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@article{2397177,
author = {Lang, Jaroslav and Barták, Miloš and Váczi, Peter and Hájek, Josef},
article_location = {Basel},
article_number = {1},
doi = {http://dx.doi.org/10.3390/agronomy14010010},
keywords = {photosystem II; chlorophyll fluorescence; OJIP; clopyralid; metamitron; propaquizafop},
language = {eng},
issn = {2073-4395},
journal = {Agronomy},
title = {Effect of Some Herbicides on Primary Photosynthesis in Malva moschata as a Prospective Plant for Agricultural Grass Mixtures},
url = {https://www.mdpi.com/2073-4395/14/1/10},
volume = {14},
year = {2024}
}
TY - JOUR
ID - 2397177
AU - Lang, Jaroslav - Barták, Miloš - Váczi, Peter - Hájek, Josef
PY - 2024
TI - Effect of Some Herbicides on Primary Photosynthesis in Malva moschata as a Prospective Plant for Agricultural Grass Mixtures
JF - Agronomy
VL - 14
IS - 1
SP - 1-14
EP - 1-14
PB - MDPI
SN - 20734395
KW - photosystem II
KW - chlorophyll fluorescence
KW - OJIP
KW - clopyralid
KW - metamitron
KW - propaquizafop
UR - https://www.mdpi.com/2073-4395/14/1/10
N2 - Musk mallow (Malva moschata) is a perennial European plant that grows in pastures and grass mixtures. M. moschata is a medicinal plant with a high content of polysaccharides, flavonoids, and other biologically active compounds. The sensitivity of the species to herbicides is, however, generally unknown. In our study, we investigated the effects of three herbicides with different active compounds: (1) Propaquizafop (PPQ), (2) Clopyralid (CPR), (3) Metamitron+Quinmerac (MMQ) on primary photosynthetic processes of M. moschata plants cultivated in two different temperatures (12 and 18 ◦C). Non-photochemical quenching (NPQ) of absorbed light energy by chlorophyll molecules and the parameters derived from fast chlorophyll fluorescence transient (OJIP) were evaluated before and then 1, 2, 5, 24, and 48 h after the herbicides application. Among the herbicides, only MMQ negatively affected the functioning of photosystem II (PSII). The effect, however, was reversible, and the plants reached pre-application values after 48 h. No herbicide-induced changes in NPQ were found over the time after the application. The majority of the OJIP-derived chlorophyll fluorescence parameters were found to be temperature-sensitive. The herbicides tested in our study may be ranked among those with only limited effects on primary photosynthetic processes in PSII. While the application of PPQ and CPR did not bring any negative effects on the functioning of PSII, MMQ application induced a decrease in the potential quantum yield of PSII (FV/FM) and activation of protective mechanisms, increased heat dissipation in particular. These changes, however, were fully alleviated 48 h after MMQ application.
ER -
LANG, Jaroslav, Miloš BARTÁK, Peter VÁCZI and Josef HÁJEK. Effect of Some Herbicides on Primary Photosynthesis in Malva moschata as a Prospective Plant for Agricultural Grass Mixtures. \textit{Agronomy}. Basel: MDPI, 2024, vol.~14, No~1, p.~1-14. ISSN~2073-4395. Available from: https://dx.doi.org/10.3390/agronomy14010010.
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