Multiple choice

The mode of spreading of red rot of sugarcane is ______________.

  1. air

  2. seed

  3. insect

  4. None of these

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Red rot of sugarcane spreads primarily through infected seed material (setts) used for planting. The fungus Colletotrichum falcatum survives in the seed pieces and infects the new crop. Air and insects are not primary transmission modes for this disease.