Productivity and Stability Evaluation of 12 Selected Avena magna ssp. domestica Lines Based on Multi-Location Experiments during Three Cropping Seasons in Morocco

El hadji Thiam, Eric N. Jellen, Eric W. Jackson, Mark Nelson, Will Rogers, Ayoub El Mouttaqi and Ouafae Benlhabib ()
Additional contact information
El hadji Thiam: Institut Agronomique et Vétérinaire Hassan II, Rabat 10000, Morocco
Eric N. Jellen: Plant Genetic Resources Laboratory, Department of Plant & Wildlife Sciences, Brigham Young University, Provo, UT 84602, USA
Eric W. Jackson: 25:2 Solutions, 815 S First Ave Suite A, Pocatello, ID 83201, USA
Mark Nelson: Context Global Development, 9666 Olive Blvd Suite 750, St. Louis, MO 63132, USA
Will Rogers: Context Global Development, 9666 Olive Blvd Suite 750, St. Louis, MO 63132, USA
Ayoub El Mouttaqi: Institut Agronomique et Vétérinaire Hassan II, Rabat 10000, Morocco
Ouafae Benlhabib: Institut Agronomique et Vétérinaire Hassan II, Rabat 10000, Morocco

Agriculture, 2023, vol. 13, issue 8, 1-19

Abstract: Avena magna (2n = 4x = 28) is a tetraploid oat with a very high protein content compared to the hexaploid common oat, A. sativa (2n = 6x = 42). The wild type of A. magna originates from Morocco; its domestication has been achieved only within the past 25 years. The present study aimed to evaluate the productivity potential of an A. magna ssp. domestica collection of 11 advanced lines and a control variety, ‘Avery’. Twelve trials were conducted during three cropping seasons at four, three, and five locations and revealed significant differences among the accessions. Data on twelve agro-morphological characters and two disease traits were collected, and they confirmed the presence of variability in this oat germplasm set. Mean grain yield was 30.76 q/ha and varied from site to site, ranging from 6.89 q/ha at Bouchane_19 to 85.5 q/ha at Alnif_21. Across experimental sites, plant height ranged from 48.93 to 120.47 cm; thousand kernel weight from 32.83 to 49.73 g; and harvest index from 20.43 to 31.33%. Line AT6 was relatively tolerant of BYDV and crown rust infections, based on disease severity scoring at the heading stage. According to AMMI analysis, 78% of the grain yield variability was due to the environment factor and 4% was explained by the genetic factor. Among the highest-yielding lines, AT5 and ATC were relatively unstable. Line AT5 was more productive at the elevated site of El Kbab_19, and ATC performed better at the oasis location of Alnif_21 under irrigation. Line AT7 showed the most stable behavior; it was high yielding across the five environments and exceeded the general mean of the experiments. The A. magna ssp. domestica lines proved their suitability for cultivation under local farming conditions. Their nutritional quality, especially their high protein content, makes them good candidates for further testing in the Moroccan breeding program and for integration into local cropping systems.

Keywords: Avena magna ssp. domestica; oat; advanced lines; agro-morphological traits; yield; productivity; stability (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2023
References: View complete reference list from CitEc
Citations: View citations in EconPapers (2)

Downloads: (external link)
https://www.mdpi.com/2077-0472/13/8/1486/pdf (application/pdf)
https://www.mdpi.com/2077-0472/13/8/1486/ (text/html)

Related works:
This item may be available elsewhere in EconPapers: Search for items with the same title.

Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text

Persistent link: https://EconPapers.repec.org/RePEc:gam:jagris:v:13:y:2023:i:8:p:1486-:d:1203288

Access Statistics for this article

Agriculture is currently edited by Ms. Leda Xuan

More articles in Agriculture from MDPI
Bibliographic data for series maintained by MDPI Indexing Manager ().