Assessing parental lines and crosses for shoot fly resistance in sorghum [Sorghum bicolor (L.) Moench]

Gomashe, S.S. and Misal, M.B. and Mehtre, S.P. and Rakshit, S. and Ganapathy, K.N. (2012) Assessing parental lines and crosses for shoot fly resistance in sorghum [Sorghum bicolor (L.) Moench]. The Indian Journal of Genetics and Plant Breeding, 72 (1). pp. 31-37.

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Shoot fly is a key pest of sorghum in many countries including India. Resistance breeding towards shoot fly is important to address the need of resource poor farmers of the semi-arid tropics. Shoot fly resistance response was studied among 19 parental lines and 78 hybrids in two diverse environments. Cytoplasmic male sterile (CMS) lines, MS 104A and SPSFR 94010A and testers, SFCR125, SFCR151, ICSV 705, ICSV 708 and PS 30710 were identified as best for shoot fly resistance traits. The hybrids based on shoot fly resistant CMS and restorer lines had significantly lower proportion of oviposition and dead hearts than the hybrids based on other cross combinations. Leaf glossiness and trichome densityrevealed high correlation with shoot fly resistance. Thus, while breeding for shoot fly resistance efforts are needed to focus on combining both the traits among the hybrids

Item Type: Article
Uncontrolled Keywords: Atherigona soccata, host plant resistance, glossiness, trichome density, correlations.
Author Affiliation: Sorghum Research Station, Marathwada Agricultural University, Parbhani, directorate of Sorghum Research, Rajendranagar, Hyderabad
Subjects: Crop Improvement
Divisions: Sorghum
Depositing User: Mr. SanatKumar Behera
Date Deposited: 08 Apr 2012 05:49
Last Modified: 08 Apr 2012 05:50
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