Potential geographic distribution of two invasive cassava green mites

Parsa, Soroush; Hazzi, Nicolás A.; Chen, Qing; Lu, Fuping; Campo, Beatriz Vanessa Herrera; Yaninek, J. S.; Vásquez-Ordóñez, Aymer Andrés

doi:10.1007/s10493-014-9868-x

Cited by 10 publications

(11 citation statements)

References 30 publications

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“…While CBB may become less of a problem in areas with increased drought, the disease may reach pandemic conditions under heightened rainfall intensity and frequency . Niche modelling has shown that current local climatic conditions are highly suitable for a number of (non‐native) biota, and climatic suitability of several SE Asian cassava‐growing areas is expected to increase further in the future …”

Section: Discussionmentioning

confidence: 99%

“…93,98 Niche modelling has shown that current local climatic conditions are highly suitable for a number of (non-native) biota, and climatic suitability of several SE Asian cassava-growing areas is expected to increase further in the future. 16,21,60,61…”

Section: Discussionmentioning

confidence: 99%

“…In recent years, a non‐native green mite species, Mononychellus mcgregori (Flechtmann & Baker), has been reported in Vietnam, and is suspected also to occur in neighbouring countries . Furthermore, some authors have hypothesised the ability of the cassava green mite Mononychellus tanajoa , a key pest of cassava in Africa, to become established if introduced …”

Section: The Cassava Pest and Disease Complexmentioning

confidence: 99%

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Emerging pests and diseases of South‐east Asian cassava: a comprehensive evaluation of geographic priorities, management options and research needs

Graziosi

Minato

Álvarez

et al. 2016

Pest Management Science

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Cassava is a major staple, bio-energy and industrial crop in many parts of the developing world. In Southeast Asia, cassava is grown on >4 million ha by nearly 8 million (small-scale) farming households, under (climatic, biophysical) conditions that often prove unsuitable for many other crops. While SE Asian cassava has been virtually free of phytosanitary constraints for most of its history, a complex of invasive arthropod pests and plant diseases has recently come to affect local crops. We describe results from a region-wide monitoring effort in the 2014 dry season, covering 429 fields across five countries. We present geographic distribution and field-level incidence of the most prominent pest and disease invaders, introduce readily-available management options and research needs. Monitoring work reveals that several exotic mealybug and (red) mite species have effectively colonised SE Asia's main cassava-growing areas, occurring in respectively 70% and 54% of fields, at average field-level incidence of 27 ± 2% and 16 ± 2%. Cassava witches broom (CWB), a systemic phytoplasma disease, was reported from 64% of plots, at incidence levels of 32 ± 2%. Although all main pests and diseases are non-natives, we hypothesise that accelerating intensification of cropping systems, increased climate change and variability, and deficient crop husbandry are aggravating both organism activity and crop susceptibility. Future efforts need to consolidate local capacity to tackle current (and future) pest invaders, boost detection capacity, devise locally-appropriate integrated pest management (IPM) tactics, and transfer key concepts and technologies to SE Asia's cassava growers. Urgent action is needed to mobilise regional as well as international scientific support, to effectively tackle this phytosanitary emergency and thus safeguard the sustainability and profitability of one of Asia's key agricultural commodities. © 2016 Society of Chemical Industry.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: The Cassava Pest and Disease Complexmentioning

confidence: 99%

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Emerging pests and diseases of South‐east Asian cassava: a comprehensive evaluation of geographic priorities, management options and research needs

Graziosi

Minato

Álvarez

et al. 2016

Pest Management Science

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“…At a global level, the most damaging arthropod pests of cassava are the cassava mealybug (Phenacoccus manihoti) (CM), and the cassava green mite (Mononychellus tanajoa) (Parsa et al 2015;Le et al 2018) (CGM) although several other species of both mealybugs and mites have been reported to cause large yield losses in South East Asia (Graziosi et al 2016).…”

Section: Arthropod Pestsmentioning

confidence: 99%

“…The CGM, which also originated in the Americas, was firstly identified in Uganda in 1971 but it is now confirmed in 28 countries (Yaninek and Herren 1988 ; Sileshi et al 2019 ). CGM feeds only on cassava, primarily attacking young leaves, preventing their development and reducing photosynthetic capacity (Parsa et al 2015 ) so that they remain small, pale and mottled. This pest has been successfully controlled in the past through the introduction of phytoseiid mites as a form of biocontrol (Robert et al 2016 ).…”

Section: Most Relevant Cassava Pests and Efforts To Detect Control An...mentioning

confidence: 99%

Modelling cassava production and pest management under biotic and abiotic constraints

et al. 2021

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Key message We summarise modelling studies of the most economically important cassava diseases and arthropods, highlighting research gaps where modelling can contribute to the better management of these in the areas of surveillance, control, and host-pest dynamics understanding the effects of climate change and future challenges in modelling. Abstract For over 30 years, experimental and theoretical studies have sought to better understand the epidemiology of cassava diseases and arthropods that affect production and lead to considerable yield loss, to detect and control them more effectively. In this review, we consider the contribution of modelling studies to that understanding. We summarise studies of the most economically important cassava pests, including cassava mosaic disease, cassava brown streak disease, the cassava mealybug, and the cassava green mite. We focus on conceptual models of system dynamics rather than statistical methods. Through our analysis we identified areas where modelling has contributed and areas where modelling can improve and further contribute. Firstly, we identify research challenges in the modelling developed for the surveillance, detection and control of cassava pests, and propose approaches to overcome these. We then look at the contributions that modelling has accomplished in the understanding of the interaction and dynamics of cassava and its’ pests, highlighting success stories and areas where improvement is needed. Thirdly, we look at the possibility that novel modelling applications can achieve to provide insights into the impacts and uncertainties of climate change. Finally, we identify research gaps, challenges, and opportunities where modelling can develop and contribute for the management of cassava pests, highlighting the recent advances in understanding molecular mechanisms of plant defence.

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Is Cassava (Manihot esculenta Crantz) a Climate “Smart” Crop? A Review in the Context of Bridging Future Food Demand Gap

Pushpalatha

Byju

2020

Tropical Plant Biol.

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Potential geographic distribution of two invasive cassava green mites

Cited by 10 publications

References 30 publications

Emerging pests and diseases of South‐east Asian cassava: a comprehensive evaluation of geographic priorities, management options and research needs

Emerging pests and diseases of South‐east Asian cassava: a comprehensive evaluation of geographic priorities, management options and research needs

Modelling cassava production and pest management under biotic and abiotic constraints

Is Cassava (Manihot esculenta Crantz) a Climate “Smart” Crop? A Review in the Context of Bridging Future Food Demand Gap

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