BIO-MANAGEMENT OF ROOT-KNOT NEMATODE, Meloidogyne incognita (Kofoid and White) Chitwood IN JASMINE (Jasminum sambac L.)
of organic amendments viz., neem cake, vermicompost, pungam cake and castor cake;
bio-agents viz., PGPR Pseudomonas fluorescens, the antagonistic fungus Trichoderma viride, the egg parasitic fungi Paecilomyces lilacinus and nematicides viz., carbofuran
and phorate, against root-knot nematode, Meloidogyne incognita in jasmine (Jasminum sambac L). The results indicated that P. fluorescens @ 10g/ plant (6x108
colony forming units/g), gave maximum reduction of juveniles per 100g soil (69.7 %), number of adult females (70.1%) and eggs per g root (87.2%), gall index (2.6) and increased flower yield (36.6%). Carbofuran, phorate, Paecilomyces lilacinus and neem cake were next in line in efficacy. Further, organic amendments and bio-agents had a positive influence on growth
parameters viz., plant height, shoot weight and root weight. The endophytic colonization potential of the bio-agents introduced into the soil was confirmed by re-isolating them
from jasmine roots.
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