Cereal Research Communications

, Volume 39, Issue 2, pp 306–314 | Cite as

Estimation of heterosis in root length of wheat under different saline environment

  • W. TahiraEmail author
  • M. Buutta
  • A. Salam


A 6 × 6 diallel cross among three sensitive (18180-II, 18205-I, 18205-I and DN-18) and three tolerant (18194-II, DN-4, and LU-26S) wheat genotypes was analyzed. Thirty-six genotypes were sown in a triplicates completely randomized design in hydroponics culture. Data for root length was recorded in three salinity levels, i.e. control, 10 and 15 dSm−1. Combining ability effects controller tolerance in the two salinity levels (10 and 15 dSm−1). The genotypes 18194-II and LU-26S exhibited highest general combining abilities under10 and 15 dSm−1. The cross combinations with highest specific combining ability for root length were 18194-II × DN-4, 18180-II × 18205-I and LU26S × DN-18 under salinity levels. In reciprocals the crosses DN-18 × DN-4 and DN-4 × 18205-I appeared to be superior to the others under high salinity levels. DN-4 × LU26S produced significantly longer roots than its better parent and thus showed highest heterobeltiosis in high salinity level.


wheat salinity heterosis diallel cross 


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© Akadémiai Kiadó, Budapest 2011

This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (, which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

Authors and Affiliations

  1. 1.Department of Plant Breeding and GeneticsUniversity of AgricultureFaisalabadPakistan
  2. 2.Centre of Advanced Studies in Genetics and Saline Agriculture (CAGSA)University of AgricultureFaisalabadPakistan

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