Question

Red rust of tea is caused by _______.

• A. Aspergillus parasiticus
• B. Synchytrium endobioticum
• C. Polyporus versicolor
• D. Cephaleuros virescens

Answer 1

Answer: (D)

Cephaleuros virescens

Red rust on tea is caused by the parasitic filamentous green algae, Cephaleuros parasiticus. This alga with its 14 species is parasitic to important economic plants, such as tea, coffee, mango, guava and causes damage such as algal growth on leaves. The disease cycle starts when the hosts are inoculated with sporangia are deposited on susceptible host tissues.

So, the correct answer is option A.