Genetics of ovipositional non-preference and dead-heart formation governing shootfly resistance in sorghum

Sharma, G.C. and Rana, B.S. (1985) Genetics of ovipositional non-preference and dead-heart formation governing shootfly resistance in sorghum. Journal of Entomological Research, 9 (1). pp. 104-105.

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Abstract

The genetics of ovipositional non-preference and dead-heart formation governing shootfly [Atherigona] resistance in sorghum was investigated. Oviposition and dead-heart formation in single plants of 16 susceptible × resistant F2 progenies were recorded to examine the pattern of segregation of resistant genes. One single recessive gene governed the non-preference to oviposition while 2 duplicate recessive genes governed the resistance to dead-heart formation. The gene symbol, np0 was given for non-preference to oviposition where np0np0 governs non-preference and NP0NP0 or NP0np0 governs preference to oviposition. The resistance to dead-heart was symbolized by dh1dh1 dh2dh2. Susceptibility occurred when either of the genes DH1 or DH2 was in the homozygous or heterozygous condition

Item Type: Article
Author Affiliation: Indian Agric. Res. Inst., New Delhi, 110 012, India
Subjects: Plant Protection
Crop Improvement
Divisions: Sorghum
Depositing User: Mr B Krishnamurthy
Date Deposited: 27 Jun 2012 07:54
Last Modified: 27 Jun 2012 07:54
URI: http://eprints.icrisat.ac.in/id/eprint/6229

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