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

Author

Listed:
  • Danielle Leal Lamêgo

    (Laboratory 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, Brazil)

  • Antônio Teixeira do Amaral Junior

    (Laboratory 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, Brazil)

  • Samuel Henrique Kamphorst

    (Laboratory 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, Brazil
    Instituto Latino-Americano de Ciências da Vida e da Natureza, Universidade Federal da Integração Latino-Americana, Foz do Iguaçu 85867-970, PR, Brazil)

  • Valter Jário de Lima

    (Laboratory 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, Brazil
    Centro de Ciências Agrárias e biológicas, Universidade Estadual Vale do Acaraú—Campus Ibiapaba, São Benedito 62370-000, CE, Brazil)

  • Samuel Pereira da Silva

    (Laboratory 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, Brazil)

  • Jardel da Silva Figueiredo

    (Laboratory 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, Brazil)

  • Ueliton Alves de Oliveira

    (Laboratory 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, Brazil)

  • Flávia Nicácio Viana

    (Laboratory 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, Brazil)

  • Talles de Oliveira Santos

    (Laboratory 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, Brazil)

  • Gabriella Rodrigues Gonçalves

    (Laboratory 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, Brazil)

  • Guilherme Augusto Rodrigues de Souza

    (Laboratory 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, Brazil)

  • Eliemar Campostrini

    (Laboratory 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, Brazil)

  • Alexandre Pio Viana

    (Laboratory 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, Brazil)

  • Marta Simone Mendonça Freitas

    (Laboratory 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, Brazil)

  • Helaine Christine Cancela Ramos

    (Laboratory 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, Brazil)

  • Gonçalo Apolinário de Souza Filho

    (Laboratory 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, Brazil)

  • Carlos Eduardo de Rezende

    (Laboratory 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, Brazil)

Abstract

To propose breeding strategies for drought conditions, we investigated gene expression associated with morphophysiological traits in four S7 popcorn ( Zea mays var. everta ) 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.

Suggested Citation

  • 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 , 2024. "Gene Effect of Morphophysiological Traits in Popcorn ( Zea mays L. var. everta ) Grown Under Contrasting Water Regimes," Agriculture, MDPI, vol. 14(12), pages 1-14, November.
    • Handle: RePEc:gam:jagris:v:14:y:2024:i:12:p:2157-:d:1530971
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    References listed on IDEAS

    as
    1. Kamphorst, Samuel Henrique & Amaral Júnior, Antônio Teixeira do & Vergara-Diaz, Omar & Gracia-Romero, Adrian & Fernandez-Gallego, Jose A. & Chang-Espino, Melissa Carolina & Buchaillot, Maria Luisa & R, 2022. "Heterosis and reciprocal effects for physiological and morphological traits of popcorn plants under different water conditions," Agricultural Water Management, Elsevier, vol. 261(C).
    2. Chairi, Fadia & Elazab, Abdelhalim & Sanchez-Bragado, Rut & Araus, José Luis & Serret, Maria Dolors, 2016. "Heterosis for water status in maize seedlings," Agricultural Water Management, Elsevier, vol. 164(P1), pages 100-109.
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    1. Kamphorst, Samuel Henrique & Amaral Júnior, Antônio Teixeira do & Vergara-Diaz, Omar & Gracia-Romero, Adrian & Fernandez-Gallego, Jose A. & Chang-Espino, Melissa Carolina & Buchaillot, Maria Luisa & R, 2022. "Heterosis and reciprocal effects for physiological and morphological traits of popcorn plants under different water conditions," Agricultural Water Management, Elsevier, vol. 261(C).

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