Rahmat, early-maturing soybean cultivar for summer cultivation in Golestan province | ||
| یافتههای تحقیقاتی در گیاهان زراعی و باغی | ||
| Volume 13, Issue 1, June 2024, Pages 75-89 PDF (618.09 K) | ||
| Document Type: Release of the variety | ||
| DOI: 10.22092/rafhc.2024.363033.1331 | ||
| Authors | ||
| H. R. Babaei* 1; S. Raeisi2; N. Razmi3; H. Sabzi4; H. Sadeghi5; F. Shariati5; S. Seifamiri6; Sh. Kia2; K. Peyghamzadeh2; N. Kazerani7; P. Gholizade Sarcheshmeh8 | ||
| 1Associate Professor, Field and Horticultural Crops Research Department, Khorasan Razavi Agricultural and Natural Resources Research and Education Center, Agricultural Research, Education and Extension Organization (AREEO), Mashhad, Iran. | ||
| 2Assistant Professor, Field and Horticultural Crops Research Department, Golestan Province Agricultural Research and Natural Resources Research and Education Center, Agricultural Research, Education and Extension Organization (AREEO), Gorgan, Iran. | ||
| 3Assistant Professor, Field and Horticultural Crops Research Department, Ardabil Province Agricultural Research and Natural Resources and Education Center (Parsabad Moghan), Agricultural Research, Education and Extension Organization (AREEO), Parsabad Moghan, Iran. | ||
| 4Researcher, Field and Horticultural Crops Research Department, Lorestan Agricultural and Natural Resources Research and Education Center, Agricultural Research, Education and Extension Organization (AREEO), Khorramabad, Iran. | ||
| 5Assistant Professor, Seed and Plant Improvement Institute, Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran. | ||
| 6Assistant Professor, Field and Horticultural Crops Research Department, Ardabil Province Agricultural Research and Natural Resources and Education Center, Agricultural Research, Education and Extension Organization (AREEO), Ardabil, Iran | ||
| 7Researcher, Field and Horticultural Crops Research Department, Boshehr (Borazjan) Agricultural and Natural Resources Research and Education Center, Agricultural Research, Education and Extension Organization (AREEO), Borazjan, Iran. | ||
| 8Researcher, Seed and Plant Improvement Institute, Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran. | ||
| Abstract | ||
| The Rahmat cultivar (Soy 91-19a line) was developed to introduce an early-maturing soybean cultivar for Golestan province. This cultivar originated from the segregating generations of a crossbreeding program between the Charleston (maternal) and Mustang (paternal) cultivars, initiated in 2001. In preliminary yield trials, the Soy 91-19a line was identified as a top performer, producing 3496 kgha-1. In adaptability trials (2013-2014), using GGE biplot analysis and simultaneous selection for yield and stability, the Soy-91-19a line, with an average grain yield of 2739 kgha-1 and a growth period of 117 days, emerged as the best genotype in terms of yield, stability, and earliness, showing a yield increase of 389 kgha-1 compared to the Williams control cultivar. Under farmer conditions in Golestan, this line produced 3198 kgha-1, demonstrating a 21% yield increase over the Williams cultivar. This line is resistant to Phytophthora sudden death (Phytophthora soja) and semi-sensitive to charcoal rot. Additionally, the Soy 91-19a is indeterminate, multi-branched, early-maturing, drought-tolerant, and resistant to lodging and grain shattering. The oleic acid content of this line is 5% higher than that of common cultivars. Due to its high yield and desirable agronomic traits, this line has been introduced as the Rahmat cultivar for summer cultivation in Golestan province. | ||
| Keywords | ||
| Early maturity; Yield stability; Multi-branched; Resistant to lodging and grain shattering; Resistant to Phytophthora sudden death | ||
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