Weed management in mechanized-sown, zero-till dry-seeded rice

Chauhan, Bhagirath S. and Abugho, Seth B. (2013) Weed management in mechanized-sown, zero-till dry-seeded rice. Weed Technology, 27 1: 28-33. doi:10.1614/WT-D-12-00088.1


Author Chauhan, Bhagirath S.
Abugho, Seth B.
Title Weed management in mechanized-sown, zero-till dry-seeded rice
Journal name Weed Technology   Check publisher's open access policy
ISSN 0890-037X
1550-2740
Publication date 2013-01-01
Year available 2013
Sub-type Article (original research)
DOI 10.1614/WT-D-12-00088.1
Open Access Status DOI
Volume 27
Issue 1
Start page 28
End page 33
Total pages 6
Place of publication Lawrence, KS United States
Publisher Weed Science Society of America
Language eng
Subject 1102 Cardiovascular Medicine and Haematology
1110 Nursing
Formatted abstract
 Weeds are the main constraint in the adoption of zero-till, dry-seeded rice systems because weeds and rice emerge simultaneously in these systems, and there is no standing water at crop establishment to suppress weeds. A study was conducted during the wet season of 2011 and the dry season of 2012 at the International Rice Research Institute to evaluate the performance of different herbicides in mechanized-sown, zero-till dry-seeded rice. Among the treatments evaluated, oxadiazon followed by penoxsulam + cyhalofop followed by one hand-weeding at 42 d after sowing, provided 23 to 35% higher yield than the nontreated control. The yields in the oxadiazon-treated plots were similar to those in the weed-free plots. Some weed species, including eclipta and doveweed, were not controlled by the evaluated herbicides. Therefore, there is a need to evaluate additional herbicides and to integrate them with cultural weed management strategies to manage such problematic weeds.
Keyword Biomass
Dry seeded rice
Efficacy
Weed density
Zero till
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: Queensland Alliance for Agriculture and Food Innovation
 
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