Adaptability and productive stability of soybean genotypes under natural rust infection without fungicide

Silva, Nathália Salgado; Nogueira, Ana Paula Oliveira; Hamawaki, Osvaldo Toshiyuki; Marques, Fábio Serafim; Medeiros, Luiza Amaral; Gomes, Géssyca Ferreira; Guimarães, Bianca Gonçalves; Pena, Lucas Oliveira Araújo; Hamawaki, Cristiane Divina Lemes; Juliatti, Fernando Cézar

doi:10.14393/bj-v34n5a2018-41559

Biosci. J.

2018

DOI: 10.14393/bj-v34n5a2018-41559

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Adaptability and productive stability of soybean genotypes under natural rust infection without fungicide

Nathália Salgado Silva¹,

Ana Paula Oliveira Nogueira²,

Osvaldo Toshiyuki Hamawaki³

et al.

Abstract: The genetic breeding of soybean aims to obtain productive genotypes, so it is necessary that the genetic components, environment and the interaction between them be understood. The G x E interaction is the differential behavior of the genotypes against environmental. The objective was to study the G x E interaction and analyze the adaptability and stability of soybean genotypes under natural rust infection without fungicide. The experiment was conducted in the Genetic Breeding Program of the Federal University… Show more

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2023

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Adaptabilidade E Estabilidade De Cultivares De Aveia À Redução Do Uso De Fungicida Com Produtividade Satisfatória

Pereira¹,

Silva²,

Alessi³

et al. 2023

RGSA

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Purpose: The objective of the study is to identify oat cultivars with satisfactory productivity and adaptability to reduced use of fungicide concomitant with the longest interval between the last application and grain harvest, in the recommendation of biotype more adjusted to agroecological management. Method/design/approach: The study was developed in 2018, 2019, in Augusto Pestana, RS, Brazil. The experimental design was a randomized block with three replications in a 23 x 5 factorial, for 23 Brazilian oat cultivars and 5 fungicide use conditions, applied on the time scale every 15 days cumulatively: control (no application); one application 60 days after emergence (DAE); two applications at 60, 75 DAE; three applications at 60, 75, 90 DAE and four applications at 60, 75, 90, 105 DAE. Results and conclusion: Experimental strategies with the analysis of adaptability and stability help to identify oat cultivars that are more resilient to the absence or reduction of fungicide use, promoting more sustainable management. The cultivars URS Brava and URS Altiva present satisfactory productivity with adaptability to the absence or reduced use of fungicide, providing a safe interval from the last application to the grain harvest, with the indication for agroecological management. It is necessary to promote food security based on new scenarios, including the environment, technology, economy and society. Originality/value: Unprecedented study seeking to reduce the use of fungicidal pesticides to control oat diseases using adaptability and stability models, providing opportunities for the analysis of different scenarios to identify cultivars more suited to agroecological management.

show abstract

Adaptabilidade E Estabilidade De Cultivares De Aveia À Redução Do Uso De Fungicida Com Produtividade Satisfatória

Pereira¹,

Silva²,

Alessi³

et al. 2023

RGSA

View full text Add to dashboard Cite

show abstract

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Adaptability and productive stability of soybean genotypes under natural rust infection without fungicide

Cited by 1 publication

References 15 publications

Adaptabilidade E Estabilidade De Cultivares De Aveia À Redução Do Uso De Fungicida Com Produtividade Satisfatória

Adaptabilidade E Estabilidade De Cultivares De Aveia À Redução Do Uso De Fungicida Com Produtividade Satisfatória

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