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  • 1 Central Soil Salinity Research Institute Karnal 132001 India
  • | 2 Central Agricultural Research Institute for Port Blair Andaman and Nicobar Islands 744101 India
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Effects of salinity on correlation, path and stress indices, yield and its components were studied in a set of 34 promising rice genotypes collected from various national and international organizations. These genotypes were evaluated in a randomized complete block design with three replications during the wet seasons (kharif) of 2009 and 2010 in normal (ECiw ∼ 1.2 dS/m) and salinity stress (ECiw ∼ 10 dS/m) environments in micro plots at Central Soil Salinity Research Institute (CSSRI), Karnal, India. Grain yield per plant showed positive significant association with plant height, total tillers, productive tillers, panicle length, and biological yield per plant and harvest index under normal environment, whereas grain yield showed positive significant association with biological yield and harvest index under salinity stress. These results clearly indicate that selection of high yielding genotypes would be entirely different under normal and saline environments. The stress susceptibility index (SSI) values for grain yield ranged from 0.35 (HKR 127) to 1.55 (TR-2000-008), whereas the stress tolerance index (STI) values for grain yield ranged from 0.07 (PR 118) to 1.09 (HKR 120). The genotypes HKR 120, HKR 47 and CSR-RIL-197 exhibited higher values of stress tolerance index (STI) in salinity. Under salinity, negative and significant association was shown by SSI and grain yield in contrast to positive and significant association shown by STI and grain yield. These associations could be useful in identifying salt tolerant and sensitive high yielding genotypes. The stress susceptible and stress tolerance indices suggest that the genotypes developed for salinity tolerance could exhibit higher tolerance, adaptability and suitability. Harvest index and biological yield traits emerged as the ideal traits for improvement through selection and could be used to increase the rice productivity under saline stress environments.

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Senior editors

Editor(s)-in-Chief: Pauk, János

Technical Editor(s): Hajdu Buza, Kornélia

Technical Editor(s): Lantos, Csaba

Editorial Board

  • A. Aniol (Poland)
  • P. S. Baenziger (USA)
  • R.K. Behl (India)
  • F. Békés (Australia)
  • L. Bona (Hungary)
  • A. Börner (Germany)
  • R. N. Chibbar (Canada)
  • S. Gottwald (Germany)
  • A. Goyal (Canada)
  • H. Grausgruber (Austria)
  • T. Harangozó (Hungary)
  • E. Kapusi (Austria)
  • E.K. Khlestkina (Russia)
  • J. Kolmer (USA)
  • V. Korzun (Germany)
  • R. A. McIntosh (Australia)
  • Á. Mesterházy (Hungary)
  • A. Mohan (USA)
  • I. Molnár (Hungary)
  • M. Molnár-Láng (Hungary)
  • A. Pécsváradi (Hungary)
  • S. K. Rasmussen (Denmark)
  • N. Rostoks (Latvia)
  • M. Taylor (Germany)
  • J. Zhang (China)
  • X.F. Zhang (USA)


Senior Editorial Board

  • P. Bartos (Czech Republic)
  • H. Bürstmayr (Austria)
  • J. Johnson (USA)
  • Z. Kertész (Hungary)
  • G. Kimber (USA)
  • J. Matuz (Hungary)

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Cereal Research Communications
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ISSN 0133-3720 (Print)
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