Boka Arsène

Boka Arsène
Université Nangui Abrogoua · Department of Botany and Phytotherapy

Doctor of plant pathology

About

7
Publications
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Introduction

Publications

Publications (7)
Article
Full-text available
Rice brown spot caused by the fungus Bipolaris oryzae is one of the constraints affecting the productivity of rice (Oryza sativa L.) in Côte d'Ivoire. As an effort to find ways of controlling this disease, the efficacy of the fungicide NATIVO 300 SC (trifloxystrobin 100 g l-1 + tebuconazole 200 g l-1) was tested in field conditions at Gbombélo in w...
Article
Full-text available
L’helminthosporiose est l’une des maladies fongiques majeures, à l’origine des pertes de production rizicole en Côte d’Ivoire. Dans le but de réduire ces pertes, une étude portant sur l’évaluation de l’efficacité du fongicide ANTRACOL 70 WP (Propineb 70%) a été réalisée sous pression naturelle de maladie. Trois doses du fongicide ANTRACOL 70 WP (1,...
Article
Full-text available
An assessment of rice crop resistance to Bipolaris oryzae, a causal agent of rice brown leaf spot or helminthosporium disease was carried out. Ten (10) irrigated and upland rice varieties were used in this study. Seven (7) isolates of B. oryzae from Burkina Faso, seven (7) from Côte d’Ivoire and six (6) from Togo were used. The ten (10) varieties w...
Article
Full-text available
Rice is the first cereal consumed in Côte d'Ivoire, but not sufficiently produced locally. Production deficit is covered by annual imports which cost on average 223 billion CFA francs. Also, State decided, through the implementation of a National Rice sector Development Strategy (SNDR), to ensure self-sufficiency in 2018. At agronomic level, System...
Article
Full-text available
La pyriculariose (Pyricularia oryzae ou Magnaporthe grisea), la panachure jaune, (Rice yellow Mottle Virus ou RYMV), l’helminthosporiose (Helminthosporium oryzae ou Bipolaris oryzae) et la cécidomyie africaine des galles de riz (Orseolia oryzivora) sont les principales contraintes biotiques majeures qui causent plus de dégâts à la riziculture en Cô...
Article
Full-text available
La production rizicole locale en Côte d’Ivoire est déficitaire de plus 900 000 tonnes de riz blanchi à ce jour. Aussi, l’Etat importe depuis plusieurs années du riz afin de satisfaire la demande sociale. Les dégâts d’oiseaux constituent l’une des contraintes biotiques majeures à la base de cette faible productivité en riziculture. Traditionnellemen...