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https://hdl.handle.net/2440/43397
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dc.contributor.author | Chauhan, B. | - |
dc.contributor.author | Gill, G. | - |
dc.contributor.author | Preston, C. | - |
dc.date.issued | 2007 | - |
dc.identifier.citation | Weed Technology, 2007; 21(1):225-229 | - |
dc.identifier.issn | 0890-037X | - |
dc.identifier.issn | 1550-2740 | - |
dc.identifier.uri | http://hdl.handle.net/2440/43397 | - |
dc.description | © 2008 Weed Science Society of America. All rights reserved. | - |
dc.description.abstract | The efficacy of metolachlor on rigid ryegrass was determined under a no-till seeding system in an experiment conducted in 2004 and 2005 in South Australia. Metolachlor at a rate of 0.48 and 0.96kg ai/ha was applied at 40 or 46d (very early preplant, VEPP) and 20 or 23d before crop sowing (early preplant, EPP), and at sowing (preplant, PP) in 2004 and 2005; the herbicide was incorporated by sowing. The control of rigid ryegrass was greater than 80% when metolachlor was applied PP; however, that application resulted in phytotoxic effects on emergence and yield of wheat; metolachlor was more phytotoxic when applied at 0.96kg/ha than at 0.48kg/ha. Metolachlor applied EPP provided 71 to 83% rigid ryegrass control, whereas VEPP application provided only 33 to 49% control. Reduction in wheat grain yield was not observed at these application times. This study indicates that metolachlor at 0.48kg/ha could be safely applied around 20d before crop sowing to selectively control rigid ryegrass in wheat. | - |
dc.description.statementofresponsibility | Bhagirath S. Chauhan, Gurjeet S. Gill, and Christopher Preston | - |
dc.language.iso | en | - |
dc.publisher | Weed Sci Soc Amer | - |
dc.source.uri | http://dx.doi.org/10.1614/wt-06-044.1 | - |
dc.subject | Weed control | - |
dc.subject | Weed emergence | - |
dc.title | Timing and dose of metolachlor affect rigid ryegrass (Lolium rigidum) control in wheat | - |
dc.type | Journal article | - |
dc.identifier.doi | 10.1614/WT-06-044.1 | - |
pubs.publication-status | Published | - |
dc.identifier.orcid | Gill, G. [0000-0002-3773-8100] | - |
dc.identifier.orcid | Preston, C. [0000-0002-7588-124X] | - |
Appears in Collections: | Agriculture, Food and Wine publications Aurora harvest 6 |
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