|
Insect species |
Initiation of control measures |
ETL |
|
Aphid |
2 aphids/100 leaves |
20 aphids/ 100 compound leaves |
|
Whiteflies |
2-3/plant |
9-11 adults/plant |
|
Leafhopper |
1-2 adult |
5-10 adults/plant |
|
Defoliators (lepidopterans) |
2 larvae/ 10 plant |
1-2 larvae/ plant |
|
Cutworms |
2% plant damage |
1-2 larvae/ 10 plants |
|
White grub |
With the appearance of 2 or more beetles in light traps or with the emergence of beetles with the onset of monsoon |
2 grubs per square feet |
|
PTM |
1 larvae/2 plants (in field) |
10-20 adults/trap/day and 2 or more holes/ tuber in stores |
|
1 hole per tuber (in stores) |
||
|
Root knot nematode |
At the time of planting |
More than 20 larva/ 200 ml of soil |