Effect of GRAS compounds on Aspergillus rot of wood-apple (Feronia limonia)

Effect of GRAS compounds on Aspergillus rot of wood-apple (Feronia limonia)

Fruit rot caused by Aspergillus niger is a major postharvest problem in wood-apple, Feronia limonia Swingle (syns. F. elephantum Correa; Limonia acidissima L.; Schinus limonia L. [Rutaceae]). The effect of four Generally Recommended As Safe (GRAS) compounds—sodium bicarbonate, calcium chloride, citr...

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Bibliographic Details
Published in:Phytoparasitica Vol. 37; no. 5; pp. 431 - 436
Main Authors: Ratnayake, R.M.R.N.K, Sumithra, H.J, Fernando, M.D, Palipane, Keerthi B
Format: Journal Article
Language:English
Published: Dordrecht Springer Netherlands 01-11-2009
Springer Nature B.V
Subjects:
Acids
Agriculture
application rate
Aspergillus niger
Biomedical and Life Sciences
Calcium
Calcium chloride
cell growth
citric acid
disease control
Ecology
Fruits
fruits (food)
fungal spores
GRAS substances
growth retardation
Life Sciences
Limonia
Limonia acidissima
mycelium
Plant Pathology
Plant Sciences
postharvest diseases
Rutaceae
Schinus
shelf life
Sodium
sodium benzoate
sodium bicarbonate
spore germination
Sri Lanka
Sodium bicarbonate
Sodium benzoate
Citric acid
Calcium chloride
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Summary:Fruit rot caused by Aspergillus niger is a major postharvest problem in wood-apple, Feronia limonia Swingle (syns. F. elephantum Correa; Limonia acidissima L.; Schinus limonia L. [Rutaceae]). The effect of four Generally Recommended As Safe (GRAS) compounds—sodium bicarbonate, calcium chloride, citric acid and sodium benzoate—in different concentrations was evaluated on mycelium growth and spore germination. The effectiveness of the compounds was investigated on inoculated and naturally infected fruits. Sodium bicarbonate (4%) completely inhibited the mycelial growth and spore germination. Fruits that were first inoculated and then treated with 4% sodium bicarbonate, or the reverse, gave 53.6% and 98.4% disease reduction, respectively. Non-treated control fruits were diseased completely 3 days after inoculation. Sodium bicarbonate treatment on naturally infected fruits controlled the disease by 100% and extended the storage life up to 28 days at 27 ± 2°C and 65–70% r.h. Sensory attributes of the treated fruits did not change during storage.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
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ISSN:0334-2123
1876-7184
DOI:10.1007/s12600-009-0056-1