Indian Journal of Agricultural Research

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Indian Journal of Agricultural Research, volume 40 issue 1 (march 2006) : 76 - 78

EVALUATION OF PAECILOMYCES LILACINUS (STRAIN PL-NILGIRIS) AGAINST MELOIDOGYNE INCOGNITA IN CHILLI (CAPSICUM ANNUUM L.)

I. Cannayane, C.V. Sivakumar
1Department of Nematology, Centre for Plant Protection Studies, Tamil Nadu Agricultural University, Coimbatore - 641 003, India

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Cite article:- Cannayane I., Sivakumar C.V. (2024). EVALUATION OF PAECILOMYCES LILACINUS (STRAIN PL-NILGIRIS) AGAINST MELOIDOGYNE INCOGNITA IN CHILLI (CAPSICUM ANNUUM L.). Indian Journal of Agricultural Research. 40(1): 76 - 78. doi: .

ABSTRACT

An isolate of Paecilomyces lilacinus (Strain PL-Nilgiris) parasitized the eggs of Meloidogyne
incognita (race 3) by 48.3 % in vitro and caused egg necrosis. The infected eggs became
vacuolated and filled with fungal hyphae. Two pot culture trials in chilli as seedling bare root-dip
treatment of P. lilacinus were conducted under glass house condition to evaluate the biocontrol
potential of the fungus against M. incognita. All the P. lilacinus treated chilli plants showed
significant difference in shoot weight and root weight when compared to the untreated control.
Seedling root-dip treatment of chilli in fungal suspension containing 8 x 106 spores/ml (PLHigh)
reduced gall formation of M. incognita by 47.9 %. The egg masses under PL-High were
colonized by the fungus to an extent of 61.7 % and parasitization of eggs were 42.2 %. The
fungus, introduced through bare root-dip, established and multiplied fast in soil, which was
evident from the colony forming units (cfu’s) of the fungus reisolation from the inoculated soil. P.
lilacinus (PL- Nilgiris) profusely colonized the roots of chilli plants under glasshouse conditions.

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