Foot rot or Anabe roga: Ganoderma lucidum
Symptoms:
-
The leaf lets in the outer wholes of leaves become yellow and spreads to the whole leaf and the leaves drooping down covering the stem.
-
Later, the inner whole leaves also become yellow. Subsequently all the leaves droop, dry up and fall off, leaving the stem alone.
-
Then the stem also become bittle and easily broken by heavy wind.
-
The base of the stem shows brown discoloration and oozing of dark fluid.
-
Bracket shaped fructifications of the fungus called ‘anabe’ appears at the base of the trunk. Roots become discoloured, brittle and dried.
-
When infected trunk is cut brown discoloration can be seen up to one metre from ground level.
|
 |
 |
 |
|
| Yellowing of leaves |
Dropping of leaves |
Brown discoloration |
|
Management:
-
Clean cultivation
-
Destruction of infected trees and stumps
-
Maintaining optimal plant population without over crowding.
-
Providing good drainage facility and fertilizers and manures.
-
Digging trenches to avoid root contact from diseased to healthy.
-
Drench 1% Borde
-
aux mixture at frequent intervals.
Image Source:
http://www.kissankerala.net:8080/KISSAN-CHDSS/English/index1.html |
|
