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Sources of resistance to Fusarium wilt and root-knot nematode in indigenous chickpea germplasm

Published online by Cambridge University Press:  24 September 2012

Mohar Singh ,
Z. Khan ,
Krishna Kumar ,
M. Dutta ,
Anju Pathania ,
O. P. Dahiya  and
J. Kumar
Mohar Singh*
Affiliation:
National Bureau of Plant Genetic Resources, Pusa, New Delhi110 012, India
Z. Khan
Affiliation:
National Bureau of Plant Genetic Resources, Pusa, New Delhi110 012, India
Krishna Kumar
Affiliation:
National Bureau of Plant Genetic Resources, Pusa, New Delhi110 012, India
M. Dutta
Affiliation:
National Bureau of Plant Genetic Resources, Pusa, New Delhi110 012, India
Anju Pathania
Affiliation:
CSK HPKV, Mountain Agriculture Research and Extension Centre, Sangla172 461, India
O. P. Dahiya
Affiliation:
National Bureau of Plant Genetic Resources, Pusa, New Delhi110 012, India
J. Kumar
Affiliation:
Pulse Research Laboratory, Division of Genetics, IARI, New Delhi110 012, India
*
*Corresponding author. E-mail: [email protected]; [email protected]
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Abstract

Fusarium wilt caused by Fusarium oxysporum, Schlecht. emend. Snyd. & Hans. f. sp. ciceri is prevalent in most chickpea-growing countries and is a major devastating disease. Host plant resistance is the most practical method of disease management. Indigenous chickpea germplasm reveals a heterogeneous genetic make-up and the response of resistance to wilt is an unexplored potential source for disease resistance. There are 70 indigenous germplasm lines selected on the basis of their agronomic performance and diverse areas of collections in the country. Of these, four accessions had a highly resistant score of 1 and six had a score of 3 using a 1–9 rating scale, indicating their level of resistance to Fusarium wilt (race 4). Other germplasm accessions of chickpea were found to be moderately resistant to highly susceptible disease reaction. Likewise, the same set of germplasm was also screened for Meloidogyne incognita (race 1) using pot culture under controlled condition. Only one accession was found to be resistant to this pest. These resistant gene sources can be utilised effectively for race-specific chickpea wilt and root-knot resistance breeding programmes.

Keywords

Fusarium wiltM. incognitachickpearesistance breeding
Type
Research Article
Information
Plant Genetic Resources , Volume 10 , Issue 3 , December 2012 , pp. 258 - 260
Copyright
Copyright © NIAB 2012

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References

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