Physiological and Morphological Responses of Hydroponically Grown Pear Rootstock Under Phosphorus Treatment

Phosphorus (P) is an essential macronutrient for the growth and development of fruit trees, playing an important role in photosynthesis, nucleic acid synthesis, and enzyme activity regulation. The plasticity of plant phenotypic has been investigated in diverse species under conditions of P-deficienc...

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Autores principales:	Guodong Chen, Yang Li, Cong Jin, Jizhong Wang, Li Wang, Juyou Wu
Formato:	article
Lenguaje:	EN
Publicado:	Frontiers Media S.A. 2021
Materias:	pear seedling rootstock phosphorus root system architecture nutrients photosynthesis Plant culture SB1-1110
Acceso en línea:	https://doaj.org/article/cfba355c7f3949f3a8cb2358423c44cc
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spelling	oai:doaj.org-article:cfba355c7f3949f3a8cb2358423c44cc2021-11-11T05:07:37ZPhysiological and Morphological Responses of Hydroponically Grown Pear Rootstock Under Phosphorus Treatment1664-462X10.3389/fpls.2021.696045https://doaj.org/article/cfba355c7f3949f3a8cb2358423c44cc2021-11-01T00:00:00Zhttps://www.frontiersin.org/articles/10.3389/fpls.2021.696045/fullhttps://doaj.org/toc/1664-462XPhosphorus (P) is an essential macronutrient for the growth and development of fruit trees, playing an important role in photosynthesis, nucleic acid synthesis, and enzyme activity regulation. The plasticity of plant phenotypic has been investigated in diverse species under conditions of P-deficiency or P-excess. Based on these researches, P level fluctuations in different species result in different characteristics of the response. Nevertheless, little is known about the response of pear seedling rootstock (Pyrus betulifolia Bunge) to the changing of P levels. To explore the effects of different levels of P on the growth of pear seedling rootstock, we performed the hydroponic assays to determine and analyze the biological indexes including growth parameters, photosynthetic rate, root and shoot morphological traits, and concentrations of macro- and micronutrients. The results show that either deficiency or excess of P inhibited the growth and development of pear seedling rootstock. Root growth (down 44.8%), photosynthetic rate (down 59.8%), and acid phosphatase (ACP) activity (down 44.4%) were inhibited under the P-deficiency conditions (0mM), compared with normal P conditions (1mM). On the other hand, dark green leaves, suppression of root elongation (down 18.8%), and photosynthetic rate (down 25%) were observed under regimes of excessive P, compared with normal P conditions (1mM). Furthermore, the root concentration of not only P, but also those of other mineral nutrients were affected by either P treatment. In brief, these results indicated that a careful choice of P fertilizer supply is crucial to ensuring normal growth and development of pear seedling rootstock.Guodong ChenYang LiCong JinJizhong WangLi WangJuyou WuFrontiers Media S.A.articlepear seedling rootstockphosphorusroot system architecturenutrientsphotosynthesisPlant cultureSB1-1110ENFrontiers in Plant Science, Vol 12 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	pear seedling rootstock phosphorus root system architecture nutrients photosynthesis Plant culture SB1-1110
spellingShingle	pear seedling rootstock phosphorus root system architecture nutrients photosynthesis Plant culture SB1-1110 Guodong Chen Yang Li Cong Jin Jizhong Wang Li Wang Juyou Wu Physiological and Morphological Responses of Hydroponically Grown Pear Rootstock Under Phosphorus Treatment
description	Phosphorus (P) is an essential macronutrient for the growth and development of fruit trees, playing an important role in photosynthesis, nucleic acid synthesis, and enzyme activity regulation. The plasticity of plant phenotypic has been investigated in diverse species under conditions of P-deficiency or P-excess. Based on these researches, P level fluctuations in different species result in different characteristics of the response. Nevertheless, little is known about the response of pear seedling rootstock (Pyrus betulifolia Bunge) to the changing of P levels. To explore the effects of different levels of P on the growth of pear seedling rootstock, we performed the hydroponic assays to determine and analyze the biological indexes including growth parameters, photosynthetic rate, root and shoot morphological traits, and concentrations of macro- and micronutrients. The results show that either deficiency or excess of P inhibited the growth and development of pear seedling rootstock. Root growth (down 44.8%), photosynthetic rate (down 59.8%), and acid phosphatase (ACP) activity (down 44.4%) were inhibited under the P-deficiency conditions (0mM), compared with normal P conditions (1mM). On the other hand, dark green leaves, suppression of root elongation (down 18.8%), and photosynthetic rate (down 25%) were observed under regimes of excessive P, compared with normal P conditions (1mM). Furthermore, the root concentration of not only P, but also those of other mineral nutrients were affected by either P treatment. In brief, these results indicated that a careful choice of P fertilizer supply is crucial to ensuring normal growth and development of pear seedling rootstock.
format	article
author	Guodong Chen Yang Li Cong Jin Jizhong Wang Li Wang Juyou Wu
author_facet	Guodong Chen Yang Li Cong Jin Jizhong Wang Li Wang Juyou Wu
author_sort	Guodong Chen
title	Physiological and Morphological Responses of Hydroponically Grown Pear Rootstock Under Phosphorus Treatment
title_short	Physiological and Morphological Responses of Hydroponically Grown Pear Rootstock Under Phosphorus Treatment
title_full	Physiological and Morphological Responses of Hydroponically Grown Pear Rootstock Under Phosphorus Treatment
title_fullStr	Physiological and Morphological Responses of Hydroponically Grown Pear Rootstock Under Phosphorus Treatment
title_full_unstemmed	Physiological and Morphological Responses of Hydroponically Grown Pear Rootstock Under Phosphorus Treatment
title_sort	physiological and morphological responses of hydroponically grown pear rootstock under phosphorus treatment
publisher	Frontiers Media S.A.
publishDate	2021
url	https://doaj.org/article/cfba355c7f3949f3a8cb2358423c44cc
work_keys_str_mv	AT guodongchen physiologicalandmorphologicalresponsesofhydroponicallygrownpearrootstockunderphosphorustreatment AT yangli physiologicalandmorphologicalresponsesofhydroponicallygrownpearrootstockunderphosphorustreatment AT congjin physiologicalandmorphologicalresponsesofhydroponicallygrownpearrootstockunderphosphorustreatment AT jizhongwang physiologicalandmorphologicalresponsesofhydroponicallygrownpearrootstockunderphosphorustreatment AT liwang physiologicalandmorphologicalresponsesofhydroponicallygrownpearrootstockunderphosphorustreatment AT juyouwu physiologicalandmorphologicalresponsesofhydroponicallygrownpearrootstockunderphosphorustreatment
_version_	1718439630915764224

Physiological and Morphological Responses of Hydroponically Grown Pear Rootstock Under Phosphorus Treatment

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