Desempenho agronômico de milho crioulo em diferentes níveis de adubação no Sul do Brasil

Bianchetto, Renan; Fontanive, Daniel Erison; Cezimbra, Júlio Cesar Grasel; Krynski, A.; Ramires, Maiara Figueiredo; Antoniolli, Zaida Inês; Souza, Eduardo Lorensi de

doi:10.21674/2448-0479.33.528-545

Cited by 10 publications

(13 citation statements)

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“…Isso pode ser comprovado nos trabalhos que compararam variedades de milho crioulo aos híbridos em diferentes níveis tecnológicos de cultivo no Norte de Minas Gerais (Araújo et al, 2013). Portanto, não significa que milhos crioulos sejam adequados apenas para cultivo em sistema de baixa tecnologia de produção, no âmbito da agricultura familiar, pois haverá incrementos positivos em produtividade com a adoção de melhores técnicas de cultivo em relação àquelas restritivas em que está sendo submetido (Bianchetto et al, 2017).…”

Section: Desempenho Agronômico De Variedades De Milhos Crioulos Cultiunclassified

Desempenho Agronômico De Variedades De Milhos Crioulos Cultivados No Vale Do Jequitinhonha

Saraiva

Guimarães

Oliveira

et al. 2019

RBAS

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A cultura do milho é uma das principais no cenário econômico agrícola brasileiro. Seu cultivo pode ser realizado por genótipos comerciais e locais, conforme o perfil de agricultura desenvolvido em cada região. O objetivo este trabalho foi avaliar o desempenho agronômico e caracterizar por meio de alguns descritores, genótipos de milho crioulo, variedades melhoradas e comerciais para o cultivo em Couto de Magalhães de Minas-MG. O experimento foi conduzido na Fazenda Experimental Rio Manso, da UFVJM, durante a safra 2017/18. Foram estudadas seis variedades de milho crioulo, duas variedades melhoradas e duas variedades comerciais. As características avaliadas foram: tombamento, prolificidade, caracterização de espigas e grãos, bem como a produtividade de espigas e grãos. Os genótipos de milhos crioulos CR3, CR4 e CR6, oriundos de agricultores familiares locais que integram o Projeto Milho Crioulo, a variedade de população aberta Piranão e a variedade comercial UFVM 200 apresentaram produtividade de grãos satisfatória para a região.

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Section: Desempenho Agronômico De Variedades De Milhos Crioulos Cultiunclassified

Desempenho Agronômico De Variedades De Milhos Crioulos Cultivados No Vale Do Jequitinhonha

Saraiva

Guimarães

Oliveira

et al. 2019

RBAS

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“…obtaining an average of 214 cm for plant height, with a range of 180 to 261 cm. Bianchetto et al (2017) found no statistical differences in relation to plant height, comparing the hybrid cultivar with landraces.…”

Section: Morphoagronomic Aspectsmentioning

confidence: 69%

Caracterização morfoagronômica de raças locais de Zea mays L. em sistema agroecológico de produção

Barreto

Petry

Dutra

2021

CeN

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The objective of this study was to verify if Landrace maize compared to conventional hybrid corn differ in cycle and morphoagronomic traits when grown in agroecological system. The experiment was conducted at the Center for Agricultural Research at the Passo Fundo University, in a randomized block design with five replications, three Landraces of Creole maize (“Cabo roxo”, “Aztequinha” and “FrancoBrazileiro”) and hybrid maize. conventional (22s18 - Sementes Sempre). The fertilizer inputs were made with organic compost and Efficient Microorganisms (MS). Spontaneous species population, phenological cycle, stem diameter, ear and grain characteristics and yield per hectare were evaluated. The treatments did not differ significantly in the evaluation of the cycle in days presenting statistical difference only in plant height at the end of the cycle, where the Landrace “Cabo roxo” presented height of 209,9 cm. Regarding plant and ear characterization, the treatments differed significantly only in the evaluation of grain weight per ear, where the conventional hybrid reached 170,4 g. Thus, it was found that there is little significant difference between the local breeds and the conventional hybrid in the agroecological production system using mulch mass.

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“…When seeds of landrace cultivars are lost or disappear, there is also a loss of biodiversity, culture and historical traditions of families and communities (Bianchetto et al, 2017). From the emergence of maize hybrids, numerous cultivars adapted to specific regions have been replaced by a limited number of hybrid cultivars, which were created from a large genetic basis (Clerc et al, 2005).…”

Section: Economic and Social Importance Of Maizementioning

confidence: 99%

Maize: Key agricultural crop in food security and sovereignty in a future with water scarcity

Langner

Zanon

Streck

et al. 2019

Rev. bras. eng. agríc. ambient.

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The objective in this review was to discuss the importance of maize currently and the crucial role it may play in the future for food production in scenarios of water shortage, as well as the importance of conserving its landrace cultivars, which have a considerable portion of the reserve of genetic variability. Maize plants, when exposed to water deficit, may develop physiological, morphological, biochemical and anatomical adaptation mechanisms. With the aid of genetic improvement, characteristics that impart tolerance are fixed in plants through conventional methods. In this context, ‘Tuxpeño Sequia’ cultivars were developed in Mexico, while in Africa, one of the most important strategies was the development of ‘DT’ (Drought-tolerant) cultivars. In the United States, one of the most important processes was the development of PionerAquamax® hybrids, while in Brazil, it was the development of cultivars with the ‘Maya Latente’ gene. Through genetic transformation, the hybrid ‘MON 87460’ was developed. However, it should be mentioned that, for a cultivar to be well accepted by producers, besides having one or more adaptation characteristics, it must have a high grain yield. Biotechnological tools such as the use of molecular markers, genetic transformation, and modeling through bioinformatics, associated with conventional selection, will be fundamental to guarantee the advancement of water deficit tolerance in maize.

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Desempenho agronômico de milho crioulo em diferentes níveis de adubação no Sul do Brasil

Cited by 10 publications

References 0 publications

Desempenho Agronômico De Variedades De Milhos Crioulos Cultivados No Vale Do Jequitinhonha

Desempenho Agronômico De Variedades De Milhos Crioulos Cultivados No Vale Do Jequitinhonha

Caracterização morfoagronômica de raças locais de Zea mays L. em sistema agroecológico de produção

Maize: Key agricultural crop in food security and sovereignty in a future with water scarcity

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