Acquisition of the physiological quality of peanut (Arachis hypogaea L.) seeds during maturation under the influence of the maternal environment.

The scarcity of information on the maturation physiology of the peanut seed (Arachis hypogaea L.; Virgínia group) makes harvesting high quality seeds a challenge for the seed industry. During two consecutive crop seasons, we studied the acquisition of physiological quality of peanut seeds during mat...

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Main Authors: Maurício Hideki Okada, Gustavo Roberto Fonseca de Oliveira, Maria Márcia Pereira Sartori, Carlos Alexandre Costa Crusciol, João Nakagawa, Edvaldo Aparecido Amaral da Silva
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2021-01-01
Series:PLoS ONE
Online Access:https://doi.org/10.1371/journal.pone.0250293
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author Maurício Hideki Okada
Gustavo Roberto Fonseca de Oliveira
Maria Márcia Pereira Sartori
Carlos Alexandre Costa Crusciol
João Nakagawa
Edvaldo Aparecido Amaral da Silva
author_facet Maurício Hideki Okada
Gustavo Roberto Fonseca de Oliveira
Maria Márcia Pereira Sartori
Carlos Alexandre Costa Crusciol
João Nakagawa
Edvaldo Aparecido Amaral da Silva
author_sort Maurício Hideki Okada
collection DOAJ
description The scarcity of information on the maturation physiology of the peanut seed (Arachis hypogaea L.; Virgínia group) makes harvesting high quality seeds a challenge for the seed industry. During two consecutive crop seasons, we studied the acquisition of physiological quality of peanut seeds during maturation in tropical conditions. We bring new insights about the period of late maturation of seeds and the influence of the maternal environment on physiological quality. We monitored water content, dry weight, ability of germination, desiccation tolerance, vigor and longevity. In addition, we monitored temperature and precipitation throughout plant growth. We demonstrate that the physiological quality of peanut seeds is acquired during development, with a maximum between 57 and 76 days after flowering in the late stage of maturation. This final period represents about 25% of the development, considered the best time to harvest peanut seeds with the highest quality. Our findings also support the idea that the adequate proportion of rainfall and thermal sum in the maternal environment are factors that favor the acquisition of peanut seed longevity.
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spelling doaj.art-0bfb0131218e448c989cafc5c448f4f92022-12-21T19:23:31ZengPublic Library of Science (PLoS)PLoS ONE1932-62032021-01-01165e025029310.1371/journal.pone.0250293Acquisition of the physiological quality of peanut (Arachis hypogaea L.) seeds during maturation under the influence of the maternal environment.Maurício Hideki OkadaGustavo Roberto Fonseca de OliveiraMaria Márcia Pereira SartoriCarlos Alexandre Costa CrusciolJoão NakagawaEdvaldo Aparecido Amaral da SilvaThe scarcity of information on the maturation physiology of the peanut seed (Arachis hypogaea L.; Virgínia group) makes harvesting high quality seeds a challenge for the seed industry. During two consecutive crop seasons, we studied the acquisition of physiological quality of peanut seeds during maturation in tropical conditions. We bring new insights about the period of late maturation of seeds and the influence of the maternal environment on physiological quality. We monitored water content, dry weight, ability of germination, desiccation tolerance, vigor and longevity. In addition, we monitored temperature and precipitation throughout plant growth. We demonstrate that the physiological quality of peanut seeds is acquired during development, with a maximum between 57 and 76 days after flowering in the late stage of maturation. This final period represents about 25% of the development, considered the best time to harvest peanut seeds with the highest quality. Our findings also support the idea that the adequate proportion of rainfall and thermal sum in the maternal environment are factors that favor the acquisition of peanut seed longevity.https://doi.org/10.1371/journal.pone.0250293
spellingShingle Maurício Hideki Okada
Gustavo Roberto Fonseca de Oliveira
Maria Márcia Pereira Sartori
Carlos Alexandre Costa Crusciol
João Nakagawa
Edvaldo Aparecido Amaral da Silva
Acquisition of the physiological quality of peanut (Arachis hypogaea L.) seeds during maturation under the influence of the maternal environment.
PLoS ONE
title Acquisition of the physiological quality of peanut (Arachis hypogaea L.) seeds during maturation under the influence of the maternal environment.
title_full Acquisition of the physiological quality of peanut (Arachis hypogaea L.) seeds during maturation under the influence of the maternal environment.
title_fullStr Acquisition of the physiological quality of peanut (Arachis hypogaea L.) seeds during maturation under the influence of the maternal environment.
title_full_unstemmed Acquisition of the physiological quality of peanut (Arachis hypogaea L.) seeds during maturation under the influence of the maternal environment.
title_short Acquisition of the physiological quality of peanut (Arachis hypogaea L.) seeds during maturation under the influence of the maternal environment.
title_sort acquisition of the physiological quality of peanut arachis hypogaea l seeds during maturation under the influence of the maternal environment
url https://doi.org/10.1371/journal.pone.0250293
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