PASTURE SEEDS 
41 pages
Published: 4 Mar 2010
Author(s): McKay, Alan, Barro, James De, Keller, Kathy Ophel
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Lucerne seed exports are worth $30 million pa to Australia. Overseas markets require phytosanitary declarations for bacterial wilt in lucerne. In addition, Western Australia has a legislative requirement for freedom from bacterial wilt of lucerne seed.
Bacterial wilt of lucerne is caused by the bacterium, Clavibacter michiganensis subsp. insidiosus (Cmi). The bacterium has been found in lucerne stands in the main lucerne seed production area of South Australia where over 90% of Australia’s export lucerne seed is produced.
Although the bacterium causes little apparent yield loss, its presence in seed production areas means that annual phytosanitary inspections and testing are undertaken to ensure that seed crops are free of Cmi.
The aim of this RIRDC research was to better understand the survival of Cmi so that management strategies can be developed to reduce the inoculum of Cmi to a very low level, to reduce risk of seed infection in subsequent seed crops.
This study evaluated the level of resistance to commonly used herbicide groups in three key weeds affecting lucerne seed crops in commercial production areas of...
The lucerne seed industry is an important contributor to Australian agriculture, worth an estimated $95 million per year. The industry is made up of more...
Temperate pasture seed production is concentrated in locations within southeastern Australia and southwestern Western Australia. Lucerne dominates, accounting for about 75% of the area sown...
Building on from earlier AgriFutures Australia-funded research into lucerne seed wasp (LSW), several DNA tests have been developed to give a more precise measure of...
This report summarises the development of DNA tests for lucerne seed wasp (LSW), Bruchophagus roddi, and two associated parasitoid wasps, Idiomacromerus perplexus and Pteromalus sequester,...
Lucerne is an important pasture species in Australia and pest management is critical in seed crops to maximise yield. The Australian crop mirid (Sidnia kinbergi)...
Subterranean clover (sub clover; Trifolium subterraneum) has been sown across more than 29.3 M ha (Nichols et al. 2012), demonstrating its global importance to animal...
The Horwood Bagshaw Clover Harvester, also known as the HB, is the most common machine for harvesting subterranean clover and annual medic seeds in Australia....
