Regulation of Soil Salinity and Application of Plant Salt Tolerance Identification
1. Institute of Coastal Agriculture, Hebei Academy of Agriculture and Forestry Sciences, Tangshan 063299, China
2. Dry-Land Farming Institute, Hebei Academy of Agriculture and Forestry Sciences, Hengshui 053000, China
3. Hebei Richard Agricultural Technology Co., Ltd., Shijiazhuang 050051, China
4. Agricultural Comprehensive Service Center, Tanghai People's Government of Caofeidian, Tangshan 063299, China
| Abstract: | China possesses abundant resources of saline-alkali land; however, its utilization rate remains low. Triticale, known for its strong resistance to adversity and high forage value, presents significant development potential. This study aims to identify triticale resources suitable for cultivation in saline-alkali land through a method of salt-tolerance identification conducted throughout the entire growth period, thereby providing new insights for agricultural development in these regions. In this research, 48 triticale resources were selected. To address the issue of uneven soil salinity distribution within the plow layer, a strategy of minimal yet frequent drip irrigation was employed to maintain an approximate salinity level of 0.7% during the identification period. Under this condition, systematic comparisons were made regarding survival rates, fresh weight, dry weight, and overall growth performance of triticale resources. Using a widely adopted five-level evaluation standard, nine triticale resources with better comprehensive performance were obtained: specifically HS-006, HS-518, HS-476, HS-004, HS-520, HS-541, HS-447, HS-530 and HS-139. These selected resources not only exhibited high salt-tolerance but also demonstrated strong biomass production potential—indicating their viability for cultivation in saline-alkali land. This study underscores the critical importance of employing scientific methods for soil salinity regulation when screening plant resources. The identification results obtained from this research provide a reliable foundation for subsequent variety breeding and promotion efforts. |
| Keywords: | Tillage Layer Soil; Salt Control; Salt Tolerance; Triticale |
| DOI: | 10.57237/j.jaf.2025.02.001 |
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Received: 29 April 2025
Accepted: 18 June 2025
Published Online: 4 July 2025
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