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Antioxidant activity and physiological performance of popcorn seed after saline stress and analysis of seedling images Ciência e Agrotecnologia
Catão,Hugo Cesar Rodrigues Moreira; Caixeta,Franciele; Lopes,Amanda Moreira; Nery-Silva,Flavia Andrea; Sá Júnior,Adílio de.
ABSTRACT Salinity influences all germination stages and may adversely affect seedling establishment in the field. The objective of this research was to determine the relationship between the antioxidant activity and the physiological performance of seeds and to verify the efficacy of the imaging analysis of popcorn seedlings after seed exposure to saline stress. A completely randomized design was used that consisted of four replicates in a factorial scheme. This scheme comprised three popcorn hybrids (P618, AP6002, and AP8203) and five saline potential levels (0.0; -0.1; -0.3; -0.6, and -0.9 MPa) that were obtained from KCl solutions of different concentrations. First count germination, germination and seedling vigor classification (strong normal...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Zea mays var. everta; Physiological quality; Seed vigor; Image processing; Salinity..
Ano: 2020 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542020000100230
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Morpho-physiology, yield, and water-use efficiency ofOpuntia ficus-indica irrigated with saline water Agronomy
Fonseca, Varley Andrade; Santos, Marcelo Rocha dos; Silva, João Abel da; Donato, Sérgio Luiz Rodrigues; Santos Rodrigues, Carlindo; Brito, Cleiton Fernando Barbosa.
Forage cactus pear is considered a xerophilic plant, so it is adapted to harsh semiarid conditions and is a forage resource of significant importance for animal production in regions that are subject to food shortage and long dry periods. We aimed to evaluate the morphometric and physiologic characteristics and water-use efficiency of ‘Gigante’ forage cactus pear under different settings of irrigation depth and irrigation intervals with saline water. The treatments included seven conditions of water application: rainfed, 5 liters of water per linear meter every 15 days; 7% reference evapotranspiration (ETo) with a 15-day irrigation interval; 15% ETo with a 7-day irrigation interval; 33% ETo with a 3-day irrigation interval; 50% ETo with a 2-day irrigation...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Semiarid; Irrigation management; Salinity..
Ano: 2019 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/42631
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Morpho-physiology, yield, and water-use efficiency ofOpuntia ficus-indica irrigated with saline water Agronomy
Fonseca, Varley Andrade; Santos, Marcelo Rocha dos; Silva, João Abel da; Donato, Sérgio Luiz Rodrigues; Santos Rodrigues, Carlindo; Brito, Cleiton Fernando Barbosa.
Forage cactus pear is considered a xerophilic plant, so it is adapted to harsh semiarid conditions and is a forage resource of significant importance for animal production in regions that are subject to food shortage and long dry periods. We aimed to evaluate the morphometric and physiologic characteristics and water-use efficiency of ‘Gigante’ forage cactus pear under different settings of irrigation depth and irrigation intervals with saline water. The treatments included seven conditions of water application: rainfed, 5 liters of water per linear meter every 15 days; 7% reference evapotranspiration (ETo) with a 15-day irrigation interval; 15% ETo with a 7-day irrigation interval; 33% ETo with a 3-day irrigation interval; 50% ETo with a 2-day irrigation...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Semiarid; Irrigation management; Salinity..
Ano: 2019 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/42631
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