Transpiration and growth of young African mahogany plants subject to different water regimes

International Journal of Biometeorology
Derblai CasaroliRilner Alves Flores

Abstract

Timber production has been prominent in the Brazil scenario to minimize deforestation. Thus, technical information is necessary to define the productive process of the African mahogany in the Midwest region of Brazil, especially with regard to its hydric parameters. Recent studies, reported in the literature, have shown that irrigation improves the performance of young African mahogany plants in the field. Sap flow measurement can be used to estimate transpiration of perennial plants and to determine their water demand. This study evaluated the influence of two water regimes on the transpiration and growth of an African mahogany forest after irrigation has ceased. Moreover, this study also characterizes the seasonal patterns of transpiration and growth of African mahogany under these conditions. African mahogany plants with 2.5 years of age were cultivated in Bonfinopolis-GO and evaluated for 2 years. Treatments were IT-irrigated until 2 years of age-and NIT-non-irrigated. Plant height (PH), breast height diameter (DBH), trunk volume (TRV), leaf area (LA), leaf dry matter (LDM), and transpiration (T) were monitored by heat dissipation probe (HDP) between Oct/2014 and Oct/2015. Higher growth in LA, DBH, and LDM were observed in ...Continue Reading

References

Mar 26, 2003·Tree Physiology·Michael J. ClearwaterN. Michelle Holbrook
Mar 26, 2003·Tree Physiology·Louis S. SantiagoDieter Mueller-Dombois
Apr 2, 2008·Amino Acids·Nathalie Verbruggen, Christian Hermans
Dec 1, 1996·Oecologia·J CanadellE-D Schulze

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