The Joint Action of Some Broadleaf Herbicides on Potato (<i>Solanum tuberosum</i> L.) Weeds and Photosynthetic Performance of Potato

Herbicide mixtures are a modern weed management practice as they reduce herbicide application. This study aimes to evaluate the effect of metribuzin, halosulfuron and flumioxazin applied individually and as mixtures (metribuzin:halosulfuron and metribuzin:flumioxazin) on <i>Chenopodium album&l...

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Autores principales:	Elham Samadi Kalkhoran, Mohammad Taghi Alebrahim, Hamid Reza Mohammaddust Chamn Abad, Jens Carl Streibig, Akbar Ghavidel, Te-Ming Paul Tseng
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	antagonism binary mixture isobole model maximum fluorescence Agriculture (General) S1-972
Acceso en línea:	https://doaj.org/article/b8be0a4f48984e3b83e86cd713d2ea9d
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spelling	oai:doaj.org-article:b8be0a4f48984e3b83e86cd713d2ea9d2021-11-25T15:59:09ZThe Joint Action of Some Broadleaf Herbicides on Potato (<i>Solanum tuberosum</i> L.) Weeds and Photosynthetic Performance of Potato10.3390/agriculture111111032077-0472https://doaj.org/article/b8be0a4f48984e3b83e86cd713d2ea9d2021-11-01T00:00:00Zhttps://www.mdpi.com/2077-0472/11/11/1103https://doaj.org/toc/2077-0472Herbicide mixtures are a modern weed management practice as they reduce herbicide application. This study aimes to evaluate the effect of metribuzin, halosulfuron and flumioxazin applied individually and as mixtures (metribuzin:halosulfuron and metribuzin:flumioxazin) on <i>Chenopodium album</i>, <i>Amaranthus retroflexus,</i> and potatoes on biomass and chlorophyll-<i>a</i> fluorescence in 21 experiments. The individual herbicide experimental design was a randomized completely block design with seven doses and three replications. The factorial experiments were performed on the basis of randomized completely block design in three replications for binary mixture experiments. Flumioxazin was very potent in controlling <i>C. album</i>, <i>A. retroflexus</i>, and injured potatoes with a 50% effective dose (ED<sub>50</sub>) of 1.21, 0.54, and 12.23 g ai·ha<sup>−1</sup>, respectively. Both mixtures of metribuzin:halosulfuron and metribuzin:flumioxazin generally showed an antagonistic effect on both weeds and potato in 12 independent experiments. Metribuzin, halosulfuron, and flumioxazin significantly decreased photosystem II activity by decreasing the maximum quantum efficiency (F<sub>v</sub>/F<sub>m</sub>). The metribuzin:halosulfuron mixtures almost followed the Additive Dose Model for F<sub>v</sub>/F<sub>m</sub>, whilst there was an antagonistic effect for the metribuzin:flumioxazin that was closely related to biomass. The results indicated that mixtures were generally antagonistic, and the endpoint choice is pivotal when assessing the joint action of mixtures.Elham Samadi KalkhoranMohammad Taghi AlebrahimHamid Reza Mohammaddust Chamn AbadJens Carl StreibigAkbar GhavidelTe-Ming Paul TsengMDPI AGarticleantagonismbinary mixtureisobole modelmaximum fluorescenceAgriculture (General)S1-972ENAgriculture, Vol 11, Iss 1103, p 1103 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	antagonism binary mixture isobole model maximum fluorescence Agriculture (General) S1-972
spellingShingle	antagonism binary mixture isobole model maximum fluorescence Agriculture (General) S1-972 Elham Samadi Kalkhoran Mohammad Taghi Alebrahim Hamid Reza Mohammaddust Chamn Abad Jens Carl Streibig Akbar Ghavidel Te-Ming Paul Tseng The Joint Action of Some Broadleaf Herbicides on Potato (<i>Solanum tuberosum</i> L.) Weeds and Photosynthetic Performance of Potato
description	Herbicide mixtures are a modern weed management practice as they reduce herbicide application. This study aimes to evaluate the effect of metribuzin, halosulfuron and flumioxazin applied individually and as mixtures (metribuzin:halosulfuron and metribuzin:flumioxazin) on <i>Chenopodium album</i>, <i>Amaranthus retroflexus,</i> and potatoes on biomass and chlorophyll-<i>a</i> fluorescence in 21 experiments. The individual herbicide experimental design was a randomized completely block design with seven doses and three replications. The factorial experiments were performed on the basis of randomized completely block design in three replications for binary mixture experiments. Flumioxazin was very potent in controlling <i>C. album</i>, <i>A. retroflexus</i>, and injured potatoes with a 50% effective dose (ED<sub>50</sub>) of 1.21, 0.54, and 12.23 g ai·ha<sup>−1</sup>, respectively. Both mixtures of metribuzin:halosulfuron and metribuzin:flumioxazin generally showed an antagonistic effect on both weeds and potato in 12 independent experiments. Metribuzin, halosulfuron, and flumioxazin significantly decreased photosystem II activity by decreasing the maximum quantum efficiency (F<sub>v</sub>/F<sub>m</sub>). The metribuzin:halosulfuron mixtures almost followed the Additive Dose Model for F<sub>v</sub>/F<sub>m</sub>, whilst there was an antagonistic effect for the metribuzin:flumioxazin that was closely related to biomass. The results indicated that mixtures were generally antagonistic, and the endpoint choice is pivotal when assessing the joint action of mixtures.
format	article
author	Elham Samadi Kalkhoran Mohammad Taghi Alebrahim Hamid Reza Mohammaddust Chamn Abad Jens Carl Streibig Akbar Ghavidel Te-Ming Paul Tseng
author_facet	Elham Samadi Kalkhoran Mohammad Taghi Alebrahim Hamid Reza Mohammaddust Chamn Abad Jens Carl Streibig Akbar Ghavidel Te-Ming Paul Tseng
author_sort	Elham Samadi Kalkhoran
title	The Joint Action of Some Broadleaf Herbicides on Potato (<i>Solanum tuberosum</i> L.) Weeds and Photosynthetic Performance of Potato
title_short	The Joint Action of Some Broadleaf Herbicides on Potato (<i>Solanum tuberosum</i> L.) Weeds and Photosynthetic Performance of Potato
title_full	The Joint Action of Some Broadleaf Herbicides on Potato (<i>Solanum tuberosum</i> L.) Weeds and Photosynthetic Performance of Potato
title_fullStr	The Joint Action of Some Broadleaf Herbicides on Potato (<i>Solanum tuberosum</i> L.) Weeds and Photosynthetic Performance of Potato
title_full_unstemmed	The Joint Action of Some Broadleaf Herbicides on Potato (<i>Solanum tuberosum</i> L.) Weeds and Photosynthetic Performance of Potato
title_sort	joint action of some broadleaf herbicides on potato (<i>solanum tuberosum</i> l.) weeds and photosynthetic performance of potato
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/b8be0a4f48984e3b83e86cd713d2ea9d
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The Joint Action of Some Broadleaf Herbicides on Potato (<i>Solanum tuberosum</i> L.) Weeds and Photosynthetic Performance of Potato

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