Abstract
Abstract At monthly intervals during the establishment year, 90 strawberry plants were excavated and separated into component parts, dried, weighed, and nutrient analyses were performed on the tissues. When growth resumed in spring, biomass and foliar nutrient levels were again measured until fruiting. Individual plant growth was linear during the establishment year, with leaves accounting for the highest percentage of accumulated biomass. In general, nutrient concentrations during the establishment year either remained relatively constant, or declined. The percent increase in biomass accumulation was always greater than the percent decline in nutrient concentration, indicating that strawberry plants have a continuing demand for nutrients during the establishment year. About 50% of the biomass was lost during the winter, mainly in foliage. However, within six weeks of resuming growth in spring, plant size was equivalent to that of the previous autumn. The root system was the only tissue to exhibit a reduction in biomass during fruiting. During this time, foliar nutrients displayed very different concentration patterns. Although this period of fluctuating nutrient levels is generally avoided for leaf sampling and analysis, it is likely that this is when nutrient limitations will have their most pronounced effects.
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Claims 9
Claim · model-written summary
Plant growth was linear during establishment.
Not reportedTaxon
Verbatim
e0“Individual plant growth was linear during the establishment year”
Claim · model-written summary
Leaves contributed the largest share of accumulated biomass.
Not reportedTaxon
Verbatim
e0“leaves accounting for the highest percentage of accumulated biomass”
Claim · model-written summary
Nutrient concentrations stayed relatively constant or declined during establishment.
Not reportedTaxon
Verbatim
e0“nutrient concentrations during the establishment year either remained relatively constant, or declined”
Claim · model-written summary
The percent biomass increase always exceeded the percent nutrient-concentration decline.
- Outcome
- percent increase in biomass accumulatione0
- Direction
- greatere0
- Qualifier
- percent decline in nutrient concentratione0
Not reportedTaxonComparator
Verbatim
e0“The percent increase in biomass accumulation was always greater than the percent decline in nutrient concentration”
Claim · model-written summary
About 50% of biomass was lost over winter, mainly foliage.
Not reportedTaxon
Verbatim
e0“About 50% of the biomass was lost during the winter, mainly in foliage”
Claim · model-written summary
Within six spring weeks, plant size recovered to the previous autumn level.
Not reportedTaxon
Verbatim
e0“within six weeks of resuming growth in spring, plant size was equivalent to that of the previous autumn”
Claim · model-written summary
Roots alone lost biomass during fruiting.
Not reportedTaxon
Verbatim
e0“The root system was the only tissue to exhibit a reduction in biomass during fruiting”
Claim · model-written summary
Foliar nutrient concentrations showed varying patterns during fruiting.
Not reportedTaxon
Verbatim
e0“During this time, foliar nutrients displayed very different concentration patterns”
Claim · model-written summary
Nutrient limitations likely have their strongest effects during the fluctuating fruiting period.
- Outcome
- nutrient limitations will have their most pronounced effectse0
Not reportedTaxon
Verbatim
e0“it is likely that this is when nutrient limitations will have their most pronounced effects”