International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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Original Research Articles                      Volume : 7, Issue:10, October, 2018

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

Int.J.Curr.Microbiol.App.Sci.2018.7(10): 989-996

Genetic Studies on Turcicum Leaf Blight Resistance of Maize (Zea mays L.)
Nandan L. Patil1*, R.M. Kachapur2, M.C. Wali1, S.I. Harlapur2 and Sudha Nair3
1Department of Genetics and Plant Breeding, College of Agriculture, University of Agricultural Sciences, Dharwad-580008, Karnataka, India
2All India Co-ordinated Project on Maize (AICRP), University of Agricultural Sciences, Dharwad-580008, Karnataka, India
3CIMMYT, India, Hyderabad, Telangana, India
*Corresponding author

In the present study conducted at AICRP Maize, University of Agricultural Sciences, Dharwad, sixty single cross hybrids were produced by crossing twenty female inbred lines to three divergent inbred male testers in line x tester design. The parental inbred lines along with test cross hybrids, resistant check, susceptible check and hybrid checks were evaluated for their disease reaction against turcicum leaf blight under artificial epiphytotic condition. Among the inbred lines, TLB-2, TLB-5, TLB-6, TLB-9, TLB-12, TLB-19 and TLB-20 showed resistant reaction against disease. Among the tester CM-111 was moderately resistant, GPM-549 showed moderate susceptibility and GPM-581 was susceptible to disease. Promising female inbred lines such as TLB-6 and TLB-16 produced resistant hybrids irrespective of male testers. Relatively a higher proportion of susceptible hybrids were obtained as two of the three testers were susceptible to disease. The male parent played a crucial role in determining the disease reaction of hybrids.

Keywords: Turcicum leaf blight, R x S, Artificial epiphytotic

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Nandan L. Patil, R.M. Kachapur, M.C. Wali, S.I. Harlapur and Sudha Nair. 2018. Genetic Studies on Turcicum Leaf Blight Resistance of Maize (Zea mays L.).Int.J.Curr.Microbiol.App.Sci. 7(10): 989-996. doi:
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