EFFECT OF MULCHES ON POTATO TUBER MOTH, Phthorimaea operculella (Zeller) (LEPIDOPTERA : YPONOMEUTIDAE) INCIDENCE IN STORAGE

B S BASAVARAJU, B DODDABASAPPA, P R SHASHANK, A K CHAKRAVARTHY

Abstract


Mulches were evaluated at Agricultural Research Station, Madenur, Hassan, Karnataka  in Kharif  2005 and 2006 against Potato Tuber Moth (PTM), Phthorimaea operculella (Zeller) infestation on potato in storage. Kufri Jyothi potato tubers covered with saw dust mulch treated with fenvalerate @ 1ml/l recorded the least (18.83%) infestation of 11 treatments tried compared to 60 per cent infestation in control. Saw dust mulch provided proper aeration without moisture accumulation and the tubers did not rot.

Keywords


Mulches; Phthorimaea operculella; potato; storage

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