A comparative study of the efficacy of Paecilomyces species against root-knot nematode Meloidogyne incognita

Three Paecilomyces species viz., Paecilomyces variotii, P. lilacinus and P. fumosoroseus were examined at various intensity levels to manage root-knot nematode Meloidogyne incognita. Unlike P. fumosoroseus, increasing concentrations of P. variotii and P. lilacinus culture filtrates considerably inhi...

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Bibliographic Details
Published inPakistan journal of nematology Vol. 31; no. 2; pp. 125 - 131
Main Authors Perveen, Z. (Karachi Univ. (Pakistan). Dept. of Botany), Shahzad, S. (Karachi Univ. (Pakistan). Dept. of Agriculture and Agribusiness Management)
Format Journal Article
LanguageEnglish
Published 01.07.2013
Subjects
BIOLOGICAL CONTROL
BIOLOGICAL CONTROL AGENTS
FIELD EXPERIMENTATION
GROWTH
IN VITRO EXPERIMENTATION
JUVENILES
MELOIDOGYNE INCOGNITA
MORTALITY
NEMATODE CONTROL
PAECILOMYCES
PLANT NEMATODES
SPECIES
VIGNA RADIATA
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Summary:Three Paecilomyces species viz., Paecilomyces variotii, P. lilacinus and P. fumosoroseus were examined at various intensity levels to manage root-knot nematode Meloidogyne incognita. Unlike P. fumosoroseus, increasing concentrations of P. variotii and P. lilacinus culture filtrates considerably inhibited egg-hatching and sustained juvenile transience. Increase in shoot and root weights were observed after applying biocontrol agents in vitro and in vivo on mungbean (Vigna radiata). Significant reductions in number of galls per root system as compared to the control treatment were observed when isolates of P. variotii and P. lilacinus were used. A variation in the efficacy of local isolates of P. variotii was also evident.
Bibliography:CATPAK-83136
H10
ISSN:0255-7576