Seeding date, seeding rate, and row spacing affect wheat (Triticum aestivum) and cheat (Bromus secalinus)

Field experiments were conducted in Oklahoma to determine the effects of winter wheat seeding date and cheat infestation level on cultural cheat control obtained by increasing winter wheat seeding rates and decreasing row spacing. Seeding rate and row spacing interactions influenced cheat density, b...

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Veröffentlicht in:Weed technology 1991-10, Vol.5 (4), p.707-712
Hauptverfasser: Koscelny, J.A. (Oklahoma State University, Stillwater, OK), Peeper, T.F, Solie, J.B, Solomon, S.G. Jr
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container_end_page 712
container_issue 4
container_start_page 707
container_title Weed technology
container_volume 5
creator Koscelny, J.A. (Oklahoma State University, Stillwater, OK)
Peeper, T.F
Solie, J.B
Solomon, S.G. Jr
description Field experiments were conducted in Oklahoma to determine the effects of winter wheat seeding date and cheat infestation level on cultural cheat control obtained by increasing winter wheat seeding rates and decreasing row spacing. Seeding rate and row spacing interactions influenced cheat density, biomass, or seed in harvested wheat (dockage) at two of three locations. Suppressive effects on cheat of increasing wheat seeding rates and reduced row spacings were greater in wheat seeded in September than later. At two other locations, increasing seeding rate from 67 to$101\ {\rm kg}\ {\rm ha}^{-1}$or reducing row spacings from 22.5 to 15 cm increased winter wheat yield over a range of cheat infestation levels.
doi_str_mv 10.1017/S0890037X0003373X
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At two other locations, increasing seeding rate from 67 to$101\ {\rm kg}\ {\rm ha}^{-1}$or reducing row spacings from 22.5 to 15 cm increased winter wheat yield over a range of cheat infestation levels.</abstract><pub>Weed Science Society of America</pub><doi>10.1017/S0890037X0003373X</doi><tpages>6</tpages></addata></record>
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identifier ISSN: 0890-037X
ispartof Weed technology, 1991-10, Vol.5 (4), p.707-712
issn 0890-037X
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subjects BIOLOGICAL COMPETITION
Biomass
BROMUS
CANTIDAD DE SEMILLA REQUERIDA
COMPETENCIA BIOLOGICA
COMPETITION BIOLOGIQUE
CONTROL CULTURAL
CROP YIELD
CULTURAL CONTROL
DATE DE SEMIS
DENSITE DE SEMIS
Density
DESHERBAGE
ESCARDA
ESPACEMENT
ESPACIAMIENTO
FECHA DE SIEMBRA
GRAIN
Grains
GRANOS
Infestation
LUTTE CULTURALE
MACOLLAMIENTO
MALEZAS
MAUVAISE HERBE
OKLAHOMA
Plants
RENDEMENT DES CULTURES
RENDIMIENTO DE CULTIVOS
Row spacing
Seeding
SEEDING RATES
Soil organic matter
SOWING DATE
SOWING RATES
SPACING
TALLAGE
TILLERING
TRITICUM AESTIVUM
WEED CONTROL
WEEDS
Wheat
title Seeding date, seeding rate, and row spacing affect wheat (Triticum aestivum) and cheat (Bromus secalinus)
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