Q147
The stage-I of a rust pathogen consists of
A.
Pycniospores
B.
Aeciospores
AnswerC.
Basidiospores
D.
Urediniospores
Answer: Option B
Solution
Answer: Option B
Solution:
The stage-I of a rust pathogen consists of Aeciospores.Rust fungi are obligate plant pathogens that only infect living plants. Infections begin when a spore lands on the plant surface, germinates and invades its host.
Aeciospores from Aecia. These serve mainly as non-repeating, dikaryotic, asexual spores, and go on to infect the primary host.