| |
| DOI: | 10.1046/j.1469-8137.1999.00482.x |
|---|
| Web URL(s): | http://www.jstor.org/stable/view/2588327
Last checked: 07/16/2014
Access conditions: Item is within a limited-access website
http://www.jstor.org/stable/pdfplus/2588327.pdf
Last checked: 07/16/2014
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
|---|
| Publication Type:
| Refereed |
|---|
| Author(s): | Rubio, Gerardo;
Lavado, Raul S. |
|---|
| Author Affiliation: | Cátedra de Fertilidad y Fertilizantes, Facultad de Agronomía, Universidad de Buenos Aires, Argentina |
|---|
| Title: | Acquistion and allocation of resources in two waterlogging-tolerant grasses |
|---|
| Section: | Research
Other records with the "Research" Section
|
|---|
| Source: | New Phytologist. Vol. 143, No. 3, September 1999, p. 539-546. |
|---|
| Publishing Information: | Oxford, England: Cambridge University Press. |
|---|
| # of Pages: | 8 |
|---|
| Related Web URL: | http://www.jstor.org/stable/info/2588327
Last checked: 07/16/2014
Notes: Abstract only |
|---|
| Keywords: | TIC Keywords: Paspalum dilatatum; Danthonia; Comparisons; Flooding; Flooded conditions; Waterlogging; Root-shoot ratio; Biomass; Phosphorus; Nitrogen; Nutrient uptake; Environmental factors; Growth; Root growth
|
|---|
| Abstract/Contents: | "This study focuses on the following questions: (i) whether reductions in root:shoot ratio have a cost in terms of nutrient balance of the plant, and (ii) whether changes in resource-allocation patterns are proportional among different resources. Our approach was to analyse the variations in the allocation pattern induced by soil waterlogging. A pot experiment was conducted to analyse the effects of waterlogging on biomass, phosphorus (P) and nitrogen (N) accumulation of Paspalum dilatatum and Danthonia montevidensis, two waterlogging-tolerant grasses. When changing from oxic to anoxic conditions, a common response of these and other waterlogging-tolerant grasses is a reduction in allocation to below-ground resources. It was observed that (i) the reduction in root:shoot ratio caused by waterlogging did not have a cost in terms of capacity for nutrient uptake; (ii) resource partitioning within aerial parts was less sensitive to treatments than partitioning between roots and shoots; and (iii) biomass does not appear to be a useful currency for evaluating nutrient-allocation patterns, as the allocation of P and N was inadequately represented by biomass. The results presented here indicate that the existence of compensation mechanisms reduces the predictive values of the partition of resources for the capacity of plants to acquire resources. Data on the allocation of nutrients in relation to biomass suggest that the assumptions of independence in the allocation pattern between biomass and limiting nutrients under the effects of environmental factors can be extended." |
|---|
| Language: | English |
|---|
| References: | 31 |
|---|
| Note: | Tables
Graphs |
|---|
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Rubio, G., and R. S. Lavado. 1999. Acquistion and allocation of resources in two waterlogging-tolerant grasses. New Phytol. 143(3):p. 539-546. |
| Fastlink to access this record outside TGIF: https://tic.msu.edu/tgif/flink?recno=62540 |
| If there are problems with this record, send us feedback about record 62540. |
| Choices for finding the above item: |
|---|
| DOI: 10.1046/j.1469-8137.1999.00482.x |
| Web URL(s):
http://www.jstor.org/stable/view/2588327
Last checked: 07/16/2014
Access conditions: Item is within a limited-access website
http://www.jstor.org/stable/pdfplus/2588327.pdf
Last checked: 07/16/2014
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
| 
MSU catalog number: QK 1 .N38 |
| Find from within TIC:
Digitally in TIC by record number. |
| Request through your local library's inter-library loan service (bring or send a copy of this TGIF record) |
