Spores observed on dried and stored mango kernels – without staining

The spores on mango kernels were observed under foldscope and we found Aspergillus species. Aspergillus was first catalogued in 1729 by the Italian priest and biologist Pier Antonio Micheli. Aspergillus sp. are widely distributed in nature, it is isolated from a variety of substrates or environments such as humans, air, soil, plants and decaying organic…

Keys for identification of storage pest- Mediterranean pulse beetle – #Indiafoldscopephase 1

Infestation found in: Field bean    Fig: Infested Field bean pulse Macrostructure image of infested pest: Fig: Infested pest found in Field bean pulse Assumed pest: Mediterranean pulse beetle (Bruchus emarginatus) Morphological charecteristics (for confirmation as observed under microscope) Antennae is serrate and dark in colour (Fig 1) Elytra with punctate distinct lines and gray spots…

Cercospora leaf spot of bean-#Indiafoldscopephase 1

In our institute garden of Jyothy Institute of Technology (Bangalore), we found bean leaves infected with some disease. On the leaf surface there were dark black spots surrounded by yellow zones. Fig: Bean leaves with necrotic spots It is leaf spot. This fungal disease, caused by Cercospora species, occurs primarily on the lower leaves of plants as…

Observing onion black mold under foldscope-#Indiafoldscopephase 1

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 forcep and slide was prepared for viewing it under…