Carbohydrate Assimilation and Translocation Regulate Grain Yield Formation in Wheat Crops (<i>Triticum aestivum</i> L.) under Post-Flowering Waterlogging

In a two-year field study, we quantified the impact of post-flowering soil waterlogging on carbon assimilation and grain yield formation in wheat crops. At anthesis, wheat cultivars YangMai 18 (YM18) and YanNong 19 (YN19) were waterlogged for different durations, i.e., 0 (W0), 3 (W3), 6 (W6) and 9 (...

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Autores principales:	Shangyu Ma, Panpan Gai, Yanyan Wang, Najeeb Ullah, Wenjing Zhang, Yonghui Fan, Yajing Shan, Zhenglai Huang, Xia Hu
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	wheat waterlogging carbon assimilation photosynthetic characteristics grain filling rate yield Agriculture S
Acceso en línea:	https://doaj.org/article/f0ae1b90bd004c36beed299606f1dba9
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spelling	oai:doaj.org-article:f0ae1b90bd004c36beed299606f1dba92021-11-25T16:06:48ZCarbohydrate Assimilation and Translocation Regulate Grain Yield Formation in Wheat Crops (<i>Triticum aestivum</i> L.) under Post-Flowering Waterlogging10.3390/agronomy111122092073-4395https://doaj.org/article/f0ae1b90bd004c36beed299606f1dba92021-10-01T00:00:00Zhttps://www.mdpi.com/2073-4395/11/11/2209https://doaj.org/toc/2073-4395In a two-year field study, we quantified the impact of post-flowering soil waterlogging on carbon assimilation and grain yield formation in wheat crops. At anthesis, wheat cultivars YangMai 18 (YM18) and YanNong 19 (YN19) were waterlogged for different durations, i.e., 0 (W0), 3 (W3), 6 (W6) and 9 (W9) days using artificial structures. Changes in leaf physiology, carbon assimilation and biomass production were quantified at 0, 7, 14, and 21 days after anthesis under all treatments. Short-term (W3) waterlogging had no significant effect on wheat crops but W6 and W9 significantly reduced the net photosynthetic rate (Pn), leaf SPAD value, and grain weight of the tested cultivars. Increasing waterlogging duration significantly increased dry matter accumulation in the spike-axis + glumes but reduced dry matter accumulation in grain. Further, the tested cultivars responded significantly variably to W6 and W9. Averaged across two years, YM 18 performed relatively superior to YN19 in response to long-term waterlogging. For example, at 14 days after anthesis, W9 plants of YM18 and YN19 experienced a 17.4% and 23.2% reduction in SPAD and 25.3% and 30.8% reduction in Pn, respectively, compared with their W0 plants. Consequently, YM18 suffered a relatively smaller grain yield loss (i.e., 16.0%) than YN19 (23.4%) under W9. Our study suggests that wheat cultivar YM18 could protect grain development from waterlogging injury by sustaining assimilates supplies to grain under waterlogged environments.Shangyu MaPanpan GaiYanyan WangNajeeb UllahWenjing ZhangYonghui FanYajing ShanZhenglai HuangXia HuMDPI AGarticlewheatwaterloggingcarbon assimilationphotosynthetic characteristicsgrain filling rateyieldAgricultureSENAgronomy, Vol 11, Iss 2209, p 2209 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	wheat waterlogging carbon assimilation photosynthetic characteristics grain filling rate yield Agriculture S
spellingShingle	wheat waterlogging carbon assimilation photosynthetic characteristics grain filling rate yield Agriculture S Shangyu Ma Panpan Gai Yanyan Wang Najeeb Ullah Wenjing Zhang Yonghui Fan Yajing Shan Zhenglai Huang Xia Hu Carbohydrate Assimilation and Translocation Regulate Grain Yield Formation in Wheat Crops (<i>Triticum aestivum</i> L.) under Post-Flowering Waterlogging
description	In a two-year field study, we quantified the impact of post-flowering soil waterlogging on carbon assimilation and grain yield formation in wheat crops. At anthesis, wheat cultivars YangMai 18 (YM18) and YanNong 19 (YN19) were waterlogged for different durations, i.e., 0 (W0), 3 (W3), 6 (W6) and 9 (W9) days using artificial structures. Changes in leaf physiology, carbon assimilation and biomass production were quantified at 0, 7, 14, and 21 days after anthesis under all treatments. Short-term (W3) waterlogging had no significant effect on wheat crops but W6 and W9 significantly reduced the net photosynthetic rate (Pn), leaf SPAD value, and grain weight of the tested cultivars. Increasing waterlogging duration significantly increased dry matter accumulation in the spike-axis + glumes but reduced dry matter accumulation in grain. Further, the tested cultivars responded significantly variably to W6 and W9. Averaged across two years, YM 18 performed relatively superior to YN19 in response to long-term waterlogging. For example, at 14 days after anthesis, W9 plants of YM18 and YN19 experienced a 17.4% and 23.2% reduction in SPAD and 25.3% and 30.8% reduction in Pn, respectively, compared with their W0 plants. Consequently, YM18 suffered a relatively smaller grain yield loss (i.e., 16.0%) than YN19 (23.4%) under W9. Our study suggests that wheat cultivar YM18 could protect grain development from waterlogging injury by sustaining assimilates supplies to grain under waterlogged environments.
format	article
author	Shangyu Ma Panpan Gai Yanyan Wang Najeeb Ullah Wenjing Zhang Yonghui Fan Yajing Shan Zhenglai Huang Xia Hu
author_facet	Shangyu Ma Panpan Gai Yanyan Wang Najeeb Ullah Wenjing Zhang Yonghui Fan Yajing Shan Zhenglai Huang Xia Hu
author_sort	Shangyu Ma
title	Carbohydrate Assimilation and Translocation Regulate Grain Yield Formation in Wheat Crops (<i>Triticum aestivum</i> L.) under Post-Flowering Waterlogging
title_short	Carbohydrate Assimilation and Translocation Regulate Grain Yield Formation in Wheat Crops (<i>Triticum aestivum</i> L.) under Post-Flowering Waterlogging
title_full	Carbohydrate Assimilation and Translocation Regulate Grain Yield Formation in Wheat Crops (<i>Triticum aestivum</i> L.) under Post-Flowering Waterlogging
title_fullStr	Carbohydrate Assimilation and Translocation Regulate Grain Yield Formation in Wheat Crops (<i>Triticum aestivum</i> L.) under Post-Flowering Waterlogging
title_full_unstemmed	Carbohydrate Assimilation and Translocation Regulate Grain Yield Formation in Wheat Crops (<i>Triticum aestivum</i> L.) under Post-Flowering Waterlogging
title_sort	carbohydrate assimilation and translocation regulate grain yield formation in wheat crops (<i>triticum aestivum</i> l.) under post-flowering waterlogging
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/f0ae1b90bd004c36beed299606f1dba9
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Carbohydrate Assimilation and Translocation Regulate Grain Yield Formation in Wheat Crops (<i>Triticum aestivum</i> L.) under Post-Flowering Waterlogging

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