Normalization method for canopy temperature as an indirect indicator of yield potential in wheat breeding programs
Copyright © 2021 by JAPANESE SOCIETY OF BREEDING.
| Veröffentlicht in: | Breeding science. - 1998. - 71(2021), 5 vom: 25. Dez., Seite 520-527 |
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| Format: | Online-Aufsatz |
| Sprache: | English |
| Veröffentlicht: |
2021
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| Zugriff auf das übergeordnete Werk: | Breeding science |
| Schlagworte: | Journal Article breeding canopy temperature wheat yield |
| Zusammenfassung: | Copyright © 2021 by JAPANESE SOCIETY OF BREEDING. Canopy temperature (CT) is often related to potential yield and is a possible yield indicator in breeding programs. However, it is difficult to evaluate genetic variations of CT accurately in large-scale investigations, such as breeding programs, because CT is strongly affected by environmental conditions. In this study, to precisely evaluate these genetic variations, we determined the environmental factors that affect CT measurement and proposed a convenient normalization method to minimize their influence. We measured the CT of CT-high or CT-low cultivars in the field under various conditions. We found that as the sun and shade levels were alternated, the CT changed within seconds; the position in the field also critically affected the CT. However, even under these conditions, the differences between cultivars became clearer if CT was normalized by neighboring lines. Additionally, we revealed that CT measurements between 12:00 and 15:00 maximized the difference between cultivars. Using our normalization technique under the favorable conditions specified can help breeders select high-yield lines using CT in breeding programs |
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| Beschreibung: | Date Revised 29.01.2022 published: Print-Electronic Citation Status PubMed-not-MEDLINE |
| ISSN: | 1344-7610 |
| DOI: | 10.1270/jsbbs.21011 |