Examining the Effect of Salinity on Tree Willow Clones for their Adaptation in Saline Ecologies
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Authors
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Neha Saini
College of Agriculture, CCS Haryana Agriculture University Hisar, Haryana, India
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R Banyal
ICAR-Central Soil Salinity Research Institute, Karnal, Haryana, India
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Anita Mann
ICAR-Central Soil Salinity Research Institute, Karnal, Haryana, India
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AK Bhardwaj
ICAR-Central Soil Salinity Research Institute, Karnal, Haryana, India
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RS Dhillon
College of Agriculture, CCS Haryana Agriculture University Hisar, Haryana, India
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Joginder Kumar
College of Agriculture, CCS Haryana Agriculture University Hisar, Haryana, India
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Varun Saini
College of Agriculture, CCS Haryana Agriculture University Hisar, Haryana, India
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RK Yadav
ICAR-Central Soil Salinity Research Institute, Karnal, Haryana, India
Keywords:
Salinity, Willow clones, Salt tolerance, Saline irrigation, Growth, Biomass, Tolerance index, Quality indexAbstract
Salix, a genus belonging to family Salicaceae, has about 520 species found throughout the world and showing a moderate to high tolerance to salinity making it an important genus to be adapted in harsh localities. The present study was carried out to examine the potential of ten Willow clones and to test their suitability for saline condition. In total, 1050 seedlings were raised with respect to individual salinity treatment and replication. Cuttings were irrigated with good quality water until the seedlings were established properly. After this, saline irrigation was resumed intermittently with saline and good quality water. Five irrigation regimes were tested including one level of good quality water and rest of saline irrigation ranging from ECiw 4 to 16 dS m-1 at equal interval of 21 days. The experiment was laid out in RBD factorial design. Survival, morphological, biomass, ionic and proline content were recorded at three weeks interval for establishing the performance rating of each tested clone under regulated saline irrigation. Among all the tested clones, J799 emerged as the best performer than the other clones. The best three Willow clones among the ten selected clones were J799, SI-64-017 and 131/25. Clone J799 was found superior with significantly greater survival per cent (65%), height increment (42.3%), collar diameter (49.5%) and longest branch (40.6%). Likewise, among the 10 selected clones, J799 was noted to have high salt tolerance index with respect to survival (0.62), height (1.09), collar diameter (1.12), longest branch (1.07), total biomass (1.26), root-shoot ratio (0.79) and root length (0.77).
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References
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