The Role of Light in the Emergence of Weeds: Using Camelina microcarpa as an Example.
When modelling the emergence of weeds, two main factors are considered that condition this process: temperature and soil moisture. Optimum temperature is necessary for metabolic processes that generate energy for growth, while turgor pressure is necessary for root and shoot elongation which eventual...
| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
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Public Library of Science (PLoS)
2015-01-01
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| Series: | PLoS ONE |
| Online Access: | http://europepmc.org/articles/PMC4696734?pdf=render |
| _version_ | 1818492909220003840 |
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| author | Aritz Royo-Esnal Russell W Gesch Frank Forcella Joel Torra Jordi Recasens Jevgenija Necajeva |
| author_facet | Aritz Royo-Esnal Russell W Gesch Frank Forcella Joel Torra Jordi Recasens Jevgenija Necajeva |
| author_sort | Aritz Royo-Esnal |
| collection | DOAJ |
| description | When modelling the emergence of weeds, two main factors are considered that condition this process: temperature and soil moisture. Optimum temperature is necessary for metabolic processes that generate energy for growth, while turgor pressure is necessary for root and shoot elongation which eventually leads to seedling emergence from the soil. Most emergence models do not usually consider light as a residual factor, but it could have an important role as it can alter directly or indirectly the dormancy and germination of seeds. In this paper, inclusion of light as an additional factor to photoperiod and radiation in emergence models is explored and compared with the classical hydrothermal time (HTT) model using Camelina microcarpa as an example. HTT based on hourly estimates is also compared with that based on daily estimates. Results suggest that, although HTT based models are accurate enough for local applications, the precision of these models is improved when HTT is estimated hourly and solar radiation is included as a factor. |
| first_indexed | 2024-12-10T17:48:27Z |
| format | Article |
| id | doaj.art-5daaee1ece0344b4a80abdd28098c95d |
| institution | Directory Open Access Journal |
| issn | 1932-6203 |
| language | English |
| last_indexed | 2024-12-10T17:48:27Z |
| publishDate | 2015-01-01 |
| publisher | Public Library of Science (PLoS) |
| record_format | Article |
| series | PLoS ONE |
| spelling | doaj.art-5daaee1ece0344b4a80abdd28098c95d2022-12-22T01:39:09ZengPublic Library of Science (PLoS)PLoS ONE1932-62032015-01-011012e014607910.1371/journal.pone.0146079The Role of Light in the Emergence of Weeds: Using Camelina microcarpa as an Example.Aritz Royo-EsnalRussell W GeschFrank ForcellaJoel TorraJordi RecasensJevgenija NecajevaWhen modelling the emergence of weeds, two main factors are considered that condition this process: temperature and soil moisture. Optimum temperature is necessary for metabolic processes that generate energy for growth, while turgor pressure is necessary for root and shoot elongation which eventually leads to seedling emergence from the soil. Most emergence models do not usually consider light as a residual factor, but it could have an important role as it can alter directly or indirectly the dormancy and germination of seeds. In this paper, inclusion of light as an additional factor to photoperiod and radiation in emergence models is explored and compared with the classical hydrothermal time (HTT) model using Camelina microcarpa as an example. HTT based on hourly estimates is also compared with that based on daily estimates. Results suggest that, although HTT based models are accurate enough for local applications, the precision of these models is improved when HTT is estimated hourly and solar radiation is included as a factor.http://europepmc.org/articles/PMC4696734?pdf=render |
| spellingShingle | Aritz Royo-Esnal Russell W Gesch Frank Forcella Joel Torra Jordi Recasens Jevgenija Necajeva The Role of Light in the Emergence of Weeds: Using Camelina microcarpa as an Example. PLoS ONE |
| title | The Role of Light in the Emergence of Weeds: Using Camelina microcarpa as an Example. |
| title_full | The Role of Light in the Emergence of Weeds: Using Camelina microcarpa as an Example. |
| title_fullStr | The Role of Light in the Emergence of Weeds: Using Camelina microcarpa as an Example. |
| title_full_unstemmed | The Role of Light in the Emergence of Weeds: Using Camelina microcarpa as an Example. |
| title_short | The Role of Light in the Emergence of Weeds: Using Camelina microcarpa as an Example. |
| title_sort | role of light in the emergence of weeds using camelina microcarpa as an example |
| url | http://europepmc.org/articles/PMC4696734?pdf=render |
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