A) uredia and pycnia on barberry leaves
B) uredia and aecia on wheat leaves
C) uredia and telia on wheat leaves
D) uredia and aecia on barberry leves
Correct Answer: C
Solution :
[c] Puccinia graminis tritict (fungus) causes black rust of wheat. It is a hetcroecious parasite i.e., it's life cycle completes within two hosts. Its dikaryotic phase completes on wheat plant (Triticum aestivum) which is also known 21 primary host while its haplophase completes on leaves of barbery plant (Barberis vulgaris) which is also known as secondary host. Urediospores (uredia) and teleutospores (telia) are formed on wheat leaves.
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