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STUDIES ON ROOT-KNOT NEMATODE ASSOCIATED WITH TURMERIC (Curcuma longa L.)

KrishiKosh

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Title STUDIES ON ROOT-KNOT NEMATODE ASSOCIATED WITH TURMERIC (Curcuma longa L.)
 
Creator NIRANJANA PRABHU, K. J.
 
Contributor KANTHARAJU, V.
THAMMAIAH, Y.S
PUSHPA, T. N.
MAHESH, Y.S
 
Subject null
 
Description TH606
Root-knot nematode infection has been identified to be a major constraint for turmeric production. It occurs in several parts of India wherever this crop is grown. Investigations were carried out on the survey for the occurrence of root-knot nematodes in turmeric in major turmeric growing districts of Karnataka, pathogenicity of root-knot nematode (Meloidogyne incognita), screening of available turmeric varieties against M. incognita and management of M. incognita infecting turmeric using various treatments viz., neem cake, carbofuron-3G, Trichoderma viride and Paecilomyces lilacinus individually and in combination.
Among all four districts surveyed, the maximum incidence was recorded in Chamarajanagara district with more number of galls (26.26) per system, gall index (3.00) and soil nematode population (76.63) respectively, followed by Belagavi, Bagalkot and Kalburgi. The nematode population in root increased significantly with increase in inoculum levels of M. incognita. Highest nematode population was observed in plants inoculated with 10,000 J2 per pot. The plants inoculated with 10 J2 per pot showed lowest nematode population. Among the eighteen varieties screened none of them were found resistant and Cudappa and CLI-325 varieties were found to be moderately resistant with gall index of 3 and Salem & Suroma found to be highly susceptible with the gall index of 5 and all other varieties were sucsceptible with the gall index of 4. The maximum plant height, fresh rhizome weight, dry rhizome weight and least number of galls, egg masses and lowest soil nematode population was found in Carbofuron 3G among the individual treatments and among combination treatments neem cake + Paecilomyces lilacinus performed better which was on par with neem cake + Trichoderma viride when compared with control.
 
Date 2018-07-09T08:40:05Z
2018-07-09T08:40:05Z
2017-07
 
Type Thesis
 
Identifier UHSB
http://krishikosh.egranth.ac.in/handle/1/5810058485
 
Language en
 
Format application/pdf
 
Publisher K.R.C. COLLEGE OF HORTICULTURE, ARABHAVI (UNIVERSITY OF HORTICULTURAL SCIENCES, BAGALKOT)