Q & A SectionThe Black rust of disease of wheat is caused by :- A. Puccinia graminis B. Puccinia recondita C. Xanthomonas graminis D. None of these *answer the above question in comment.
a
A
a
a
ans a
A
a
puccinia graminis
A
Puccinia graminis
B
Puccinia graminis
A
okay
Puccinia gramnis
A
A
A
B….
a
a
A
Puccinia graminis f.sp tritici
a
A
A
a
Puccinia graminis
A
A)
A
A
A
c
puccinia graminis