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Publication Type J
Authors Gates, C. T. and W. Muirhead
Title Studies of the tolerance of Atriplex species: I. Environmental characteristics and plant response of A. vesicaria, A. nummularia and A. semibaccata
Source Aust J Exp Agr Anim Husb
Abstract The effect of climate on the growth of 3 species of Atriplex, A. vesicara, A. nummularia Lindl., and A. semibaccata, was measured for 2 years in the Riverine plains area of Australia. A single harvest of Kochia georgii was also made. Plant life in the area is exposed to the stresses of wide diurnal and seasonal extremes of temperature humidity and to low rainfall, with high actual evaporation and evapotranspiration rates during the summer. The plants also grow in soils that are highly saline with an unfavourable ratio of sodium to potassium contents. Despite these adverse conditions for plant growth the Atriplex species and Kochia georgii were well adapted and had high leaf weight ratios. The species were summer growers. A. semibaccata was dormant in the winter, but the other Atriplex species remained green and healthy, although they grew very little during the winter. The ratios of leaf to stem weights and the leaf water content showed seasonal fluctuations in the Atriplex species, but these were modified in accord with previous rainfall and evaporation rates. The remarkable capacity of Atriplex species to remain leafy and viable, under such adverse conditions, as were observed, is a major factor contributing to its pastoral importance in these inland areas. || ABSTRACT AUTHORS: Authors
Publication Date 1967
Year Published 1967
Volume 7
Issue (24)
Beginning Page 39-49
Digital Object Identifier (DOI) 10.1071/ea9670039
Unique Article Identifier BCI:BCI19674800066738
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