Integrated weed management approach to improve weed control efficiencies for sustainable rice production in dry-seeded systems

被引：26

作者：

Chauhan, Bhagirath Singh ^{[1
]}

Ahmed, Sharif ^{[2
]}

Awan, Tahir Hussain ^{[2
]}

Jabran, Khawar ^{[3
]}

Manalil, Sudheesh ^{[4
,5
]}

机构：

[1] Univ Queensland, Queensland Alliance Agr & Food Innovat QAAFI, Toowoomba, Qld 4350, Australia

[2] Int Rice Res Inst, Los Banos, Philippines

[3] Adnan Menderes Univ, Dept Plant Protect, Aydin, Turkey

[4] Australian Cotton Res Inst, New South Wales Dept Primary Ind, Narrabri, NSW, Australia

[5] Univ Western Australia, Sch Plant Biol, Inst Agr, Nedlands, WA 6009, Australia

来源：

CROP PROTECTION | 2015年 / 71卷

关键词：

Rice yield; Labour; Rice panicle; Mechanical control; Sequential herbicide application; Weed biomass; Weed density; HERBICIDE RESISTANCE; GRAIN-YIELD; WATER; RATES; PERFORMANCE; EVOLUTION; MIXTURES; EFFICACY; TILLAGE; GROWTH;

D O I：

10.1016/j.cropro.2015.01.012

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

Weed management is the major challenge to the success of dry-seeded rice (DSR). A field study was conducted during the dry seasons of 2013 and 2014 at the International Rice Research Institute to evaluate the performance of herbicides combined with mechanical weeding in DSR. The lowest weed density and biomass were found in the treatment oxadiazon followed by (fb) fenoxaprop + ethoxysulfuron fb 2,4-D fb mechanical weeding (MW) at 42 days after sowing (DAS). However, this treatment had similar weed density and biomass to the treatments oxadiazon fb bispyribac-sodium fb fenoxaprop + ethoxysulfuron fb 2,4-D,oxadiazon fb bispyribac-sodium fb 2,4-D, and oxadiazon fb MW (28 DAS) fb MW (42 DAS). The highest weed density and biomass were recorded in the treatment oxadiazon fb MW (28 DAS) and oxadiazon fb 2,4-D. Higher grain yield (5.3-5.8 t ha(-1)) was produced in the plots that received oxadiazon fb fenoxaprop + ethoxysulfuron fb 2,4-D fb MW(42 DAS) and oxadiazon fb bispyribac-sodium fb fenoxaprop + ethoxysulfuron fb 2,4-D. The results of this study provide sustainable weed management options to farmers growing DSR. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：19 / 24

页数：6

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