Alpha numeric code containing 4 alphabets followed by 6 numerical digits.
AAA B CCCDDD
AAA (first 3 alphabets) : Shows the code for the crop.
B (4th alphabet) : Shows the code for the pathogen/pest.
F for Fungi
B for Bacteria
V for Virus
I for Viroid
P for Phytoplasma
R for Parasites
E for Entomological Pest
O for Rodents
S for Birds
Z for Animals
CCC (first 3 numerical digits) : Shows the code for the main genus of pathogen/pest.
DDD (last 3 numerical digits) : Shows the code for the species.