Characterization of Aflatoxigenic and Nonaflatoxigenic Isolates of Aspergillus flavus by Cultural and Immunological Methods
Iftikhar Jan* and Sahib Alam
Department of Agricultural Chemistry and Biochemistry, the University of Agriculture, Peshawar, 25130, Pakistan.
*Correspondence | Iftikhar Jan, Department of Agricultural Chemistry and Biochemistry, the University of Agriculture, Peshawar, 25130,
Pakistan; Email: ijan719@gmail.com
Figure 1:
Major agroecological zone of north western Pakistan.
Source: ARP-II Diagnostic study 1992.
Figure 2:
Formation of orange red color of selected Aspergillus section Flavi isolates on reverse side of AFPA medium plate.
Figure 3:
Total number of Aspergillus section Flavi population isolated from soil and stored maize grains sample taken from different agroecological zones of Khyber Pakhtunkhwa.
Figure 4:
Relative distribution of common dominant fungal genera isolated from field soil and stored maize grains samples taken from different agro-ecological zones of Khyber Pakhtunkwa.
Figure 6:
Room temperature phosphorescence (%) on malt extract agar (MEA) medium modified with β-cyclodextrin (0.3%) and sodium deoxycholate (0.6%) of Aspergillus section Flavi isolated from different agro-ecological zones of Khyber Pakhtunkwa.
Figure 7:
Ammonium hydroxide (NH4OH) vapor induced color change on coconut cream agar (CCA) medium of toxigenic strains (%) of Aspergillus section Flavi isolated from different agro-ecological zones of Khyber Pakhtunkwa.
Figure 8:
Sclerotial production (%) on czapek yeast agar (CYA) medium of aflatoxigenic isolates of Aspergillus section Flavi isolated from different agro-ecological zones of Khyber Pakhtunkwa.
Figure 5:
Blue flourescence (%) on coconut cream agar (CCA) medium of Aspergillus section Flavi isolated from different agro-ecological zones of Khyber Pakhtunkwa.