Cassava Genotypes Reaction and Climatic Peculiarities in Trial During Anthracnose Disease Development in Côte D'ivoire

Anthracnose disease is one of the main major biotic constraints to the marketing of mango in Côte d'Ivoire. The objective of this work is to report on the distribution of mango anthracnose disease in the mango production basin in northern Côte d'Ivoire. This study focused on 740 mango trees spread over 20 orchards, consisting mainly of the Kent variety. These orchards are located in three (3) study locations, namely the Bagoué, Tchologo and Poro regions. The study consisted of evaluating the incidence and severity of anthracnose in leaf, fruit and branch organs of 740 mango trees in 20 orchards in the three study regions.

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Sensitivity of Colletotrichum species responsible for banana anthracnose disease to some fungicides used in postharvest treatments in Côte d’Ivoire

International Journal of Environment Agriculture and Biotechnology ◽

10.22161/ijeab/3.2.30 ◽

2018 ◽

Vol 3 (2) ◽

pp. 537-542

Author(s):

Luc BELE ◽

Daniel Kra Kouamé ◽

Hortense Diallo Atta

Keyword(s):

Cote D'ivoire ◽

Côte D’Ivoire ◽

Cote D’Ivoire ◽

Anthracnose Disease ◽

Colletotrichum Species ◽

Côte D'ivoire ◽

Postharvest Treatments

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Evaluation of the Behavior of Cashew Genotypes against Anthracnose Disease Aggression in Agroforestry Farms in Northern Côte d'Ivoire

Asian Journal of Research in Crop Science ◽

10.9734/ajrcs/2021/v6i330116 ◽

2021 ◽

pp. 1-13

Author(s):

Brou Kouassi Guy ◽

Doga Dabé ◽

Diarrassouba Nafan ◽

Oro Zokou Franck ◽

N’goran Yao Claude François ◽

...

Keyword(s):

Cote D'ivoire ◽

Côte D’Ivoire ◽

Descriptive Analysis ◽

Agroforestry Systems ◽

Production Plant ◽

Cote D’Ivoire ◽

Anthracnose Disease ◽

The North ◽

Côte D'ivoire ◽

Group 2

As in all cashew producing areas, anthracnose causes enormous production losses in cashew agroforestry farms in Côte d'Ivoire. To overcome this problem, the use of anthracnose-resilient production plant material in cashew forest agrosystems is becoming a necessity for sustainable development. Thus, this study was carried out with the aim of evaluating the behavior of genotypes of cashew trees cultivated in peasant agroforestry systems in the north of Côte d'Ivoire. To do this, peasant agroforestry cashew orchards were prospected, cashew trees were marked, codified and geolocated. The incidence and severity of anthracnose were then assessed on the marked and geotagged cashew leaves, twigs, inflorescences and fruits. Descriptive analysis of the incidence and severity data revealed that more than 50% of the genotypes studied are resilient to anthracnose with an incidence on nuts in the order of 0.00 ± 5.75%. The ACP explained 52.96% of the total variability observed with the first two axes. The CAH made it possible to structure these genotypes into four groups. MANOVA showed that genotypes in groups 2 and 4 exhibited traits of resilience against anthracnose disease. Group 2 was characterized by a relative absence of disease in the fruits (0.00 ±0.00) and by very severe infections in the twigs (88.19 ± 2.98). Groups 4 were differentiated by low fruit infections (1.32±0.32) and low incidence on fruits (2.17±1.09). These results should help promote the agroecological management of anthracnose disease, enhance and intensify agroforestry practices in Côte d'Ivoire.

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Agromorphological Determinants Favoring the Spread of Anthracnose Disease in Cashew Agroforestry Farms in Côte d'Ivoire

International Journal of Plant & Soil Science ◽

10.9734/ijpss/2021/v33i930466 ◽

2021 ◽

pp. 50-60

Author(s):

Brou Kouassi Guy ◽

Silue Souleymane ◽

Doga Dabé ◽

Oro Zokou Franck ◽

N’goran Yao Claude François ◽

...

Keyword(s):

Cote D'ivoire ◽

Côte D’Ivoire ◽

Cropping Systems ◽

Descriptive Analysis ◽

Agroforestry Systems ◽

Cote D’Ivoire ◽

Anthracnose Disease ◽

Côte D'ivoire ◽

Hierarchical Ascending Classification ◽

Cashew Tree

Cashew cultivation faces several health problems. Among these problems, anthracnose causes extensive damage to twigs, leaves and fruits and causes loss of yield. The spread of this disease is thought to be determined by certain agromorphological features of the cashew tree. The objective of this study was to search for these agro-morphological determinants that influence the spread of anthracnose disease in agroforestry systems in Côte d'Ivoire. To achieve this objective, 30 cashew trees spread across 26 agroforestry cashew orchards in the Korhogo, Sinématiali and Boundiali departments were chosen and geolocated. The factor studied was the clone, consisting of 30 cashew genotypes, with 15 modalities. The collected data was subjected to descriptive analysis, correlation test, PCA and hierarchical ascending classification (CAH). The results showed that the wingspan, leaf area and size of cashew trees are determinants that promote the spread of anthracnose disease. Following this result, the CAH made it possible to screen the genotypes into three groups. These results could contribute to management of anthracnose disease in agroforestry, to enhance and intensify this cropping systems.

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