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Management of root-knot nematode, Meloidogyne incognita (Kofoid & amp; white) Chitwood in Chrysanthemum using Paecilomyces lilacinus (Thom) Sams.in combination with neem cake

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Title Management of root-knot nematode, Meloidogyne incognita (Kofoid & amp; white) Chitwood in Chrysanthemum using Paecilomyces lilacinus (Thom) Sams.in combination with neem cake
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Creator Nagesh. M, Hussaini, S. S. Singh, S.P. Biswas, S.R
 
Subject Chrysanthemum, field evaluation, formulations, Meloidogyne incognita, moisture levels, Paecilomyces lilacinus
 
Description Not Available
N Talc and pesta granule formulations of P. lilacinus spores, obtained from
solid and liquid media, at 12, 10, 8 and 6 per cent moisture levels were evaluated for their
spore viability and tbeir field efficacy, singly and in combination with neem cake against
root-knot nematode, Meloidogyne incognita in the farmer's field. The preparation of P. lilacinus
used in the field consisted mainly of spores. The fungus was cultured under two sets of
defined conditions to produce aerial spores, i. e., cultured on sorghum grains, and submerged
spores, grown in a liquid medium. Aerial spores were more robust (96, 87, 80 and 60'110
viability at 6, 8, 10 and 12% moisture levels, respectively, in talc formulation from sorghum
grains), compared to submerged spores (83, 72,64 and 54% viability at 6, 8, 10 and 12%
moisture levels, respectively, in talc formulation from liquid broth), over a period of 60 days
after formulation. Talc and pesta granules of P. lilacinus, applied at 2 doses, 10 and 15 kg/ha to
the root-knot nematode infested chrysanthemum field correspondingly reduced root gall
index to 1.4-2.7, nematode multiplication rate to 1.4-2.12, and enhanced floral yield by 12 per
cent depending on the dose of formulation. Further, combined use of these formulations with
neem cake enhanced fungal propagules in rhizosphere to 700-1070, fungal infectivity to 32-
52 per cent and chrysanthemum flower yield (by 23-28 %) depending on the dose of formulation.ot Available
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Date 2024-04-24T11:38:53Z
2024-04-24T11:38:53Z
2003-12-04
 
Type Research Paper
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/82319
 
Language English
 
Relation Not Available;
 
Publisher Not Available