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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2020)
[Effective from January 1, 2020]
For more details click here

ICV 2019: 96.39
Index Copernicus ICI Journals Master List 2019 - IJCMAS--ICV 2019: 96.39
For more details click here

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Original Research Articles

PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com / submit@ijcmas.com
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2017.6(7): 230-237
DOI: https://doi.org/10.20546/ijcmas.2017.607.027


Molecular Characterization of Maize Inbred Lines against Stalk Rot Complex of Maize (Zea mays L.)
Gopala1, Robin Gogoi1*, Firoz Hossain2, K.S. Hooda3 and J.C. Sekhar4
1Division of Plant Pathology
2Division of Genetics, ICAR–Indian Agricultural Research Institute, New Delhi 110 012, India
3ICAR-Indian Institute of Maize Research, New Delhi 110 012, India
4Winter Nursery Centre, ICAR- Indian Institute of Maize Research  Rajendranagar, Hyderabad-500 030, India
*Corresponding author
Abstract:

Stalk rot complex of maize (Zea Mays L.) caused by Macrophomina phaseolina (Tassi) Goid and Fusarium verticilloides (Sacc) Nirenberg reduces yield directly by affecting the physiological activity of the plants and finally cause lodging, which is the main reason of economic losses. Screening of Indian maize inbreds for the resistance to pathogen was done using 34 Simple Sequence Repeats (SSR) markers available in database. Among these SSR markers, two markers viz. SSRZ 135, and SSRZ 319 showed polymorphism for resistance to stalk rot. The marker SSRZ 319 located on chromosome 1 distinguished the resistant lines H 109, P 503, P 408 and E 618 from the susceptible lines viz., H-8, P 320, P 373 and 18834. Resistant genotypes identified in the study would serve as potential donors in the stalk rot resistance breeding programme. Further, QTL qRfg2 with most likely presence in the Indian maize inbred lines can be transferred to elite inbreds using marker-assisted selection.


Keywords: Quantitative trait loci (QTL), Simple Sequence Repeats (SSR), Markers, Screening, Maize genotypes.
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How to cite this article:

Gopala, Robin Gogoi, Firoz Hossain and Hooda, K.S. 2017. Molecular Characterization of Maize Inbred Lines against Stalk Rot Complex of Maize (Zea mays L.).Int.J.Curr.Microbiol.App.Sci. 6(7): 230-237. doi: https://doi.org/10.20546/ijcmas.2017.607.027