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霜冻条件下冬油菜光合性能与产量损失的关系

Relationship between photosynthetic performance and yield loss in winter oilseed rape ( L.) under frost conditions.

作者信息

Dąbrowski P, Jełowicki Ł, Jaszczuk Z M, Maihoub S, Wróbel J, Kalaji H M

机构信息

Department of Environmental Management, Institute of Environmental Engineering, Warsaw University of Life Sciences - SGGW, Nowoursynowska St. 159, 02-787 Warsaw, Poland.

OPEGIEKA Sp. z o.o., Aleja Tysiąclecia 11, 82-300 Elbląg, Poland.

出版信息

Photosynthetica. 2024 Jul 31;62(3):240-251. doi: 10.32615/ps.2024.025. eCollection 2024.

DOI:10.32615/ps.2024.025
PMID:39649356
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11622556/
Abstract

Winter oilseed rape ( L.), the principal oilseed crop in Europe, is notably vulnerable to spring frosts that can drastically reduce yields in ways that are challenging to predict with standard techniques. Our research focused on evaluating the efficacy of photosynthetic efficiency analysis in this crop and identifying specific chlorophyll fluorescence parameters severely impacted by frost, which could serve as noninvasive biomarkers for yield decline. The experiments were carried out in semi-controlled conditions with several treatments: a control, one day at -3°C, three days at -3°C, one day at -6°C, and three days at -6°C. We employed continuous-excitation and pulse-amplitude-modulation chlorophyll fluorescence measurements to assess plant sensitivity to frost. Also, plant gas exchange and chlorophyll content index measurements were performed. Certain parameters strongly correlated with final yield losses, thereby establishing a basis for developing new agricultural protocols to predict and mitigate frost damage in rapeseed crops accurately.

摘要

冬油菜(L.)是欧洲主要的油料作物,极易受到春季霜冻的影响,这种霜冻会以标准技术难以预测的方式大幅降低产量。我们的研究重点是评估光合效率分析在这种作物中的有效性,并确定受霜冻严重影响的特定叶绿素荧光参数,这些参数可作为产量下降的非侵入性生物标志物。实验在半控制条件下进行,设置了几种处理:对照、-3°C处理一天、-3°C处理三天、-6°C处理一天以及-6°C处理三天。我们采用连续激发和脉冲幅度调制叶绿素荧光测量来评估植物对霜冻的敏感性。此外,还进行了植物气体交换和叶绿素含量指数测量。某些参数与最终产量损失密切相关,从而为制定新的农业方案以准确预测和减轻油菜作物的霜冻损害奠定了基础。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e522/11622556/afccb07358e3/PS-62-3-62240-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e522/11622556/e01227da59d1/PS-62-3-62240-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e522/11622556/8e6c9fa91fa9/PS-62-3-62240-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e522/11622556/444dc0f00f6b/PS-62-3-62240-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e522/11622556/d7996b4e636e/PS-62-3-62240-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e522/11622556/f52bc48a4701/PS-62-3-62240-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e522/11622556/89f9fca6fb5d/PS-62-3-62240-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e522/11622556/afccb07358e3/PS-62-3-62240-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e522/11622556/e01227da59d1/PS-62-3-62240-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e522/11622556/8e6c9fa91fa9/PS-62-3-62240-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e522/11622556/444dc0f00f6b/PS-62-3-62240-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e522/11622556/d7996b4e636e/PS-62-3-62240-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e522/11622556/f52bc48a4701/PS-62-3-62240-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e522/11622556/89f9fca6fb5d/PS-62-3-62240-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e522/11622556/afccb07358e3/PS-62-3-62240-g007.jpg

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