Asa, spring open-pollinated oilseed rape cultivar suitable for the south warm regions of Iran | ||
| یافتههای تحقیقاتی در گیاهان زراعی و باغی | ||
| Article 4, Volume 12, Issue 1, April 2023, Pages 53-72 PDF (580.4 K) | ||
| Document Type: Release of the variety | ||
| DOI: 10.22092/rafhc.2023.357384.1299 | ||
| Authors | ||
| B. Bakhshi1; H. Amiri Oghan* 2; V. Rameeh3; A. Faraji4; R. Behmaram5; N. Kh. Kazerani6; H. R. Fanaei7; S. A. Kalantar Ahmadi8; B. Alizadeh9; S. Rahmanpour Ozan10; Sh. Kia5; A. R. Dalili11; A. Rezaeizad12; H. Sadeghi13; H. Akbari Moghaddam1; S. V. Alavi3; R. Noshavani14; Gh. R. Azarsa Mofrad14 | ||
| 1Assistant Professor, Horticulture Crops Research Department, Sistan Agricultural and Natural Resources Research and Education Center, Zabol, Iran. | ||
| 2Associate Professor, Seed and Plant Improvement Institute, Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran. | ||
| 3Associate Professor, Crops and Horticultural Research Department, Mazandaran Agricultural and Natural Resources Research and Education Center, Sari, Iran. | ||
| 4Professor , Crops and Horticultural Research Department, Gorgan Agricultural and Natural Resources Research and Education Center, Gorgan, Iran. | ||
| 5Assistant Professor, Crops and Horticultural Research Department, Gorgan Agricultural and Natural Resources Research and Education Center, Gorgan, Iran. | ||
| 6Researcher, Crops and Horticultural Research Department, Bushehr Agricultural and Natural Resources Research and Education Center, Bushehr, Iran. | ||
| 7Professor, Seed and Plant Improvement Institute, Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran. | ||
| 8Assistant Professor, Crops and Horticultural Research Department, Safiabad Agricultural and Natural Resources Research and Education Center, Dezful, Iran. | ||
| 9Professor , Seed and Plant Improvement Institute, Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran. | ||
| 10Assistant Professor, Seed and Plant Improvement Institute, Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran. | ||
| 11Assistant Professor, Plant Protection Research Department, Mazandaran Agricultural and Natural Resources Research and Education Center, Sari, Iran. | ||
| 12Associate Professor, Horticulture Crops Research Department, Kermanshah Agricultural and Natural Resources Research and Education Center, Kermanshah, Iran. | ||
| 13Assistant Professor, Seed and Plant Certification and Registration Institute, Agriculture Research Education and Extension Organization, Karaj, Iran. | ||
| 14Researcher, Jihad-e-Agriculture Service Management, Sistan and Baluchestan, Iran. | ||
| Abstract | ||
| The south warm climate of Iran is one of the regions with the ability to grow spring oilseed rape cultivars. Cultivation of oilseed rape in this climate faces the problem of environmental stress such as terminal drought and heat stress. Therefore, in addition to yield, earliness is one of the important priorities to introducing spring oilseed rape cultivars in these areas. Asa (promising line SRL-93-4) is an early-maturing and relatively high-yielding cultivar that resulted from hybridization between R308 early-maturing spring line and Modena as a high-yielding winter cultivar. The segregated generations were conducted by pedigree method. Preliminary and adaptation trails showed that SRL-93-4 line was superior compared to check cultivars in the regions under study. In the adaptation trail, the SRL-93-4 line (with 2581 kgha-1 seed yield) showed a significant superiority over the control cultivar RGS003 (with 2155 kgha-1 seed yield). Also, it was found that the SRL-93-4 line was matured 11 days earlier than the check variety RGS003 on the average. The results of stability methods revealed that SRL-93-4 line was the high stable genotype. A field trial for Blackleg disease showed that the SRL-93-4 line had a relative tolerance to the Blackleg. Analysis of the fatty acids profile showed that SRL-93-4 seed oil had a level of erucic acid close to zero, and in terms of the composition of fatty acids, it was within the standard range, but with more oleic acid and less linolenic acid compared to the RGS003 variety. Also, the amount of glucosinolate of the meal was less than standard level. The results of the on-farm trails in Zahak and Zabol regions of the Sistan and Baluchestan province showed that SRL-93-4 line (with 2200 kgha-1 seed yield) had a non-significant difference seed yield with Dalgan check cultivar (with 2361 kgha-1 seed yield); But it was eight days earlier than the check variety. Therefore, due to the desirable characteristics such as early maturity, relative tolerance to Blackleg disease and good performance, the new promising line SRL-93-4 which released as Asa variety is recommended for cultivation in the south warm regions of the country. | ||
| Keywords | ||
| Earliness; Oil content; Seed yield; Stability | ||
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