Q542
GEP of the pest coincides with ETL, then the pest belongs which category?
A.
Minor pest
B.
Major pest
AnswerC.
Key pest
D.
Sporadic pest
Answer: Option B
Solution
Answer: Option B
Solution:
GEP of the pest coincides with ETL, then the pest belongs major pest category.The economic threshold Level (ETL) is the population density at which control measures should be determined to prevent an increasing pest population from reaching the Economic injury level. EIL is the lowest pest population which will cause economic damage.
These are pests with the population crosses EIL quite frequently and require repeated control measures to avoid economic damage, The Damage is >10%. GEP lies very close to EIL or coincides with EIL e.g. Cotton jassid, Rice stem borer.