Potential Risk to Mango Orchards: Mango Sudden Decline Caused by Ceratocystis Fimbriata

Hassan, Zohaib Ul; Nazami, Nadeem

doi:10.33866/phytopathol.029.01.0330

Cited by 5 publications

(4 citation statements)

References 14 publications

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“…Indeed, unlike most Cryphalus species, which are host specific, C. dilutus is able to feed on plants of at least two different plant families, i.e., Anacardiaceae (including mango) and Moraceae (including common fig) (Johnson et al., 2017; Wood & Bright, 1992). Moreover, this bark beetle is considered the main vector of mango wilt pathogens, including C. fimbriata (Hassan & Nazami, 2017).…”

Section: Discussionmentioning

confidence: 99%

From a cause of rapid fig tree dieback to a new threat to mango production: the invasive bark beetle Cryphalus dilutus Eichhoff (Coleoptera: Curculionidae, Scolytinae) and its associated fungi found on mango trees in Europe

Gugliuzzo,

Gusella,

Leonardi

et al. 2023

EPPO Bulletin

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Bark and ambrosia beetles (Coleoptera: Curculionidae) are receiving increasing scientific interest because of the economic losses that they can cause in invaded areas. Nonetheless, there are a number of emerging pest species, belonging to different tribes, for which invasions have likely been overlooked in the past due to their inconspicuousness, taxonomic confusion and/or misidentification. In the summer of 2022, severe infestations by a bark beetle species belonging to the tribe Cryphalini were observed on mango (Mangifera indica L.) in Eastern Sicily (Italy). No information about bark beetle attacks on mango trees in Europe was available previously. However, the occurrence of a cryphaline bark beetle species causing rapid common fig tree (Ficus carica L.) dieback was reported for the same investigated area in 2014 and 2015. We aimed to identify the bark beetle species attacking mango and common figs, and to describe the fungal pathogens vectored by this beetle species. Our results revealed that the bark beetle species attacking mango and fig trees in the studied area is Cryphalus dilutus Eichhoff and that different fungal pathogens, i.e., species of Botryosphaeriaceae, Ceratocystis ficicola and Neocosmospora spp., are vectored by this beetle species.

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Section: Discussionmentioning

confidence: 99%

From a cause of rapid fig tree dieback to a new threat to mango production: the invasive bark beetle Cryphalus dilutus Eichhoff (Coleoptera: Curculionidae, Scolytinae) and its associated fungi found on mango trees in Europe

Gugliuzzo,

Gusella,

Leonardi

et al. 2023

EPPO Bulletin

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“…Gummosis and rot occurred in the bark of the stem. The leaves of the trees wither out and remain attached to the dying tree 12,14,15 . These symptoms may be found alone or in a combination of two or more symptoms in different mango orchards in Brazil or Pakistan 16,17 .…”

Section: Introductionmentioning

confidence: 99%

Dieback of Mango and Cutting Method Impact on the Regeneration of Tree in the Sudano-Sahelian Zone

Dooh¹,

Bertrand²,

Heu³

et al. 2023

Trends Agric. Sci

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Background and Objective:The dieback of mango (Mangifera indica) has become an increasing threat to mango production in Tchad and Cameroon. The present study was conducted to characterize and identify pathogens associated with the mango quick decline tree for the first time in both countries. Materials and Methods: Investigations were carried out through field observations of the symptoms. A simple block experimental design was adopted and the scale was used to assess the incidence, severity and prevalence at the two sites during the dry and rainy seasons. Pathogens associated were isolated using a Potato Dextrose Agar (PDA) medium. The control strategy was evaluated. Results: During the survey, symptoms of this disease were wilting of leaves and branches which gradually progress into dieback, gummosis, rotting of the stem and vascular discolouration. Six fungi, Lasiodiplodia theobromae, Colletotrichum sp., Aspergillus niger and Botrytis cinerea were present in the dry season and the two sites, Curvularia sp. and Schizosaccharomyces pombe occurring in the rainy season only in Cameroon were isolated. The highest incidence and severity rates were obtained during the rainy season, 43.94 and 14.03%, respectively. Kassai variety (25%) was the most susceptible to dieback. The percentage of tree regeneration from the cutting method depends on the attack percentage of the tree. Conclusion: This study suggested that several fungi are associated with this disease in Cameroon and Chad. Molecular analysis and pathogenicity are necessary to upset the control strategy (cutting method) which is efficient when the attack tree is under 50%.

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“…Many other countries around the world reported similar effects of MSD. For example, Pakistan considered MSD as the most destructive disease for mango trees, and 10-28% of mango trees were reported in Punjab to be affected by the disease, resulting in heavy economic losses for mango producers (Hassan & Nazami, 2017). ‫مجلد‬ ‫العربية،‬ ‫النبات‬ ‫وقاية‬ ‫مجلة‬ 39 ‫عدد‬ ، 3 ( 2021 )…”

Section: Introductionmentioning

confidence: 99%

Predicting Mango Sudden Decline Due to Ceratocystis fimbriata Under a Changing Climate

Alruheili¹,

Boluwade²,

Al-Subhi³

2021

AJPP

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Mango fruit trees are an important fruit crop due to their high value. Mango sudden decline (MSD) is a major disease that threatens mango trees in Oman and worldwide. The objective of this study was to identify those areas in northern Oman in which Ceratocystis fimbriata (a plant fungal pathogen causing MSD) may establish itself under various climate change scenarios. The MaxEnt model used in this study was based on data for the period 1970-2000 and then projected to future climate periods. This study modeled the future distribution of C. fimbriata for 2021–2040, 2041–2060, 2061–2080, and 2081–2100 climatic scenarios. Fifteen affected locations and seven bioclimatic variables were investigated in this study. The model showed values between 0.896 and 0.913 (habitat suitability) which represented a good model outcome. The jackknife test showed that the mean diurnal range in temperature, precipitation of the driest month, and elevation contributed to C. fimbriata distribution. From 2021 through 2040, a total area of 1,889 km2 was found to be highly suitable for C. fimbriata in Northern Oman. Compared with the 2021–2040 period, the poorly suitable area would increase in both 2041–2060 and 2081–2100 periods. The moderately suitable regions for C. fimbriata would decrease under all scenarios investigated. However, the total area of the suitable areas, with all scenarios, would increase, except during the 2041-2060 period. This research offers a tool to better manage and prevent the possible Ceratocystis blight (C. fimbriata) and bark beetle (Hypocryphalus mangiferae) invasions under future projected climatic scenarios. Keywords: Mango sudden decline (MSD), “Ceratocystis fimbriata”, bioclimatic variables, climate change, Sultanate of Oman, Maxent.

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Potential Risk to Mango Orchards: Mango Sudden Decline Caused by Ceratocystis Fimbriata

Cited by 5 publications

References 14 publications

From a cause of rapid fig tree dieback to a new threat to mango production: the invasive bark beetle Cryphalus dilutus Eichhoff (Coleoptera: Curculionidae, Scolytinae) and its associated fungi found on mango trees in Europe

From a cause of rapid fig tree dieback to a new threat to mango production: the invasive bark beetle Cryphalus dilutus Eichhoff (Coleoptera: Curculionidae, Scolytinae) and its associated fungi found on mango trees in Europe

Dieback of Mango and Cutting Method Impact on the Regeneration of Tree in the Sudano-Sahelian Zone

Predicting Mango Sudden Decline Due to Ceratocystis fimbriata Under a Changing Climate

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