Alternatives to synthetic fungicides in controlling postharvest anthracnose and stem-end rot in mango

Karunanayake, L.; Sinniah, G. D.; Adikaram, N. K. B.; Abayasekara, C. L.

doi:10.17660/actahortic.2016.1144.67

Cited by 6 publications

(7 citation statements)

References 11 publications

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“…'Karuthacolomban' at the postharvest stage. The effective dose of fertilizer was 2055 g x 3/ tree/ year which was three times the recommended dose (Karunanayake et al, 2016). The elicitors Salicylic acid (Karunanayake, 2008) and Kasil (Sinniah, 2010) were more effective in controlling anthracnose than SER of mango fruit.…”

Section: Field Management and Postharvest Practicesmentioning

confidence: 97%

Stem-end rot in major tropical and sub-tropical fruit species

Karunanayake

Adikaram

2020

Ceylon J. Sci.

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Section: Field Management and Postharvest Practicesmentioning

confidence: 97%

Stem-end rot in major tropical and sub-tropical fruit species

Karunanayake

Adikaram

2020

Ceylon J. Sci.

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“…According to Karunanayake et al, (2016), spraying Karthakolomban mango fruits with a plant defense elicitor named as Bion ® (Acibenzolar-smethyl) and maintaining them in moist chambers at 28 ºC has eff ectively controlled postharvest diseases of mango including anthracnose and SER up to 7 days. Although Karunanayake et al, (2016) discovered very useful fi ndings with regard to an alternative to synthetic fungicides, those fi ndings are somewhat diffi cult to directly compare with the present study due to the use of diff erent test compounds (such as essential oils and elicitor compounds) during the two separate studies, treatment methods and storage conditions. According to Sefu et al, (2015), spraying mango (cv.…”

Section: Spray Treatment For Mango With Essential Oilsmentioning

confidence: 99%

“…Any postharvest deterioration may result in mangoes with an undesirable quality and a shortened storage life, which will result in rejection of the fruit from the market (Alemu, 2014). Stem-end rot (SER) is one of the major diseases, which causes extreme postharvest losses of mango both in Sri Lanka and worldwide (Karunanayake et al, 2016). SER is a latent infection in which the pathogens remain dormant on mature mango fruit until they begin to ripe (Alemu, 2014).…”

Section: Introductionmentioning

confidence: 99%

Pathogenicity of Stem-end Rot Associated Fungi Isolated from Karthakolomban Mango and Their Control by Spray and Fumigation Treatments with Selected Essential Oils

2020

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Purpose: Stem-end rot (SER) is a major disease of mango that causes serious postharvest losses. Application of fungicides is environmentally unsound and is being practiced currently in its control. This study was conducted to develop essential oil treatment systems as eco-friendly strategies to control SER of Karthakolomban mango and to determine the pathogenicity of several SER associated fungi.Research Method: Pathogenicity of four fungal isolates in SER was assessed by inoculating them on Karthakolomban mango fruits. Karthakolomban mango fruits were subjected to spray and fumigation treatments using four essential oils and their pathological, physicochemical and sensory properties were evaluated after a 8-day storage at 12 -14 ºC.Findings: Lasiodiplodia theobromae, Pestalotiopsis sp., Phomopsis sp. and Xylaria feejeensis were the major SER pathogens of mango. X. feejeensis was identifi ed as a SER pathogen for the fi rst time in Sri Lanka. Spray and fumigation treatments conducted using basil, clove, cinnamon leaf and cinnamon bark oils eff ectively controlled SER of Karthakolomban mango stored at 12 -14 ºC for 8 days. Mango sprayed with 1.6 µL/mL cinnamon bark oil has displayed no SER after induced ripening. None of the treatments caused drastic alterations in physicochemical and sensory properties of mango.Research Limitations: Storage period of mango was restricted to 8 days due to the initiation of natural ripening which was the major limitation to achieving a further enhanced shelf life.Originality/value: The treatment strategies developed by this research could be commercialized as biosafe SER control strategies in reducing postharvest losses of mango in the local and international trade. *Percentage Stem-End Rot; Each data point represents the mean of eight replicates ± standard error. 1 Means sharing a common letter(s) are not signifi cantly diff erent by Tukey's pair-wise comparison test at p < 0.05. 2 Means sharing a common letter(s) are not signifi cantly diff erent by Kruskal Wallis non-parametric test at p < 0.05.

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“…Postharvest deterioration caused by different pathogenic microorganisms result in mangoes with an undesirable quality and a shortened storage life, which will result in rejection of fruit from local and international markets (Alemu, 2014). Stem-end rot (SER) is a major disease caused by a group of pathogenic fungi which causes significant postharvest losses of mango in Sri Lanka and worldwide (Karunanayake et al, 2016). Pathogens endophytically colonize the inflorescence and remain dormant on the mature mango fruit until it begins to ripe (Alemu, 2014).…”

Section: Introductionmentioning

confidence: 99%

“…However, use of fungicides has given rise to many issues, because of their high and acute toxicity to humans and other Sri Lanka Journal of Food and Agriculture (SLJFA) environmental problems (Tripathi and Shukla, 2009). Therefore, researchers are focusing on finding alternatives to fungicides in controlling postharvest diseases of fruits, including mango (Karunanayake et al, 2016).…”

Section: Introductionmentioning

confidence: 99%

Effect of spraying of essential oils and passive modified atmosphere packaging on selected postharvest quality parameters and stem-end rot development in <em>Mangifera indica<em> (cultivar <em>Karthakolomban</em>)

2020

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Mangifera indica L. (cultivar Karthakolomban) is more prone to stem-end rot (SER) disease that causes substantial postharvest losses in quality as well as quantity. The objective of this study was to use aqueous emulsions of basil (1.6 µL/mL), clove (2.0 µL/mL), cinnamon leaf (2.0 µL/mL) and cinnamon bark (1.6 µL/mL) oils as sprays with passive modified atmosphere packaging (MAP) in low density polyethylene (LDPE) bags as a bio-safe strategy to control SER of 'Karthakolomban' mango stored at 12-14 °C and 85-90% of relative humidity. Distilled water and 0.1% (w/v) carbendazim 50WP treatments were used as negative and positive controls respectively. In-package respiratory gases were measured during storage for 8 days. Pathological, physicochemical, sensory properties and peel color of mango were assessed after ripening fruits at the end of the storage period. All essential oil treatments combined with passive MAP significantly reduced SER severity of mango more than 93% when compared to the negative control without adversely affecting peel colour and some physicochemical properties like total soluble solids and firmness. Mango fruits treated with basil, clove and cinnamon leaf oils obtained a higher preference by the sensory panel than other treatments. Inpackage O2 concentration was at 3.8-5.8%, while CO2 was at 4.3-5.0% at the end of the 8-day storage period. Respiratory gas levels attained a steady state equilibrium which resulted in extending the shelf life. Further, T1, T2 and T3 treatments can be commercialized as eco-friendly treatment strategies to be used during transportation and storage of mango in local trade within one week and for exportation via air cargo that takes approximately 2-3 days.

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Alternatives to synthetic fungicides in controlling postharvest anthracnose and stem-end rot in mango

Cited by 6 publications

References 11 publications

Stem-end rot in major tropical and sub-tropical fruit species

Stem-end rot in major tropical and sub-tropical fruit species

Pathogenicity of Stem-end Rot Associated Fungi Isolated from Karthakolomban Mango and Their Control by Spray and Fumigation Treatments with Selected Essential Oils

Effect of spraying of essential oils and passive modified atmosphere packaging on selected postharvest quality parameters and stem-end rot development in <em>Mangifera indica<em> (cultivar <em>Karthakolomban</em>)

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