Weed control weak links in dryland cotton cropping systems.

Book Title: NA
Year Published: 2004
Month Published: NA
Author: Walker, S. ; Taylor, I.
Book Group Author: NA
Abstract:

In 2001 in Darling Downs and northern New South Wales (Australia), growers were surveyed on the cropping system and weed control practices they adopted. Growers indicated that soil water conservation and weed control were the main reasons for the selection of crops rotated. Approximately one-half of the growers grew dryland cotton in rotations with one or two wheat crops. Another common rotation (used by about a quarter of the growers) consisted of either just sorghum or sorghum with one or two wheat crops. Dryland cotton was also grown continuously by some growers, or in much more complex systems with various combinations of winter and summer cereals and pulses. Majority of growers used glyphosate either alone or mixed with 2,4-D amine, fluroxypyr or metsulfuron-methyl [metsulfuron] for fallow control. Most growers achieved effective control of wild oats [Avena fatua] and paradoxa grass [Phalaris paradoxa] in winter fallow, but less achieved equivalent control for liverseed [Urochloa panicoides] and barnyard grass [Echinochloa crus-galli] in summer fallow. In summer crops, particularly in dryland cotton, fluometuron + prometryn mixes (applied at preemergence and postemergence) and glyphosate (between rows) were commonly sprayed. Many growers also used interrow cultivation and some chipping. In sorghum, atrazine and atrazine mixes were the most common herbicides, and some interrow cultivation was performed, although to a lesser extent than in dryland cotton. In winter crops, majority of wheat growers applied metsulfuron-methyl, MCPA, or mixes of these herbicides for broadleaf weed control, and clodinafop or fenoxaprop to control grass weeds. Chickpea growers mainly used haloxyfop, simazine or mixes with simazine, although some applied glyphosate (between rows).

Pages: 26 - 28
URL: http:////0-search.ebscohost.com.catalog.library.colostate.edu/login.aspx?direct=true&AuthType=cookie,ip,url,cpid&custid=s4640792&db=lah&AN=20043142228&site=ehost-live
Volume: 25
Number: 4
Journal: Australian Cottongrower
Journal ISO: NA
Organization: NA
Publisher: NA
ISBN: NA
ISSN: 1442-5289
DOI: NA
Keywords:

2,4-D, atrazine, chemical control, clodinafop, cotton,cropping systems, cultural control, fallow, fenoxaprop, fluometuron,fluroxypyr, glyphosate, haloxyfop, herbicide mixtures, herbicides,interrow cultivation, metsulfuron, prometryn, rotations, simazine, weedcontrol, weeds, wheat, Australia, New South Wales, Avena fatua,Echinochloa crus-galli, Gossypium, Gossypium hirsutum, Phalarisparadoxa, Sorghum bicolor, Triticum, Triticum aestivum, Urochloapanicoides, Avena, Poaceae, Cyperales, monocotyledons, angiosperms,Spermatophyta, plants, eukaryotes, Echinochloa, Malvaceae, Malvales,dicotyledons, Gossypium, Phalaris, Sorghum, Triticum, Urochloa,Australasia, Oceania, Developed Countries, Commonwealth of Nations, OECDCountries, Australia, crop rotation, fallowing, prometryne, rotationalcropping, weedicides, weedkillers, Field Crops (FF005) (New March 2000),Plant Cropping Systems (FF150), Weeds and Noxious Plants (FF500),Environmental Pest Management (HH200), Pesticides and Drugs

Source: EBSCO
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