Helicoverpa armigera- in Pigeonpea ecosystem -Efficient trap
For the mass trapping of the H. armigera males, the trap design
should be as simple as possible with a 2cm gap between lid and sleeve (clearance
space) and
without funnel, and kept at a height of 1m. The sleeve length should be 54cm
and the trap should have a handle for tying it to a bamboo stick.
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