Conclusions
A semi-seasonal analysis of DD distinguished different
influences on DD, such as plant age, fruit load and water
status. Furthermore, diurnal data revealed some very close
relationships between FH2O and DD. By applying data to the
modified flow and storage model of Steppe et al. (2006) for
tomato, diurnal relationships were elucidated using a distinction
between plastic and elastic DD. Tomato stems, in contrast to trees,
could maintain growth while transpiring because a large
difference between Yp and G was maintained. Finally, the
simultaneous response of D and FH2O to irrigation events
showed that it was possible to detect water shortages although
this concept still needs investigation.
ConclusionsA semi-seasonal analysis of DD distinguished differentinfluences on DD, such as plant age, fruit load and waterstatus. Furthermore, diurnal data revealed some very closerelationships between FH2O and DD. By applying data to themodified flow and storage model of Steppe et al. (2006) fortomato, diurnal relationships were elucidated using a distinctionbetween plastic and elastic DD. Tomato stems, in contrast to trees,could maintain growth while transpiring because a largedifference between Yp and G was maintained. Finally, thesimultaneous response of D and FH2O to irrigation eventsshowed that it was possible to detect water shortages althoughthis concept still needs investigation.
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