Tolerance of citrus genotypes towards Pseudocercospora leaf and fruit spot disease in western highlands zone of Cameroon

Ndo, Eunice Golda Danièle; Kuaté, Jean; Wonfa, C.S. Sidjeu; Tchio, Félix; Abanda, F.X. Ndzana; Kemayou, C. Mbieji; Mvondo, Etienne Akoutou; Ndjoumoui, C. Amele; Mbang, Joseph Amang a

doi:10.1016/j.cropro.2019.05.022

Cited by 8 publications

(12 citation statements)

References 8 publications

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“…One of these interactions is the action of diseases. The structural characteristics of CBAFS can contribute to control of these [20,30,51,52]. Studies in these cropping systems and on various pathosystems have shown that spatial structure of species is important in reducing diseases development [49,52].…”

Section: Complex Cocoa-based Agroforest Systems and Structural Characteristicsmentioning

confidence: 99%

“…Following the method illustrated in Ngo Bieng [55], a typology of spatial structure was build based on the spatial structure of the citrus trees in the study plots. In a first step, the horizontal spatial structure was characterized on the citrus trees in each plot, using the L(r) modified Ripley function [20,61,63] . The L (r) function is based on the calculation of the expected number of neighbor trees (Figure 2), within a distance ≤ to r of any point of the study pattern.…”

Section: Effect Of Spatial Structure Of Citrus Into Cocoa Based Agroforest Systems On Citrus Diseasesmentioning

confidence: 99%

“…So, it is necessary to determine an optimum shading that allows a good compromise between plant growth and reduces PLFSD incidence. This optimum can vary according to the climatic and sanitary conditions of the plantations under consideration [18,20,52]. Another experiment conducted in 26 cocoa-based agroforestry systems showed the effect of shading on the spread of CDP and citrus scab disease.…”

Section: Effect Of Shade Intensity Management On Cdp and Plfsdmentioning

confidence: 99%

“…However, despite the favorable agroecological conditions throughout the country, the number of production basins identified and even the density of trees in farms, production remains poor [12,17,18]. A diversity of diseases affecting citrus in the country humid zones is the main constraint to their production [8,11,19,20].…”

Section: Introductionmentioning

confidence: 99%

“…Sorting deviations of up to 100% of the production can be recorded in the case of PLFSD, if no treatment measures are taken [27]. Concerning citrus scab, severe attacks on young C. volcameriana plants, for example in the nursery, result in their death [20,28]. CDP significantly limits citrus production in the plots where it is present [29][30][31][32][33][34].…”

Section: Introductionmentioning

confidence: 99%

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Integrated Management Approach to Citrus Fungal Diseases by Optimizing Cocoa-Based Agroforests Structural Characteristics

Danièle¹,

Etienne²

2021

Citrus - Research, Development and Biotechnology

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The health and productivity of citrus are generally jeopardized by a host of diseases, for which the environmental conditions of the cropping system are critical drivers. Several studies conducted on various diseases of perennial crops have shown the involvement of the structural futures of the cocoa-based agroforestry system (CBAFS) in the spread of pathogens and the epidemics development. This chapter highlights the effect of the CBAFS’s structural characteristics on the intensity of three citrus diseases in the humid forest zones of Cameroon. The involvement of CBAFS structural characteristics in diseases regulation is demonstrated. In particular, the spatial structure of citrus in agroforests shows an effect on the spread of diseases. Moreover, distribution of citrus in the CBAFS, with minimum spacing of 12 m between citrus trees, limits the damage caused by Pseudocercospora leaf and fruit spot disease (PLFSD) and citrus diseases caused by Phytophthora (CDP). Dense shading helps to minimize the intensity of diseases such as CDP and PLFSD and Citrus scab disease. This work may make it possible to contribute to the development of an integrated management tool for citrus diseases in an associated crop context.

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Section: Complex Cocoa-based Agroforest Systems and Structural Characteristicsmentioning

confidence: 99%

Section: Effect Of Spatial Structure Of Citrus Into Cocoa Based Agroforest Systems On Citrus Diseasesmentioning

confidence: 99%

Section: Effect Of Shade Intensity Management On Cdp and Plfsdmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Integrated Management Approach to Citrus Fungal Diseases by Optimizing Cocoa-Based Agroforests Structural Characteristics

Danièle¹,

Etienne²

2021

Citrus - Research, Development and Biotechnology

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Farmer’s strategies in the choice of citrus spatial structures in cocoa-based agroforests in Cameroon

et al. 2023

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Microclimatic variations in cocoa-based agroforestry systems affect citrus Phytophthora foot rot disease intensity

Akoutou Mvondo,

Dzokouo Dzoyem,

Bissohon

et al. 2024

Agroforest Syst

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Tolerance of citrus genotypes towards Pseudocercospora leaf and fruit spot disease in western highlands zone of Cameroon

Cited by 8 publications

References 8 publications

Integrated Management Approach to Citrus Fungal Diseases by Optimizing Cocoa-Based Agroforests Structural Characteristics

Integrated Management Approach to Citrus Fungal Diseases by Optimizing Cocoa-Based Agroforests Structural Characteristics

Farmer’s strategies in the choice of citrus spatial structures in cocoa-based agroforests in Cameroon

Microclimatic variations in cocoa-based agroforestry systems affect citrus Phytophthora foot rot disease intensity

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