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Dead Hearts or dead tillers can be easily pulled from the base during the vegetative stages.
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White earheads during the reproductive stage where the emerging panicles are whitish and unfilled or empty.
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Tiny holes on the stems and tillers or Frass or faecal matter inside the damaged stems.
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Dead earheads and whiteheads symptoms may sometimes be confused with damages caused by rats, neck blasts, and black bug diseases.
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To confirm stem borer damage, visually inspect rice crops for dead earheards in the vegetative stages and whiteheads in the reproductive stages.
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Stems can be pulled and dissected for larvae and pupae for confirmation of stem borer damage.
For Control
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ProfeNova Super(Profenofos 40 % + Cypermethrin 04 % EC)@ 400ml/acre or FipNova(Fipronil 5% SC)@400ml/acre or
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Novalice (Fipronil 40% + Imidacloprid 40% WG)@ 40gm/acre.
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