Effects of Narrow-Windrow Burning on Weed Dynamics in Soybean in Louisiana

The soil seedbank allows for long-term persistence of weed species in agricultural fields. Some weed species can persist in the soil seedbank for extended periods. Restricting inputs into the weed seedbank has a large impact on future population density and influences management practices of these w...

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Main Authors: Katie M. Patterson, Lauren M. Schwartz-Lazaro, Gabrielle LaBiche, Daniel O. Stephenson
Format: Article
Language:English
Published: Frontiers Media S.A. 2021-10-01
Series:Frontiers in Agronomy
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fagro.2021.730280/full
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author Katie M. Patterson
Lauren M. Schwartz-Lazaro
Gabrielle LaBiche
Daniel O. Stephenson
author_facet Katie M. Patterson
Lauren M. Schwartz-Lazaro
Gabrielle LaBiche
Daniel O. Stephenson
author_sort Katie M. Patterson
collection DOAJ
description The soil seedbank allows for long-term persistence of weed species in agricultural fields. Some weed species can persist in the soil seedbank for extended periods. Restricting inputs into the weed seedbank has a large impact on future population density and influences management practices of these weeds in soybean production systems. Harvest weed seed control (HWSC) tactics incorporate mechanical and cultural management strategies to target weed seeds present at harvest. A 3-year trial was initiated to determine if continual use of the HWSC method, narrow windrow burning, selects for earlier seed set and shattering in Louisiana soybean. No shifts in weed populations or shattering time were observed. However, there was a significant reduction in weed density and the weed seed present in the soil seedbank when HWSC and robust herbicide programs were used in combination. Therefore, utilizing multiple effective weed management strategies is imperative in reducing the soil seedbank.
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spelling doaj.art-1a3831d35e1a4bcf9ba0696e935599dc2022-12-21T23:10:49ZengFrontiers Media S.A.Frontiers in Agronomy2673-32182021-10-01310.3389/fagro.2021.730280730280Effects of Narrow-Windrow Burning on Weed Dynamics in Soybean in LouisianaKatie M. Patterson0Lauren M. Schwartz-Lazaro1Gabrielle LaBiche2Daniel O. Stephenson3School of Plant, Environmental, and Soil Sciences, Louisiana State University Agricultural Center, Baton Rouge, LA, United StatesSchool of Plant, Environmental, and Soil Sciences, Louisiana State University Agricultural Center, Baton Rouge, LA, United StatesSchool of Plant, Environmental, and Soil Sciences, Louisiana State University Agricultural Center, Baton Rouge, LA, United StatesDean Lee Research and Extension Center, Louisiana State University Agricultural Center, Alexandria, LA, United StatesThe soil seedbank allows for long-term persistence of weed species in agricultural fields. Some weed species can persist in the soil seedbank for extended periods. Restricting inputs into the weed seedbank has a large impact on future population density and influences management practices of these weeds in soybean production systems. Harvest weed seed control (HWSC) tactics incorporate mechanical and cultural management strategies to target weed seeds present at harvest. A 3-year trial was initiated to determine if continual use of the HWSC method, narrow windrow burning, selects for earlier seed set and shattering in Louisiana soybean. No shifts in weed populations or shattering time were observed. However, there was a significant reduction in weed density and the weed seed present in the soil seedbank when HWSC and robust herbicide programs were used in combination. Therefore, utilizing multiple effective weed management strategies is imperative in reducing the soil seedbank.https://www.frontiersin.org/articles/10.3389/fagro.2021.730280/fullintegrated weed managementweed ecologyseed shatteringphenologyharvest weed seed control (HWSC)
spellingShingle Katie M. Patterson
Lauren M. Schwartz-Lazaro
Gabrielle LaBiche
Daniel O. Stephenson
Effects of Narrow-Windrow Burning on Weed Dynamics in Soybean in Louisiana
Frontiers in Agronomy
integrated weed management
weed ecology
seed shattering
phenology
harvest weed seed control (HWSC)
title Effects of Narrow-Windrow Burning on Weed Dynamics in Soybean in Louisiana
title_full Effects of Narrow-Windrow Burning on Weed Dynamics in Soybean in Louisiana
title_fullStr Effects of Narrow-Windrow Burning on Weed Dynamics in Soybean in Louisiana
title_full_unstemmed Effects of Narrow-Windrow Burning on Weed Dynamics in Soybean in Louisiana
title_short Effects of Narrow-Windrow Burning on Weed Dynamics in Soybean in Louisiana
title_sort effects of narrow windrow burning on weed dynamics in soybean in louisiana
topic integrated weed management
weed ecology
seed shattering
phenology
harvest weed seed control (HWSC)
url https://www.frontiersin.org/articles/10.3389/fagro.2021.730280/full
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