Status of Mango Postharvest Disease Management R & D: Options and Solutions for the Australian Mango Industry. Horticulture Australia

Publisher: Horticulture Australia


Suggested Citation: Johnson, G.I. 2008. Status of Mango Postharvest Disease
Management R & D: Options and Solutions for the Australian Mango Industry.
Horticulture Australia Final Report for project MG08017, Horticulture 4 Development,
Canberra, 130 p.

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    • "These fungi express after the fruit have been harvested, causing a watery rot that starts from the stem end of the fruit then progresses throughout the rest of the fruit. Dendritic spot, which is characterised by irregular shaped superficial lesions on the surface of the fruit, is thought to be caused by N. parvum (Johnson 2008). "
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    ABSTRACT: Members of the Botryosphaeriaceae, in particular Lasiodiplodia theobromae, Neofusicoccum parvum, N. mangiferum and Botryosphaeria dothidea, commonly cause stem cankers, dieback and stem end rot of mangoes worldwide. In the current study, eight taxa of Botryosphaeriaceae were identified as canker-associated fungi, pathogens, potential pathogens or endophytes of mangoes in the Kimberley, Australia. These include Neoscytalidium novaehollandiae, Ne. dimidiatum, Pseudofusicoccum adansoniae, P. ardesiacum, P. kimberleyense, Lasiodiplodia sp. 1, L. iraniensis and L. pseudotheobromae. The pathogenicity of a selection of these species toward fruit and branches was tested. All were pathogenic to mango in comparison to the control, with Lasiodiplodia spp. being the most pathogenic. It appears that either geographic isolation or the unique growing conditions in the Kimberley may have provided an effective barrier to the acquisition or establishment of known botryosphaeriaceous pathogens. Wounds caused by mechanical pruning may provide an entry point for infection, whilst severe pruning may increase plant stress. KeywordsCanker pathogens–Fungal endophytes–Kununurra–Mango–Tropical horticulture
    European Journal of Plant Pathology 07/2011; 130(3):379-391. DOI:10.1007/s10658-011-9760-z · 1.49 Impact Factor
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    ABSTRACT: Species of Botryosphaeriaceae are important fungal pathogens of mango worldwide. A survey of 11 mango orchards located in the provinces of Catania, Messina, Palermo and Ragusa (Sicily, southern Italy), resulted in the isolation of a large number (76) of Neofusicoccum isolates associated with decline and dieback symptoms. Isolates were identified based on morphology and DNA sequence data analyses of the internal transcribed spacer region of the nrDNA and partial translation of the elongation factor 1-alpha gene regions. Two species of Neofusicoccum were identified, which included N. parvum and N. australe, the former of which was the dominant species. The high incidence in local orchards and the pathogenicity results indicate that N. parvum and N. australe are important pathogens of mango in Sicily where they may significantly limit mango production.
    JOURNAL OF PLANT PATHOLOGY 10/2013; 95(3):549-557. DOI:10.4454/JPP.V9513.008 · 1.04 Impact Factor

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