Economic Threshold Level(ETL) of Pod borer in Different crops
Economic Threshold Level (ETL) It is the pest density at which control measures should de applied to prevent an increasing pest population from reaching the economic injury level.
Economic Threshold Level (ETL) of Pod borer in different crops
Name of the crops
Economic threshold level
Gram
One larvae per meter per row.
Pigeonpea
2-3 eggs/5 twigs or 1 larvae/2 plants or 5-10 per cent pod damage.
Sunflower
5-6 moth/ pheromone trap.
Groundnut
2-3 larvae/meter row.
Soybean
2% plants infested.
Cotton
5% damaged bolls or one eggs or larvae per plant.
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