Provenance variation in water relations of Acacia auriculiformis grown in Thailand

被引:0
|
作者
Puangchit, L [1 ]
Rochanamethakul, P [1 ]
Thongchet, W [1 ]
机构
[1] Kasetsart Univ, Fac Forestry, Bangkok 10900, Thailand
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中图分类号
S3 [农学(农艺学)];
学科分类号
0901 ;
摘要
Stomatal conductance, phyllode water potential and total phyllode area were measured in provenance trials of Acacia auriculiformis in Kanchanaburi province, western Thailand. The data were collected daily and seasonally from 7-year-old trees. Provenances and trees selected for the measurement originated from three regions, i.e. Northern Territory (NT), Queensland (Qld) and Papua New Guinea (PNG). Physiological differences among the three provenances were small and not significantly significant. The Queensland provenance had the smallest tree phyllode area and the Papua New Guinea provenance the largest. Stomatal conductance and phyllode water potential were high during the wet season, and low in the dry season.
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页码:305 / 312
页数:8
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