Observing onion black mold under foldscope-#Indiafoldscopephase 1
Jul 31, 2018 • 5:00 AM UTC
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S.Banerjee
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Purchased onion from local market of Bangalore, Karnataka was found infested with black mold. It was decided to have a closer look at the black powder like material using foldscope.
Fig. Infested onion
Small amount of black mold from the infested onion was scratched out using f orcep and slide was prepared for viewing it under foldscope.
The following images of mold and its spores were captured using foldscope.
Small amount of black mold from the infested onion was scratched out using f orcep and slide was prepared for viewing it under foldscope.
The following images of mold and its spores were captured using foldscope.
Fig. Black mold as viewed under foldscope
Black mold on onion is commonly caused by a fungus known as Aspergillus niger. This fungus is commonly found in soil.
Black mold on onion is commonly caused by a fungus known as Aspergillus niger. This fungus is commonly found in soil.
Fig. Spores of black mold
This saprophytic fungus is generally found on or between the outer scale leaves of the onion bulb. The spore of this fungus spread with the blowing wind and infection occurs on onion surface at high humidity surrounding within 6 to 12 hours.
This saprophytic fungus is generally found on or between the outer scale leaves of the onion bulb. The spore of this fungus spread with the blowing wind and infection occurs on onion surface at high humidity surrounding within 6 to 12 hours.
Fig. Spores of black mold
Black mold is a major cause of onion rots at high temperature and high humidity regions of the world.
Contributors:
Soumitra Banerjee and Meghashree H M
CIIRC, Jyothy Institute of Technology, Bangalore
This post is open to read and review on The Winnower.
Black mold is a major cause of onion rots at high temperature and high humidity regions of the world.
Contributors:
Soumitra Banerjee and Meghashree H M
CIIRC, Jyothy Institute of Technology, Bangalore
This post is open to read and review on The Winnower.
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