Effectiveness of Talc Formulation (TNAUPc001) Nematode Egg Parasitic Fungus, Pochonia chlamydosporia on the Management of Root-knot Nematode, Meloidogyne incognita in Brinjal (Solanum melongena)

A pot culture experiment was conducted to evaluate the efficacy of talc formulation of nematode eggparasitic fungus, Pochonia chlamydosporia in different method of application viz., seed treatment, nursery application in growth media and soil application at he time of transplanting in brinjal for the management of Meloidogyne incognita at Vegetable Research Station, Palur, Tamil Nadu, India during 2020-2021. These experiments clearly indicated the effectiveness of a bio-agent P. chlamydosporia, TNAU (Pc001) talc formulation were more when applied in combined application viz., seed (8g/kg seed) + nursey (10/kg growth media) + soil application method (5kg/ha). The brinjal yield was significantly high in vegetable yield (880 g/plant) in brinjal (Var PLR 2), Which is 55.3 per cent increase over untreated control and recorded with lowest root-knot nematode, M. incognita population (81.66/250 cc soil and 8.33/ 5 g of root) which was more than 60 per cent reduction over control. The colony farming units in the soil also more (75 X104) in the above treatments. Through these investigations we could standardize a strategy for the sustainable management of nematode by integration of seed treatment @ 8g/kg, nursery application @10g/kg growth media and soil application @5kg/ha in the main field in brinjal.