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La multiplication vegetative des plants d’anacardiers est la seule alternative pour le moment au Benin qui permet d’obtenir des plantations homogenes a productivite elevee. Cette recherche conduite sur le site de l’URPA/BA a Parakou vise a ameliorer le taux de reussite du greffage chez l’anacardier en pepiniere dans le Nord-Benin. Pour cette etude, deux saisons climatiques ont ete testees a savoir : la saison pluvieuse et la saison seche. Deux types de greffes a savoir le greffage en fente et par placage de cote. Le dispositif experimental installe est celui de Fisher comportant six traitements et deux repetitions. Differentes longueurs de greffons sont experimentees : 12 cm ; 14 cm et 15 cm. Les resultats de cette etude revelent une difference significative (P 0.05) d’un traitement a un autre. Ces resultats montrent que les greffons de tres petites longueur (12 cm) donnent de tres faible taux de reprise (11.11%) contrairement aux greffons de longueur 14 cm et 15 cm. Ces deux dernieres qualites de greffons assurent respectivement de bon taux de reprise quel que soit le type de greffe et la saison. Pour un meilleur taux de multiplication de l’anacarde par greffage dans la commune de Parakou, il est donc imperieux que les greffeurs de cette region utilisent des greffons de tailles comprises entre 14 et 15 cm tout en prenant soin de pratiquer le greffage des l’arrivee des pluies. © 2017 International Formulae Group. All rights reserved. Mots cles: Anacardier, greffage en fente, greffage par placage, longueur de greffons, Parakou English Title: Contribution to the improvement of the success rate of the grafting of cashew ( Anacardium occidentale ) in the nursery in the municipality of Parakou in Northern Benin English Abstract The vegetative propagation of cashew plants is nowadays the only way in Benin that allows for homogeneous plantations with high productivity. This research conducted in the site of the URPA/BA at Parakou aimed at improving the success rate of cashew grafting in nursery in Northern Benin. For this study, two climate seasons have been tested: the rainy season and the dry season. Two types of transplants: transplant in slot and veneer side grafting. The experimental device installed is the one Fisher with six treatments and two repetitions. Different lengths of grafts are experienced: 12 cm; 14 cm and 15 cm. The results of this study reveal a significant difference (P 0,05) from one treatment to another. These results show that the grafts of very small length (12 cm) give very low recovery rate (11.11%) contrary to the grafts of 14 cm and 15 cm length. These last two qualities of grafts ensure respectively good rate of recovery or of the type of transplant and season. For a better multiplication rate of cashew tree by grafting in the municipality of Parakou, it is therefore imperative that grafters in that area use grafts of sizes between 14 and 15 cm while making sure to practice grafting as soon as the arrival of rains. © 2017 International Formulae Group. All rights reserved. Keywords: cashew, grafting in slot, grafting by veneer, length of grafts, Parakou

international journal of biological and chemical sciences

Contribution à l’amélioration du taux de réussite du greffage de l’anacardier (&lt;i&gt;Anacardium occidentale&lt;/i&gt;) en pépinière dans la commune de Parakou au Nord-Bénin