatments were repeated three times. The results showed better growth in height and diameter, as well as better foliar development of seedlings amended with termite mounds compared to those that did not. The contribution of 6 kg of termite mound had a positive influence on the root development of the three cultivars. The contribution of 2 kg, 4 kg and 6 kg of termite mound improved vegetative growth and yield in aboveground and belowground biomass of three black nightshade cultivars grown in Congo. © 2020 International Formulae Group. All rights reserved. Keywords: Congo, cultivar, fertility, Termite fungi, vegetative production, Solanum nigrum L.

international journal of biological and chemical sciences

Effet de la terre des termitières sur la croissance de trois cultivars de la morelle noire (&lt;i&gt;Solanum nigrum&lt;/i&gt; L. : Solanaceae) cultivée à Brazzaville (Congo)