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Improving brown budding efficiency in cacao, Theobroma cacao L.: effects of twig manipulation and some control treatments of fungal infection on new sprouts

Aikpokpodion Peter O., Badaru Kolawole, Eskes Albertus. 2003. Improving brown budding efficiency in cacao, Theobroma cacao L.: effects of twig manipulation and some control treatments of fungal infection on new sprouts. Crop Protection, 22 (1) : pp. 1-6.

Journal article ; Article de revue à facteur d'impact
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Abstract : The very low level of success (about 15%) in patch budding of cacao, Theobroma cacao L. in the West African sub-region has been attributed to poor union success and deaths of new sprouts due to fungal infection. Trials at Cocoa Research Institute of Nigeria (CRIN) headquarters, Ibadan (Lat. 07°10'N Long. 03°52'E at alt. 122 m above mean sea level) showed that twig manipulation methods significantly affected bud-take (p<0.0001). The ringing method applied to twigs 2 days before actual budding gave significantly (p<0.05) more initial bud-take (70.0%) than the conventional method (54.0%). A dip treatment of budwood for 3 min in a solution of benomyl-active (Benlate®) fungicide at the rate of 5 g/4.5 1 of water, following an initial surface sterilization with 50% alcohol significantly reduced die back of nursery budding sprouts due to Botryodiplodia infection. A mean final bud-take of 62.0% on 3-month old budding sprouts was recorded for this treatment as compared with 28.0% in the conventional method. A procedural strategy is suggested to involve ringing twigs from which budwoods are to be collected 2 days before actual budding and cleaning the rootstocks and budwoods in benomyl solution (5 g/4.5 1 water) after an initial surface sterilization with 50% alcohol to improve brown budding efficiency. (Résumé d'auteur)

Mots-clés Agrovoc : Theobroma cacao, Écussonnage, Maladie fongique, Botryodiplodia, Fongicide, Bénomyl, Greffage, Contrôle de maladies

Mots-clés géographiques Agrovoc : Nigéria

Classification Agris : H20 - Plant diseases

Auteurs et affiliations

  • Aikpokpodion Peter O., CRIN (NGA)
  • Badaru Kolawole, CRIN (NGA)
  • Eskes Albertus, CIRAD-CP-CACAO (FRA)

Autres liens de la publication

  • Document en bibliothèque
  • Localisation du document : CD_BR11285 [(Bibliothèque de Lavalette)] ; CD_BR12535 [(Bibliothèque de Lavalette)] ; CD_PE119 [(Bibliothèque de Lavalette)]

Source : Cirad - Agritrop (https://agritrop.cirad.fr/511154/)

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