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Soil water potential and temperature sum during reproductive growth control seed dormancy in Alopecurus myosuroides Huds.

Overview of attention for article published in Ecology and Evolution, June 2018
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Title
Soil water potential and temperature sum during reproductive growth control seed dormancy in Alopecurus myosuroides Huds.
Published in
Ecology and Evolution, June 2018
DOI 10.1002/ece3.4249
Pubmed ID
Authors

Alexander Menegat, Per Milberg, Anders T. S. Nilsson, Lars Andersson, Giulia Vico

Abstract

The sustainable management of unwanted vegetation in agricultural fields through integrated weed control strategies requires detailed knowledge about the maternal formation of primary seed dormancy, to support the prediction of seedling emergence dynamics. This knowledge is decisive for the timing of crop sowing and nonchemical weed control measures. Studies in controlled environments have already demonstrated that thermal conditions and, to some extent, water availability during seed set and maturation has an impact on the level of dormancy. However, it is still unclear if this applies also under field conditions, where environmental stressors and their timing are more variable. We address this question for Alopecurus myosuroides in south-western Sweden. We quantified the effects of cumulated temperature and precipitation as well as soil water potential during the reproductive growth phase of A myosuroides on primary seed dormancy under field conditions. Empirical models differing in focal time intervals and, in case of soil water potential, focal soil depths were compared regarding their predictive power. The highest predictive power for the level of primary dormancy of A. myosuroides seeds was found for a two-factorial linear model containing air temperature sum between 0 and 7 days before peak seed shedding as well as the number of days with soil water potential below field capacity between 7 and 35 days before peak seed shedding. For soil water potential, it was found that only the top 10 cm soil layer is of relevance, which is in line with the shallow root architecture of A. myosuroides. We conclude that for this species the level of dormancy depends on the magnitude and timing of temperature and water availability during the reproductive growth phase. Water availability appears to be more important during maternal environmental perception and temperature during zygotic environmental perception.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 33 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 33 100%

Demographic breakdown

Readers by professional status Count As %
Researcher 8 24%
Student > Master 7 21%
Student > Ph. D. Student 7 21%
Student > Bachelor 3 9%
Other 1 3%
Other 2 6%
Unknown 5 15%
Readers by discipline Count As %
Agricultural and Biological Sciences 15 45%
Environmental Science 4 12%
Biochemistry, Genetics and Molecular Biology 3 9%
Engineering 3 9%
Earth and Planetary Sciences 1 3%
Other 1 3%
Unknown 6 18%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 04 August 2018.
All research outputs
#20,663,600
of 25,382,440 outputs
Outputs from Ecology and Evolution
#7,182
of 8,478 outputs
Outputs of similar age
#266,009
of 341,509 outputs
Outputs of similar age from Ecology and Evolution
#171
of 207 outputs
Altmetric has tracked 25,382,440 research outputs across all sources so far. This one is in the 10th percentile – i.e., 10% of other outputs scored the same or lower than it.
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We're also able to compare this research output to 207 others from the same source and published within six weeks on either side of this one. This one is in the 9th percentile – i.e., 9% of its contemporaries scored the same or lower than it.