In general, tapioca does not have serious diseases and pests. Some important diseases and pests, together with preventive and remedial measures are given below.
Diseases |
Causes |
Time of Epidemic
|
Preventive and Remedial Measures |
| Leaf blight |
Phytophthore infestans |
Heavy rainfall period |
- Use disease-resistant tapioca
cuttings
- Do not use cuttings from disease- infected area
- Burn disease-infected plants
- In disease-prone area, plant
other crops instead for at least
6 months |
| |
|
|
|
Plant Pests
Plant Pests |
Time of Epidemic |
Preventive and Remedial Measures |
Red Mite
(Mulberry red mite and cassava red mite)
Teranychus Fruncatus Ehare
Olgonychus biharensis Hirst |
Dry period |
- Avoid planting in dry period
- Burn infected plants
- if widespread, spray as
recommended in the
following Table |
Striped Mealybug Fircisia virgata Cockerel |
Dry period |
Same as above |
White fly
Bemisia abaci Gennadius |
Dry period |
Same as above |
Table : Use of Pesticides
Plant pests |
Pesticide |
Recommended usage/ 20 liters of water |
Instruction |
No.of days before harvest for pesticides are not to be used |
Red Mite |
Amtraz
(20% Ec)
Dicofol
(18.5% Ec) |
40 ml.
50 ml. |
Spray an infected area |
|
Stiped
Mealy bug |
Malathion
(83% Ec) |
15 ml.
|
Spray under leaves infected, with 20-30% concentration of top |
7 |
| White Fly |
Omethoate
(60% SL) |
40 ml. |
Spray under leaves infected, with 30% concentration of whole plants |
21 |
Source : Good Agricultural Practice of Tapioca ;
Department of Agriculture,
Ministry of Agriculture and Cooperatives. |
