First Report on Colletotrichum acutatum of Olives in Morocco

Msairi, Soukaina; Chliyeh, Mohamed; Rhimini, Youssef; Selmaoui, Karima; Mouria, Afifa; Touhami, Amina Ouazzani; Benkirane, Rachid; Douira, Allal

doi:10.9734/arrb/2017/35341

Cited by 4 publications

(5 citation statements)

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“…Phytophthora palmivora was encountered for the first time in Morocco [6]. Its distribution has also been confirmed in different olive-growing regions of Morocco [7,8]. Similarly, the pathogenicity of Phytophthora palmivora was compared with that of Verticillium dahliae [1].…”

Section: Introductionmentioning

confidence: 99%

Detection of Fusarium solani as a Pathogen Causing Root Rot and Wilt Diseases of Young Olive Trees in Morocco

Chliyeh¹,

Msairi²,

Touhami³

et al. 2017

ARRB

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The cultivation of the olive tree has several problems related to pests and diseases that can cause heavy economic losses by causing the death of trees. Fusarium solani was detected in the olive trees of Sidi Taibi's nurseries located in the national road between Kénitra and Rabat in spring 2012 and 2013 (1 to 2% of diseased plants). Koch's postulate was verified in the olive trees variety 'Picholine Moraine', inoculated with F. solani. Three months after inoculation of the plants, the extremities of the young buds began to dry out, then the drying became generalized and the roots of the inoculated plants showed rot and detached from the base of the plants. The pathogen was re-isolated from the roots, dried buds, bark and petioles of the leaves of the inoculated plants; the percentage of isolation was 100%.

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Section: Introductionmentioning

confidence: 99%

Detection of Fusarium solani as a Pathogen Causing Root Rot and Wilt Diseases of Young Olive Trees in Morocco

Chliyeh¹,

Msairi²,

Touhami³

et al. 2017

ARRB

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“…In Portugal, C. acutatum is restricted to the Algarve region, whereas C. nymphaeae, C. simmondsii, and C. godetiae were prevalent in other olive-growing regions (Talhinhas et al, 2009). Presence of C. acutatum has been described in most of the Mediterranean countries, including Tunisia (Chattaoui et al, 2016), Greece (Iliadi et al, 2018), Morocco (Msairi et al, 2017), and Egypt (Embaby et al, 2014).…”

Section: Discussionmentioning

confidence: 99%

“…These include C. acutatum sensu stricto (hereafter C. acutatum), C. fioriniae, C. nymphaeae, C. simmondsii, C. godetiae, and C. rhombiforme Chattaoui et al, 2016;Talhinhas et al, 2018). Among these species, C. acutatum has been described in many Mediterranean countries, including Portugal, Italy, Morocco, Greece, Tunisia, and Egypt (Talhinhas et al, 2005;Rhouma et al, 2010;Embaby et al, 2014;Chattaoui et al, 2016;Msairi et al, 2017;Iliadi et al, 2018).…”

Section: Introductionmentioning

confidence: 99%

Characterization of Colletotrichum strains associated with olive anthracnose in Sicily

Licciardello¹,

Moral

Strano³

et al. 2022

Phytopathol. Mediterr.

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Anthracnose caused by Colletotrichum spp. is the most damaging olive fruit disease in many countries, including Italy. This disease has been sporadically detected in Sicily, but new agronomic practices can increase risk of olive anthracnose in this region. An etiological study of the disease focused on local olive cultivars growing at the International Olive Germplasm Collection (IOGC) in Villa Zagaria, Enna, Sicily has been undertaken. During 2018 and 2019, 137 Colletotrichum strains were isolated from olives. Colony morphology, conidium characteristics, and multilocus sequence analyses aided identification of three species: C. acutatum (affecting 70% of symptomatic olives), C. gloeosporioides, and C. cigarro. Three C. acutatum strains (B13-16, P77, and P185), and one strain of each C. gloeosporioides (C2.1) and C. cigarro (Perg6B) were evaluated for pathogenicity on olive fruits from 11 Sicilian cultivars, known for their high-quality oil. Differences in virulence were detected among strains and their pathogenicity to the cultivars. The C. acutatum isolates were more virulent than those of C. gloeosporioides or C. cigarro. The Sicilian olive cultivars Cavaliera, Carolea, Calatina, and Nocellara del Belice were the most susceptible to the pathogen, while the cultivars Biancolilla and Nocellara Etnea were the most tolerant. Cultivar response under field conditions showed that anthracnose severity and fruit-rot incidence were positively correlated. This is the first report of C. acutatum and C. cigarro affecting olive trees in Sicily. Control measures for anthracnose depend on accurate characterization of the etiological agents and host cultivar resistance.

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“…It affects a diverse array of plants, including fruits, vegetables, cereals, ornamentals, and tree species, resulting in considerable pre-and post-harvest losses [6,[9][10][11][12][13][14]. Although generally considered a host-specific pathogen of lupins [6,15], C. lupini has been reported in non-typical hosts, including olive trees in Morocco [16] and Ceylon cinnamon trees [17]. Colonies of C. lupini grown on Potato Dextrose Agar (PDA) in the dark exhibit a grey to brown coloration with a woolly appearance, producing dark mycelia with an entire margin (Figure 1a).…”

Section: Colletotrichum Lupini: the Causative Agent For Anthracnose I...mentioning

confidence: 99%

Insights into the Pathogenic Mechanisms and the Control Strat-Egies of Anthracnose in Lupins – A Comprehensive Review

Samad,

Gentzbittel,

Bondarenko

et al. 2023

Preprint

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Anthracnose stands as the primary obstacle to lupin cultivation, impeding development despite the considerable agronomic, ecological, and economic potential of such legume crops. This review explores recent efforts to unravel the complexities of anthracnose in domesticated lupins, focusing on both the plant perspective and the causative pathogenic agent, Colletotrichum lupini. Leveraging cutting-edge technologies has yielded crucial insights into various facets of this devastating disease, encompassing plant and pathogen biology, genetic and molecular regulations of the interaction, fungal diversity and population dynamics, and screening of plant genetic resources for anthracnose resistance. The lack of effective disease control measures, relying primarily on the use of disease-free seeds, highlights the need to develop anthracnose-resistant varieties. However, challenges arise from the intricacy of lupin's response to the disease, influenced by polygenic inheritance, in spite of loci with major effects, and environmental factors. The slow pace of genetic improvement underscores the need for more efficient breeding processes, including biotechnological approaches. This review offers a comprehensive overview of current progress and knowledge gaps, stressing the urgent need to further enhance understanding of C. lupini pathogenic mechanisms and lupin‘s resistance. Integrating advanced technologies and accelerated research efforts is paramount for achieving efficient disease management and sustainable lupin cultivation in the face of anthracnose challenges.

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First Report on Colletotrichum acutatum of Olives in Morocco

Cited by 4 publications

References 0 publications

Detection of Fusarium solani as a Pathogen Causing Root Rot and Wilt Diseases of Young Olive Trees in Morocco

Detection of Fusarium solani as a Pathogen Causing Root Rot and Wilt Diseases of Young Olive Trees in Morocco

Characterization of Colletotrichum strains associated with olive anthracnose in Sicily

Insights into the Pathogenic Mechanisms and the Control Strat-Egies of Anthracnose in Lupins – A Comprehensive Review

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