Inheritance of pod setting under low temperature in pigeonpea

Singh, M.N. and Singh, R.S. (2010) Inheritance of pod setting under low temperature in pigeonpea. Indian Journal of Genetics and Plant Breeding , 70 (3). pp. 277-280.

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Abstract

Six basic populations (P1, P2, F1, F2, B1 and B2) of 12 crosses involving four susceptible (MAL 17, NDA-1, BHUA 96-13-3 and BHUA 96-21-4) and three tolerant (MAL 19, NDA 99-1 and NDA 49-6) genotypes were analyzed to observe the inheritance of pod setting under low temperature in pigeonpea [Cajanus cajan (L.) millsp]. All the F1 s bore pods even under low temperature as was evident in tolerant parents indicating the dominancy of pod setting over susceptibility. The F2 segregation ratio of 3:1 (tolerant : susceptible) indicated that pod setting is governed by single dominant gene. The observations of segregation pattern of B1 (F1 x tolerant parents) further confirmed the F2 ratio since all the plants bore pods under low temperature. Similarly B2 (F1 x susceptible parents) also exhibited 1:1 (tolerant: susceptible) segregation further confirmed the F2 ratio.

Item Type: Article
Author Affiliation: Dept. of Genetics and Plant Breeding, Institute of Agricultural Sciences, Banaras Hindu University, Varanasi 221 005
Subjects: Atmosperic Science > Meterology
Divisions: Pigeonpea
Depositing User: Mr T L Gautham
Date Deposited: 29 Nov 2010 22:06
Last Modified: 29 Nov 2010 22:06
Official URL: http://www.indianjournals.com/ijor.aspx?target=ijo...
URI: http://eprints.icrisat.ac.in/id/eprint/714

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