Gene Effect of Morphophysiological Traits in Popcorn (<i>Zea mays</i> L. var. <i>everta</i>) Grown Under Contrasting Water Regimes

To propose breeding strategies for drought conditions, we investigated gene expression associated with morphophysiological traits in four S7 popcorn (<i>Zea mays</i> var. <i>everta</i>) inbred lines using a partial diallel cross design with two testers. We evaluated morpholog...

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Main Authors: Danielle Leal Lamêgo, Antônio Teixeira do Amaral Junior, Samuel Henrique Kamphorst, Valter Jário de Lima, Samuel Pereira da Silva, Jardel da Silva Figueiredo, Ueliton Alves de Oliveira, Flávia Nicácio Viana, Talles de Oliveira Santos, Gabriella Rodrigues Gonçalves, Guilherme Augusto Rodrigues de Souza, Eliemar Campostrini, Alexandre Pio Viana, Marta Simone Mendonça Freitas, Helaine Christine Cancela Ramos, Gonçalo Apolinário de Souza Filho, Carlos Eduardo de Rezende
Format: Article
Language:English
Published: MDPI AG 2024-11-01
Series:Agriculture
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Online Access:https://www.mdpi.com/2077-0472/14/12/2157
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author Danielle Leal Lamêgo
Antônio Teixeira do Amaral Junior
Samuel Henrique Kamphorst
Valter Jário de Lima
Samuel Pereira da Silva
Jardel da Silva Figueiredo
Ueliton Alves de Oliveira
Flávia Nicácio Viana
Talles de Oliveira Santos
Gabriella Rodrigues Gonçalves
Guilherme Augusto Rodrigues de Souza
Eliemar Campostrini
Alexandre Pio Viana
Marta Simone Mendonça Freitas
Helaine Christine Cancela Ramos
Gonçalo Apolinário de Souza Filho
Carlos Eduardo de Rezende
author_facet Danielle Leal Lamêgo
Antônio Teixeira do Amaral Junior
Samuel Henrique Kamphorst
Valter Jário de Lima
Samuel Pereira da Silva
Jardel da Silva Figueiredo
Ueliton Alves de Oliveira
Flávia Nicácio Viana
Talles de Oliveira Santos
Gabriella Rodrigues Gonçalves
Guilherme Augusto Rodrigues de Souza
Eliemar Campostrini
Alexandre Pio Viana
Marta Simone Mendonça Freitas
Helaine Christine Cancela Ramos
Gonçalo Apolinário de Souza Filho
Carlos Eduardo de Rezende
author_sort Danielle Leal Lamêgo
collection DOAJ
description To propose breeding strategies for drought conditions, we investigated gene expression associated with morphophysiological traits in four S7 popcorn (<i>Zea mays</i> var. <i>everta</i>) inbred lines using a partial diallel cross design with two testers. We evaluated morphological traits (plant height; the dry mass of stems, leaves, and reproductive organs; and root weight density (RWD) across five soil sections), water status indicators (leaf water content, cumulative evapotranspiration, agronomic water use efficiency, and carbon isotope signatures), anatomical traits (stomatal number and index), and leaf pigments. Significant variations were observed between lines and hybrids for plant height, shoot biomass traits, water status indicators, and RWD across all soil sections, particularly under water deficit conditions. Overall, the inbred lines were more adversely affected by drought than the hybrids. Dominance gene effects played a significant role in increasing anthocyanin content, cumulative evapotranspiration, stable carbon isotope signatures, and RWD in most soil sections. The superior water utilization observed in hybrids compared to inbred lines suggests that exploiting heterosis is likely the most effective strategy for developing drought-resilient popcorn plants.
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spelling doaj-art-09f792aba8bd4b32b6b5867c17a804fd2025-08-20T02:00:55ZengMDPI AGAgriculture2077-04722024-11-011412215710.3390/agriculture14122157Gene Effect of Morphophysiological Traits in Popcorn (<i>Zea mays</i> L. var. <i>everta</i>) Grown Under Contrasting Water RegimesDanielle Leal Lamêgo0Antônio Teixeira do Amaral Junior1Samuel Henrique Kamphorst2Valter Jário de Lima3Samuel Pereira da Silva4Jardel da Silva Figueiredo5Ueliton Alves de Oliveira6Flávia Nicácio Viana7Talles de Oliveira Santos8Gabriella Rodrigues Gonçalves9Guilherme Augusto Rodrigues de Souza10Eliemar Campostrini11Alexandre Pio Viana12Marta Simone Mendonça Freitas13Helaine Christine Cancela Ramos14Gonçalo Apolinário de Souza Filho15Carlos Eduardo de Rezende16Laboratory of Genetics and Plant Breeding, Center for Agricultural Science and Technologies (CCTA), Universidade Estadual do Norte Fluminense Darcy Ribeiro—UENF, Campos dos Goytacazes 28013-602, RJ, BrazilLaboratory of Genetics and Plant Breeding, Center for Agricultural Science and Technologies (CCTA), Universidade Estadual do Norte Fluminense Darcy Ribeiro—UENF, Campos dos Goytacazes 28013-602, RJ, BrazilLaboratory of Genetics and Plant Breeding, Center for Agricultural Science and Technologies (CCTA), Universidade Estadual do Norte Fluminense Darcy Ribeiro—UENF, Campos dos Goytacazes 28013-602, RJ, BrazilLaboratory of Genetics and Plant Breeding, Center for Agricultural Science and Technologies (CCTA), Universidade Estadual do Norte Fluminense Darcy Ribeiro—UENF, Campos dos Goytacazes 28013-602, RJ, BrazilLaboratory of Genetics and Plant Breeding, Center for Agricultural Science and Technologies (CCTA), Universidade Estadual do Norte Fluminense Darcy Ribeiro—UENF, Campos dos Goytacazes 28013-602, RJ, BrazilLaboratory of Genetics and Plant Breeding, Center for Agricultural Science and Technologies (CCTA), Universidade Estadual do Norte Fluminense Darcy Ribeiro—UENF, Campos dos Goytacazes 28013-602, RJ, BrazilLaboratory of Genetics and Plant Breeding, Center for Agricultural Science and Technologies (CCTA), Universidade Estadual do Norte Fluminense Darcy Ribeiro—UENF, Campos dos Goytacazes 28013-602, RJ, BrazilLaboratory of Genetics and Plant Breeding, Center for Agricultural Science and Technologies (CCTA), Universidade Estadual do Norte Fluminense Darcy Ribeiro—UENF, Campos dos Goytacazes 28013-602, RJ, BrazilLaboratory of Genetics and Plant Breeding, Center for Agricultural Science and Technologies (CCTA), Universidade Estadual do Norte Fluminense Darcy Ribeiro—UENF, Campos dos Goytacazes 28013-602, RJ, BrazilLaboratory of Genetics and Plant Breeding, Center for Agricultural Science and Technologies (CCTA), Universidade Estadual do Norte Fluminense Darcy Ribeiro—UENF, Campos dos Goytacazes 28013-602, RJ, BrazilLaboratory of Genetics and Plant Breeding, Center for Agricultural Science and Technologies (CCTA), Universidade Estadual do Norte Fluminense Darcy Ribeiro—UENF, Campos dos Goytacazes 28013-602, RJ, BrazilLaboratory of Genetics and Plant Breeding, Center for Agricultural Science and Technologies (CCTA), Universidade Estadual do Norte Fluminense Darcy Ribeiro—UENF, Campos dos Goytacazes 28013-602, RJ, BrazilLaboratory of Genetics and Plant Breeding, Center for Agricultural Science and Technologies (CCTA), Universidade Estadual do Norte Fluminense Darcy Ribeiro—UENF, Campos dos Goytacazes 28013-602, RJ, BrazilLaboratory of Genetics and Plant Breeding, Center for Agricultural Science and Technologies (CCTA), Universidade Estadual do Norte Fluminense Darcy Ribeiro—UENF, Campos dos Goytacazes 28013-602, RJ, BrazilLaboratory of Genetics and Plant Breeding, Center for Agricultural Science and Technologies (CCTA), Universidade Estadual do Norte Fluminense Darcy Ribeiro—UENF, Campos dos Goytacazes 28013-602, RJ, BrazilLaboratory of Genetics and Plant Breeding, Center for Agricultural Science and Technologies (CCTA), Universidade Estadual do Norte Fluminense Darcy Ribeiro—UENF, Campos dos Goytacazes 28013-602, RJ, BrazilLaboratory of Genetics and Plant Breeding, Center for Agricultural Science and Technologies (CCTA), Universidade Estadual do Norte Fluminense Darcy Ribeiro—UENF, Campos dos Goytacazes 28013-602, RJ, BrazilTo propose breeding strategies for drought conditions, we investigated gene expression associated with morphophysiological traits in four S7 popcorn (<i>Zea mays</i> var. <i>everta</i>) inbred lines using a partial diallel cross design with two testers. We evaluated morphological traits (plant height; the dry mass of stems, leaves, and reproductive organs; and root weight density (RWD) across five soil sections), water status indicators (leaf water content, cumulative evapotranspiration, agronomic water use efficiency, and carbon isotope signatures), anatomical traits (stomatal number and index), and leaf pigments. Significant variations were observed between lines and hybrids for plant height, shoot biomass traits, water status indicators, and RWD across all soil sections, particularly under water deficit conditions. Overall, the inbred lines were more adversely affected by drought than the hybrids. Dominance gene effects played a significant role in increasing anthocyanin content, cumulative evapotranspiration, stable carbon isotope signatures, and RWD in most soil sections. The superior water utilization observed in hybrids compared to inbred lines suggests that exploiting heterosis is likely the most effective strategy for developing drought-resilient popcorn plants.https://www.mdpi.com/2077-0472/14/12/2157water stressdominance gene effectsheterosisroot weight density
spellingShingle Danielle Leal Lamêgo
Antônio Teixeira do Amaral Junior
Samuel Henrique Kamphorst
Valter Jário de Lima
Samuel Pereira da Silva
Jardel da Silva Figueiredo
Ueliton Alves de Oliveira
Flávia Nicácio Viana
Talles de Oliveira Santos
Gabriella Rodrigues Gonçalves
Guilherme Augusto Rodrigues de Souza
Eliemar Campostrini
Alexandre Pio Viana
Marta Simone Mendonça Freitas
Helaine Christine Cancela Ramos
Gonçalo Apolinário de Souza Filho
Carlos Eduardo de Rezende
Gene Effect of Morphophysiological Traits in Popcorn (<i>Zea mays</i> L. var. <i>everta</i>) Grown Under Contrasting Water Regimes
Agriculture
water stress
dominance gene effects
heterosis
root weight density
title Gene Effect of Morphophysiological Traits in Popcorn (<i>Zea mays</i> L. var. <i>everta</i>) Grown Under Contrasting Water Regimes
title_full Gene Effect of Morphophysiological Traits in Popcorn (<i>Zea mays</i> L. var. <i>everta</i>) Grown Under Contrasting Water Regimes
title_fullStr Gene Effect of Morphophysiological Traits in Popcorn (<i>Zea mays</i> L. var. <i>everta</i>) Grown Under Contrasting Water Regimes
title_full_unstemmed Gene Effect of Morphophysiological Traits in Popcorn (<i>Zea mays</i> L. var. <i>everta</i>) Grown Under Contrasting Water Regimes
title_short Gene Effect of Morphophysiological Traits in Popcorn (<i>Zea mays</i> L. var. <i>everta</i>) Grown Under Contrasting Water Regimes
title_sort gene effect of morphophysiological traits in popcorn i zea mays i l var i everta i grown under contrasting water regimes
topic water stress
dominance gene effects
heterosis
root weight density
url https://www.mdpi.com/2077-0472/14/12/2157
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