Understanding lolium rigidum seeds: The key to managing a problem weed?

Goggin, Danica. E, Powles, Stephen. B and Steadman, Kathryn (2012) Understanding lolium rigidum seeds: The key to managing a problem weed?. Agronomy, 2 3: 222-239. doi:10.3390/agronomy2030222

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Author Goggin, Danica. E
Powles, Stephen. B
Steadman, Kathryn
Title Understanding lolium rigidum seeds: The key to managing a problem weed?
Journal name Agronomy   Check publisher's open access policy
ISSN 2073-4395
Publication date 2012-09-24
Sub-type Article (original research)
DOI 10.3390/agronomy2030222
Open Access Status DOI
Volume 2
Issue 3
Start page 222
End page 239
Total pages 18
Place of publication Basel, Switzerland
Publisher M D P I AG
Collection year 2013
Language eng
Abstract The 40 million hectare southern Australian winter cropping region suffers from widespread infestation by Lolium rigidum (commonly known as annual or rigid ryegrass), a Mediterranean species initially introduced as a pasture plant. Along with its high competitiveness within crops, rapid adaptability and widespread resistance to herbicides, the dormancy of its seeds means that L. rigidum is the primary weed in southern Australian agriculture. With the individuals within a L. rigidum population exhibiting varying levels of seed dormancy, germination can be staggered across the crop-growing season, making complete weed removal virtually impossible, and ensuring that the weed seed bank is constantly replenished. By understanding the processes involved in induction and release of dormancy in L. rigidum seeds, it may be possible to develop strategies to more effectively manage this pest without further stretching herbicide resources. This review examines L. rigidum seed dormancy and germination from a weed-management perspective and explains how the seed bank can be depleted by control strategies encompassing all stages in the lifecycle of a seed, from development to germination.
Keyword After-ripening
No-till farming
Weed management
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Queensland Alliance for Agriculture and Food Innovation
Official 2013 Collection
School of Pharmacy Publications
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Created: Wed, 24 Oct 2012, 10:15:34 EST by Charna Kovacevic on behalf of School of Pharmacy