Your search found 6 records
1 Homaee, M. 1999. Root water uptake under non-uniform transient salinity and water stress. Wageningen, Netherlands: Wageningen Agricultural University. 173p.
(Location: IWMI HQ Call no: D 581.498 G000 HOM Record No: H040148)
2 Pierret, Alain; Doussan, C.; Capowiez, Y.; Bastardie, F.; Pages, L. 2007. New computer models of plant roots. CSA News, 52(7): 1.
(Location: IWMI HQ Call no: IWMI 631.4 G000 PIE Record No: H040873)
3 Pierret, Alain [IWMI] 2008. Multi-spectral imaging of rhizobox systems: new perspectives for the observation and discrimination of rhizosphere components. Plant and Soil, 310(1-2):263-268.
(Location: IWMI HQ Call no: IWMI 575.5438 G000 PIE Record No: H041521)
4 Pages, L.; Serra, V.; Draye, X.; Doussan, C.; Pierret, Alain. 2009. Estimating root elongation rates from morphological measurements of the root tip. Plant and Soil, 328(1-2):35-44. [doi: https://doi.org/10.1007/s11104-009-0079-x]
(Location: IWMI HQ Call no: e-copy only Record No: H042680)
(0.19 MB)
To measure the elongation rate of individual roots in soil remains a challenge. A novel method for estimating elongation rates of excavated roots is presented. Morphological markers are identified along the tip of excavated roots, and their distance relative to the apex is measured. These markers correspond to developmental stages which follow known temporal patterns. Hence, their distance relative to the apex reflects root elongation during the period corresponding to their development. The method was tested on maize roots grown in a range of conditions and substrates. It was found that distances from markers to apices were proportional, with some variability, to elongation rates. Remarkably, the linear relationships between these distances were neither affected by substrate, nor by growing conditions. Using several markers allows covering time periods ranging from 0.3 day to 3 days as well as cross validation of estimates. Provided further testing, under a wider range of environmental conditions, is conducted, the concepts presented in this paper may serve to define a new measurement technique.
5 Carr, M. K. V.; Lockwood, R.; Knox, J. W. 2012. Advances in irrigation agronomy: plantation crops. New York, NY, USA: Cambridge University Press. 343p.
Plantations ; Agriculture ; Crop production ; Roots ; Bananas ; Theobroma cacao ; Coconuts ; Coffee ; Oil palms ; Rubber crops ; Sisal ; Sugarcane ; Tea ; Plant water relations ; Water requirements ; Water productivity ; Irrigation systems ; Irrigation scheduling ; Drip irrigation ; Evapotranspiration ; Drought
(Location: IWMI HQ Call no: 633 G000 CAR Record No: H045937)
6 Pierret, A.; Lacombe, Guillaume. 2018. Hydrologic regulation of plant rooting depth: Breakthrough or observational conundrum? Proceedings of the National Academy of Sciences of the United States of America, 115(12):E2669-E2670. [doi: https://doi.org/10.1073/pnas.1801721115]
Hydrological factors ; Plant breeding ; Roots ; Water table ; Water supply ; Waterlogging ; Nutrients
(Location: IWMI HQ Call no: e-copy only Record No: H048616)
(499 KB)
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