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Light-Activated, Sensor-Controlled Sprayer Provides Effective Postemergence Control of Broadleaf Weeds in Fallow

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A study was conducted in summer fallow fields near Davenport, WA, and Pendleton, OR, in 2007 and 2008 to evaluate the POST weed control efficacy of herbicide treatments applied with a light-activated, sensor-controlled (LASC) sprayer compared to the broadcast application of glyphosate. The LASC application of glyphosate alone (at all rates) and in mixture with pyrasulfotole plus bromoxynil or 2,4-D had weed control (≥ 88%) and dry weight (≤ 6% of control) similar to the broadcast application of glyphosate across locations and years. Tumble pigweed and prickly lettuce control with bromoxynil, 2,4-D, or carfentrazone plus dicamba, was 12 to 85% less than glyphosate applied alone with LASC or broadcast sprayer. Overall, none of the tested alternate herbicides was promising enough to replace glyphosate under present conditions.

Nomenclature: 2,4-D; bromoxynil; carfentrazone; dicamba; glyphosate; pyrasulfotole; prickly lettuce, Lactuca serriola L.LACSE; tumble mustard, Sisymbrium altissimum L. SSYAL; tumble pigweed, Amaranthus albus L. AMAAL.

Key words: Chemical fallow, herbicide efficacy, herbicide resistance, synthetic auxins, winter wheat.

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Ketersediaan

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Informasi Detail

Judul Seri

Weed Technology

No. Panggil

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Penerbit

New York : Weed Science Society America., 2011

Deskripsi Fisik

Weed Technology 2011 25:447–453

Bahasa

English

ISBN/ISSN

DOI: 10.1614/WT-D-10

Klasifikasi

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Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

25, July–September 2011

Subjek

PERTANIAN.
ILMU GULMA

Info Detail Spesifik

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Pernyataan Tanggungjawab

agus

Versi lain/terkait

Lampiran Berkas

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