In accordance with the Article 53 of the Regulation (EC) 1107/2009, Greece granted a 120-day emergency authorisation for the use of mepiquat in cotton following an application by the Hellenic Ministry of Rural Development and Food. To accommodate for the use of mepiquat according to the authorised good agricultural practices, Greece submitted an application to set a temporary maximum residue level (tMRL) for the active substance mepiquat in cotton seed in line with Article 16(1) in conjunction with Article 14 of Regulation (EC) No 396/2005. Greece, as evaluating Member State (EMS), drafted an evaluation report in accordance with Article 8 of Regulation (EC) No 396/2005, which was submitted to the European Commission and forwarded to EFSA. EFSA has assessed the available data and performed a risk assessment as regards the risks to consumers related to the exposure of mepiquat chloride in cotton seed. Several risk management options were derived in response to the request to amend the existing MRL for cotton seed. EFSA did not confirm the need to modify the existing MRLs for animal products as suggested by Greece.
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http://dx.doi.org/10.2903/j.efsa.2018.5162 | DOI Listing |
Sci Total Environ
August 2023
Zhengzhou Research Base, State Key Laboratory of Cotton Biology, School of Agricultural Sciences, Zhengzhou University, Zhengzhou 450001, Henan, China; State Key Laboratory of Cotton Biology, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, Henan, China; Western Agricultural Research Center, Chinese Academy of Agricultural Sciences, Changji 831100, China. Electronic address:
The effects of non-insecticidal agrochemicals on pest natural predators remain largely unexplored except bees and silkworm. The herbicide quizalofop-p-ethyl (QpE), fungicide thiophanate-methyl (TM), and plant growth regulator mepiquat chloride (MC) have been extensively applied as non-insecticidal agrochemicals. Here, we systematically evaluated multiple effects of these 3 non-insecticidal agrochemicals on three generations of Propylea japonica, an important agroforestry predatory beetle, including the effects on its development, reproduction, enterobacteria, and transcriptomic response.
View Article and Find Full Text PDFPlant Physiol Biochem
January 2023
Key Laboratory of Crop Physiology, Ecology and Genetic Breeding, College of Agronomy, Ministry of Education, Jiangxi Agricultural University, Nanchang, 330045, China. Electronic address:
Carbon reserves in cotton roots can be remobilized to support reproductive growth, thus potentially affecting cotton yield. However, the regulation of carbon remobilization in cotton roots and its relationship with cotton yield are still poorly understood. Plant population density (PPD) and mepiquat chloride (MC) have been hypothesized to affect the dynamics of nonstructural carbohydrate content and the resulting carbon remobilization in cotton roots through the regulation of carbohydrate metabolism enzyme activities.
View Article and Find Full Text PDFJ Chromatogr A
October 2022
College of Agronomy, China Agricultural University, Beijing 100193, People's Republic of China. Electronic address:
Cytokinins (CTKs) exist in various types in plants. The accurate quantification of free base and nucleoside types of cytokinins are helpful for better understanding their physiological role. In the present study, antibodies against trans-zeatin riboside (tZR) and N-isopentenyladenine riboside (iPR) antibodies with equal recognition to free base and nucleoside cytokinins were developed.
View Article and Find Full Text PDFPLoS One
June 2022
Department of Plant Pathology, College of Agriculture, Guizhou University, Guiyang, Guizhou, China.
Cotton (Gossypium hirsutum L.) is one of the most important cash crops primarily grown for fiber. It is a perennial crop with indeterminate growth pattern.
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