RESEARCH ARTICLE

Exploring influential plant traits for enhancing upland cotton yield under salt stress

  • Ghulam ABBAS , 1 ,
  • Tariq MANZOOR KHAN 1 ,
  • Jehanzeb FAROOQ , 2 ,
  • Abid MAHMOOD 2 ,
  • Rana Nadeem ABBAS 3 ,
  • Wajad NAZEER 4 ,
  • Amjad FAROOQ 2 ,
  • Zuhair HASNAIN 5 ,
  • Muhammad Naeem AKHTAR 6
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  • 1. Department of Plant Breeding and Genetics, University of Agriculture, Faisalabad, Pakistan
  • 2. Cotton Research Institute, Ayub Agricultural Institute, Faisalabad, Pakistan
  • 3. Department of Agronomy, University of Agriculture, Faisalabad, Pakistan
  • 4. Cotton Research Station, Old Shujaabad Road, Multan, Pakistan
  • 5. PhD Scholar Department of Agronomy, BZU, Multan, Pakistan
  • 6. Pesticide Quality Control Laboratory, Multan, Pakistan

Received date: 24 Mar 2011

Accepted date: 24 Apr 2011

Published date: 05 Dec 2011

Copyright

2014 Higher Education Press and Springer-Verlag Berlin Heidelberg

Abstract

This research was conducted to explore genetic material that can yield better under salt stress conditions. The experiment was laid out using 27 upland cotton genotypes in a RCBD 2 factorial arrangement with two replications. Saline water (NaCl at 20 dS/m) was applied after satisfactory emergence was achieved. The crop was raised to maturity and data relating to yield, fiber quality and ionic traits were recorded. Analysis of variance showed significant variations in the germplasm. Plant height, bolls per plant, boll weight, GOT%, staple length, staple strength, K+ and K+/Na+ ratio under salinity stress showed a highly significant correlation with seed-cotton yield. The highest direct effect on seed-cotton yield per plant was exhibited by bolls per plant and boll weight. The results from the correlation and path coefficient analyses revealed that although the K+/Na+ ratio had a strong positively significant association with seed-cotton yield, its direct effect on the seed-cotton yield was negative and thus selection on the basis of K+/Na+ may not be fruitful. Hence, only indirect selection through bolls per plant and boll weight may be effective in increasing the seed-cotton yield per plant under salinity stress.

Cite this article

Ghulam ABBAS , Tariq MANZOOR KHAN , Jehanzeb FAROOQ , Abid MAHMOOD , Rana Nadeem ABBAS , Wajad NAZEER , Amjad FAROOQ , Zuhair HASNAIN , Muhammad Naeem AKHTAR . Exploring influential plant traits for enhancing upland cotton yield under salt stress[J]. Frontiers of Agriculture in China, 2011 , 5(4) : 443 -449 . DOI: 10.1007/s11703-011-1125-z

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