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Indian Journal of Agricultural Research, volume 36 issue 4 (december 2002) : 234 - 240

INHERITANCE OF SORGHUM DOWNY MILDEW RESISTANCE IN MAIZE

K. Geetha, N. Jayaraman

Affiliations

¹Department of Genetics and Plant Breeding, Agricultural Engineering College and Research Institute, Tamil Nadu Agricultural University, Kumulur, Trichy - 621 712, India

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Cite article:- Geetha K., Jayaraman N. (2024). INHERITANCE OF SORGHUM DOWNY MILDEW RESISTANCE IN MAIZE. Indian Journal of Agricultural Research. 36(4): 234 - 240. doi: .

ABSTRACT

In the present study diallel analysis was adopted and nine parents were crossed in all possible ways. In Hayman's graphical approach and Griffing's numerical approach, additive as well as nonadditive genetic variances were significant. However, additive genetic variance was predominant. From the diallel analysis of maize resistant to sorghum downy mildew including reciprocals it is concluded that crosses between resistant lines and the susceptible lines showed intermediate disease reaction suggesting polygenic system for resistance to sorghum downy mildew in maize.

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REFERENCES

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INHERITANCE OF SORGHUM DOWNY MILDEW RESISTANCE IN MAIZE

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