Sepehr a new irrigated bread wheat variety for cultivation in the temperate areas of Iran

Document Type : Release of the variety

Authors

1 Associated professor, Seed and Plant Improvement Institute, Agricultural Research, Education and Extension Organization, Karaj, Iran.

2 Professor, Seed and Plant Improvement Institute, Agricultural Research, Education and Extension Organization, Karaj, Iran.

3 Researchers, Field and Horticultural Sciences Crops Research Department, Kermanshah Agricultural and Natural Resources Research and Education Center, Agricultural Research, Education and Extension Organization, Kermanshah, Iran.

4 Assistant professors, Field and Horticultural Sciences Crops Research Department, Kermanshah Agricultural and Natural Resources Research and Education Center, Agricultural Research, Education and Extension Organization, Kermanshah, Iran.

5 Assistant professors, Field and Horticultural Sciences Crops Research Department, Khorassan Razavi Agricultural and Natural Resources Research and Education center, Agricultural Research, Education and Extension Organization, Mashhad, Iran.

6 Assistant professor, Field and Horticultural Sciences Crops Research Department, Isfahan Agricultural and Natural Resources Research and Education center, Agricultural Research, Education and Extension Organization, Isfahan, Iran.

7 Researchers, Field and Horticultural Sciences Crops Research Department, Lorestan Agricultural and Natural Resources Research and Education center, Agricultural Research, Education and Extension Organization, Khoramabad, Iran.

8 Associated professor, Field and Horticultural Sciences Crops Research Department, Khorassan Razavi Agricultural and Natural Resources Research and Education center, Agricultural Research, Education and Extension Organization, Mashhad, Iran.

9 Researcher, Field and Horticultural Sciences Crops Research Department, Fars Agricultural and Natural Resources Research and Education center, Agricultural Research, Education and Extension Organization, Shiraz, Iran.

10 Assistant professors. Field and Horticultural Sciences Crops Research Department, Fars Agricultural and Natural Resources Research and Education center, Agricultural Research, Education and Extension Organization, Shiraz, Iran.

11 Assistant professor, Research Area of Modern Agricultural and Garden Systems, Tehran Agricultural and Natural Resources Research and Education center, Agricultural Research, Education and Extension Organization, Tehran, Iran.

12 Assistant professors, Field and Horticultural Sciences Crops Research Department, Fars Agricultural and Natural Resources Research and Education center, Agricultural Research, Education and Extension Organization, Shiraz, Iran.

13 Researcher, Field and Horticultural Sciences Crops Research Department, Khorassan Razavi Agricultural and Natural Resources Research and Education center, Agricultural Research, Education and Extension Organization, Mashhad, Iran.

14 Associated professor, Field and Horticultural Sciences Crops Research Department, Fars Agricultural and Natural Resources Research and Education center, Agricultural Research, Education and Extension Organization, Shiraz, Iran.

15 Researcher, Field and Horticultural Sciences Crops Research Department, Khouzestan Agricultural and Natural Resources Research and Education center, Agricultural Research, Education and Extension Organization, Ahvaz, Iran.

16 Researchers, Field and Horticultural Sciences Crops Research Department, Mazandaran Agricultural and Natural Resources Research and Education center, Agricultural Research, Education and Extension Organization, Sari, Iran.

17 Associated professor, Field and Horticultural Sciences Crops Research Department, Ardebil Agricultural and Natural Resources Research and Education center, Agricultural Research, Education and Extension Organization, Ardebil, Iran.

18 Assistant professor, Field and Horticultural Sciences Crops Research Department, Golestan Agricultural and Natural Resources Research and Education center, Agricultural Research, Education and Extension Organization, Gorgan, Iran.

19 Researcher, Field and Horticultural Sciences Crops Research Department, Western Azarbaijan Agricultural and Natural Resources Research and Education center, Agricultural Research, Education and Extension Organization, Urmia, Iran.

20 Assistant professor, Field and Horticultural Sciences Crops Research Department, Hamedan Agricultural and Natural Resources Research and Education center, Agricultural Research, Education and Extension Organization, Hamedan, Iran.

21 Assistant professors, Field and Horticultural Sciences Crops Research Department, Ardebil Agricultural and Natural Resources Research and Education center, Agricultural Research, Education and Extension Organization, Ardebil, Iran.

22 Researcher, Seed and Plant Improvement Institute, Agricultural Research, Education and Extension Organization, Karaj, Iran.

23 Assistant professor, Field and Horticultural Sciences Crops Research Department, Mazandaran Agricultural and Natural Resources Research and Education center, Agricultural Research, Education and Extension Organization, Sari, Iran.

24 Associated professor, Field and Horticultural Sciences Crops Research Department, Yazd Agricultural and Natural Resources Research and Education center, Agricultural Research, Education and Extension Organization, Yazd, Iran.

10.22092/rafhc.2026.368871.1358

Abstract

Wheat breeding line M-97-18 (Sepehr cultivar) was evaluated in the international nurseries in 2015-2016 cropping season for its potential yield and had mean grain yield of 10550 Kgha-1 compared to the check cultivar Sirvan with mean grain yield of 10249 Kgha-1. In 2016-2017 cropping season, this line was evaluated in the preliminary yield trial of temperate zone under full irrigation and stress (irrigation interruption after spike emergence( conditions and was selected based on its average grain yield of 6294 kgha-1 compared to the check cultivars Rakhshan, Baharan, Parsi and Sirvan with an average grain yield of 6136 kgha-1. In 2017-2018 cropping season in advanced grain yield trial of temperate zone, this line was evaluated under two full irrigation and stress (irrigation interruption after spike emergence( conditions, each with three replications, and was selected based on its average grain yield (5425 kgha-1) compared to the check cultivars Rakhshan and Baharan. During two cropping seasons of 2018-2020, this line in the adaptatability trial of temperate zone at Karaj, Kermanshah, Zarghan, Borujerd, and Mashhad research stations (under full irrigation condition) as well as Neishabour, Varamin, and Isfahan research stations (under terminal water stress condition(, had average grain yields of 8058 and 6501 kgha-1, respectively, and showed superiority over check cultivars Rakhshan with 7218 and 6196 kgha-1 and Baharan with 7209 and 6189 kgha-1 grain yields in those conditions. Under farmer’s fields experiments in 2021-2022 cropping season, grain yield of this line under drought stress after irrigation interruption in Isfahan, Khorasan Razavi and Yazd proviences, respectively, was 2720, 3090 and 2779 kgha-1 compared to the check cultivars Farin, Amin and Sirvan with grain yield of 2043, 2990 and 2274 kgha-1, respectively. Wheat breeding line M-97-18 with protein percentage of 12.2, grain hardness of 52 and SDS sedimentation height of 66 has good baking quality. Its maximum reaction against the important wheat diseases such as yellow rust and leaf rust was 30MR and up to 30MS, respectively. Line M-97-18 has plant height of about 97 cm, thousand grain weight of 41 g, resistance to lodging and also has a relatively early maturity. This line was released and nominated as Sepehr in 2022.

Keywords

Main Subjects

References

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Research Achievements for Field and Horticulture Crops
Volume 14, Issue 2
February 2026
Pages 19-38

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History

  • Receive Date: 20 August 2025
  • Revise Date: 23 March 0621
  • Accept Date: 01 February 2026

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