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Leaf growth and senescence rates in brown-back wallaby grass


Daily, H and Lisson, S and Bridle, K and Lane, PA and Anderson, S and Corkrey, R, Leaf growth and senescence rates in brown-back wallaby grass, 22nd International Grassland Congress 2013, 15-19 September 2013, Sydney, Australia (2013) [Conference Extract]


Knowledge of leaf turnover in grasses is necessary to model curing (the accumulation of dead material in the sward) which is not well represented in current pasture growth models, nor for many Australian native species. Leaf turnover begins with the appearance of successive leaves, which elongate until typically, a leaf ligule develops to indicate a mature fully expanded length. Green leaf life span extends from appearance to the beginning of senescence, which ultimately leads to death (Figure 1). Here, the individual rates of leaf growth and senescence for the Australian native brown-back wallaby grass, Rytidosperma duttonianum (Cashmore) Connor & Edgar, over the whole life cycle, are reported.

Item Details

Item Type:Conference Extract
Research Division:Agricultural, Veterinary and Food Sciences
Research Group:Crop and pasture production
Research Field:Crop and pasture biochemistry and physiology
Objective Division:Plant Production and Plant Primary Products
Objective Group:Forestry
Objective Field:Forestry not elsewhere classified
UTAS Author:Daily, H (Ms Helen Daily)
UTAS Author:Lisson, S (Dr Shaun Lisson)
UTAS Author:Bridle, K (Dr Kerry Bridle)
UTAS Author:Lane, PA (Associate Professor Peter Lane)
UTAS Author:Corkrey, R (Dr Ross Corkrey)
ID Code:83946
Year Published:2013
Deposited By:Tasmanian Institute of Agriculture
Deposited On:2013-03-31
Last Modified:2015-01-28

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