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1 June 2017 High Levels of Adoption Indicate That Harvest Weed Seed Control Is Now an Established Weed Control Practice in Australian Cropping
Michael Walsh, Jackie Ouzman, Peter Newman, Stephen Powles, Rick Llewellyn
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Abstract

HWSC systems that target weed seed production during harvest have been in use in Australian crop production systems for over 30 years. Until recently, though, grower adoption of these systems has been relatively low. It is now apparent with the introduction of a range of new weed seed targeting systems that there is renewed grower interest in the use of this approach to weed control. With the aim of determining the current adoption and use of HWSC systems, 600 crop producers from throughout Australia's cropping regions were interviewed on their adoption and use of these systems. This survey established that 43% of Australian growers are now routinely using HWSC to target weed seed production during grain harvest. The adoption of narrow-windrow burning (30%) was considerably greater than the other currently available techniques of chaff tramlining (7%), chaff carts (3%), bale-direct system (3%), and the Harrington Seed Destructor (HSD) (<1%). When growers were asked about their future use of these systems 82% indicated that they would be using some form of HWSC within five years. Grower preferences for future HWSC use were primarily for either narrow-windrow burning (42%) or the HSD (29%). This very high level of current and potential HWSC adoption signifies that HWSC is now considered an established weed control practice by Australian growers.

© Weed Science Society of America, 2017
Michael Walsh, Jackie Ouzman, Peter Newman, Stephen Powles, and Rick Llewellyn "High Levels of Adoption Indicate That Harvest Weed Seed Control Is Now an Established Weed Control Practice in Australian Cropping," Weed Technology 31(3), 341-347, (1 June 2017). https://doi.org/10.1017/wet.2017.9
Received: 11 November 2016; Accepted: 1 January 2017; Published: 1 June 2017
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KEYWORDS
Bale-direct system
Chaff cart
chaff tramlining
Harrington Seed Destructor (HSD)
narrow-windrow burning
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