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Screening for waterlogging tolerance in strawberry clover and other perennial legumes


Stevenson, K and Zhou, M and Smith, R, Screening for waterlogging tolerance in strawberry clover and other perennial legumes, Proceedings of the 18th Australian Society of Agronomy Conference, 24-28 September 2017, Ballarat, Victoria (2017) [Refereed Conference Paper]

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Copyright 2016 the Author & Australian Society of Agronomy

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Soil waterlogging and salinity have negative impacts on the growth and productivity of perennial pasture systems. Commonly used perennial legume species such as white clover (Trifolium repens) and lucerne (Medicago sativa) are relatively salt and waterlogging sensitive, thus not suitable for areas prone to these conditions. Alternative species such as strawberry clover (Trifolium fragiferum) which are known to have high tolerance to waterlogging and salinity can be used to maintain productivity and persistence of legumes within affected pastures. Palestine is the major commercial strawberry clover cultivar currently used in Tasmania. Some Tasmanian breeding lines showed great potential of being commercialised. The aim of this experiment was to compare the waterlogging tolerance of these breeding lines with Palestine as well as Talish clover (Trifolium tumens), white clover (Trifolium repens), red clover (Trifolium pratense), Caucasian clover (Trifolium ambiguum) and a sensitive barley (Hordeum vulgare) variety. The experiment was conducted outside and the duration of the experiment from germination to harvest was 75 days with the waterlogging treatment imposed at day 54. The level of tolerance was assessed by observing the chlorophyll content, chlorophyll fluorescence and wet/dry weights of plants weekly. Three of the Tasmanian Institute of Agricultures advanced selections were observed to have the potential to have a higher tolerance to waterlogging than cv. Palestine.

Item Details

Item Type:Refereed Conference Paper
Keywords:strawberry clover, waterlogging, tolerance, establishment
Research Division:Agricultural, Veterinary and Food Sciences
Research Group:Crop and pasture production
Research Field:Crop and pasture improvement (incl. selection and breeding)
Objective Division:Animal Production and Animal Primary Products
Objective Group:Pasture, browse and fodder crops
Objective Field:Sown pastures (excl. lucerne)
UTAS Author:Stevenson, K (Ms Kristy Stevenson)
UTAS Author:Zhou, M (Professor Meixue Zhou)
UTAS Author:Smith, R (Dr Rowan Smith)
ID Code:118225
Year Published:2017
Deposited By:Tasmanian Institute of Agriculture
Deposited On:2017-07-06
Last Modified:2018-10-15

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