Co-infection of wilt-resistant chickpeas by Fusarium oxysporum f. sp. ciceri and Meloidogyne javanica

Maheshwari, T U and Saxena, K B and Reddy, D D R and Haware, M P (1995) Co-infection of wilt-resistant chickpeas by Fusarium oxysporum f. sp. ciceri and Meloidogyne javanica. Journal of Nematology , 27 (4S). pp. 649-653. ISSN 0022-300X

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Fusarium oxysporum f.sp. ciceri and Meloidogynejavanica are important pathogens of chickpea. Interrelationships between F. oxysporum f.sp. ciceri and M. javanica were investigated on 53 Fusarium wilt-resistant chickpea genotypes in pot experiments. All of the genotypes were susceptible to M. javanica. Fusarium wilt resistance in one genotype (ICC 12275) was ineffective in the presence of M. javanica, and all the plants completely wilted. Resistance in four genotypes (ICCs 11319, 11322, 12254, 12272) was reduced in the presence of the nematode. Vascular discoloration above the collar region of the plants, an indication of susceptibility to the fungus, was observed. Wilt resistance in 48 genotypes was not modified by M. javanica. The effects of interactions between the pathogens on shoot and root weights, gall index, and galled area of root were significant only on 10-28% of the genotypes. Presence of the fungus reduced the adverse effects of nematodes on growth of 15% of the genotypes. Appraisal of wilt-resistant chickpea genotypes for their reactions to combinations of the two pathogens would help to identify and develop chickpea cultivars with wilt resistance stable in presence of M. javanica.

Item Type: Article
Uncontrolled Keywords: Cicer arietinum, interaction, Fusarium oxysporum f.sp. ciceri, Meloidog'yne javanica, nematode, root-knot nematode, wilt resistance
Subjects: Mandate crops > Chickpea
Depositing User: Users 6 not found.
Date Deposited: 07 Oct 2011 10:51
Last Modified: 07 Oct 2011 10:51
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Acknowledgement: UNSPECIFIED
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