Bio-efficacy of nano-emulsion formulation of Purpureocillium lilacinum against root-knot nematode, Meloidogyne incognita on carrot
Logaraj S, Pon Sathyamoorthy, Raja K, Prabhu S and Seenivasan N
Pot experiments were conducted to evaluate the bio-efficacy of Nano-emulsion formulation of nematode egg parasitic fungi (Purpureocillium lilacinum) at different doses viz., 0.25 ml/L, 0.5 ml/L, 1.0 ml/L, 2.5 ml/L and 5.0ml/L against root-knot nematode (Meloidogyne incognita) in carrot var. TAQ II 99. The results revealed that P. lilacinum at doses of 1.0 to 5 ml/L showed superior effect on suppressing the M. incognita infestation on carrot in terms of Juvenile (J2) population in soil, female population in roots and root gall index. These treatments reduced the J2 population by 46.42% in soil and female population by 30.85% in roots than untreated control. The P. lilacinum at 0.5 ml/L also significantly suppressed M. incognita in soil by 40.59% and in roots by 25.47%. The P. lilacinum treated carrot plants were with improved growth characters such as highest shoot length, shoot weight, root length and root weight. The study thus showed that the nano-emulsion formulation of Purpureocillium lilacinum was effective in the management of M. incognita and was also revealed to show better crop health benefits. It is concluded that nano emulsion formulation of Purpureocillium lilacinum at the dose of 0.5 ml/L to 5.0 ml/L can be recommended for managing root-knot nematode infestation in carrot crop after validation under field conditions.
How to cite this article:
Logaraj S, Pon Sathyamoorthy, Raja K, Prabhu S and Seenivasan N. Bio-efficacy of nano-emulsion formulation of Purpureocillium lilacinum against root-knot nematode, Meloidogyne incognita on carrot. The Pharma Innovation Journal. 2022; 11(8S): 79-84.