Interacción genotipo-ambiente en avena sativa l: utilizando los modelos AMMI y factorial de correspondencias

Acciaresi, Horacio Abel; Chidichimo, Hugo Oscar

doi:10.1590/s0100-204x1999001000008

Cited by 5 publications

(3 citation statements)

References 13 publications

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“…The cages were arranged in a randomized complete block design, each cage serving as a replicate, and treatments were replicated seven times. Acciaresi and Chidichimo 1999).…”

Section: Methodsmentioning

confidence: 99%

“…Therefore, D. kuscheli is not considered a pest in oat, and no breeding program against this insect has been conducted. There are oat-resistant varieties against another phloemfeeding Homoptera pest, the greenbug, Schizaphis graminum (Rondani), available (Arriaga 1954, Acciaresi andChidichimo 1999). However, there is no information on whether this resistance also is effective against D. kuscheli.…”

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confidence: 99%

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Maize and Oat Antixenosis and Antibiosis Against <I>Delphacodes kuscheli</I> (Homoptera: Delphacidae), Vector of “Mal de Rio Cuarto” of Maize in Argentina

Lenicov¹,

Zanelli²

2005

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"Mal de Rio Cuarto" (MRC) is the most important virus disease of maize, Zea mays L., in Argentina. Several maize lines show different levels of resistance to MRC in the field; however, no studies have been conducted to investigate resistance mechanisms against its insect vector, Delphacodes kuscheli Fennah (Homoptera: Delphacidae). Oat, Avena spp., is the main overwintering host of D. kuscheli and main source of populations that infest maize. Although oat varieties resistant to the greenbug, Schizaphis graminum (Rondani) (Homoptera: Aphididae) are commercially available, their effect on D. kuscheli is unknown. We conducted laboratory experiments to test for the presence of antixenosis and antibiosis resistance mechanisms on six maize lines with different levels of field resistance to MRC, and seven commercial oat cultivars that include two S. graminum-resistant varieties. We did not find antibiotic effects of maize lines on D. kuscheli longevity and survivorship patterns, but we obtained antixenotic effects from the LP2 line (field moderate) due to reduced settling preference and feeding. Oat 'Bonaerense Payé and 'Suregrain INTA' showed both antixenosis and antibiosis, with significantly less settling preference, oviposition in the no-choice test, and reduced total fecundity in comparison with the other varieties studied. The S. graminum-resistant 'Boyera F. A.' and 'Tambera F. A.' did not showed a consistent pattern of resistance versus D. kuscheli across all experiments. Our results indicate the presence of potential sources of insect resistance in the maize lines and oat cultivars tested that may be used in MRC integrated pest management programs.

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“…The cages were arranged in a randomized complete block design, each cage serving as a replicate, and treatments were replicated seven times. Acciaresi and Chidichimo 1999).…”

Section: Methodsmentioning

confidence: 99%

mentioning

confidence: 99%

Maize and Oat Antixenosis and Antibiosis Against <I>Delphacodes kuscheli</I> (Homoptera: Delphacidae), Vector of “Mal de Rio Cuarto” of Maize in Argentina

Lenicov¹,

Zanelli²

2005

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“…Alguns estudos têm sido feitos comparando o modelo AMMI com a regressão linear e a conclusão predominante é que o primeiro tem sido mais eficiente em explicar a interação GxE (Yau, 1995;Annicchiarico, 1997;Pereira & Costa, 1998;Acciaresi & Chidichimo, 1999;Rocha, 2002). No caso do feijão caupi, não há relatos na literatura do uso do modelo AMMI em estudos de adaptabilidade e estabilidade fenotípica.…”

Section: Adaptability and Stability Of Grain Yield In Climbing And Brunclassified

Adaptabilidade e estabilidade da produtividade de grãos de genótipos de caupi enramador de tegumento mulato

Filho¹,

Ribeiro²,

Rocha³

et al. 2003

Pesq. agropec. bras.

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Resumo -O objetivo deste trabalho foi avaliar a adaptabilidade e a estabilidade da produtividade de grãos de 16 genótipos de feijão caupi (Vigna unguiculata (L.) Walp.) utilizando o modelo de efeitos aditivos principais e interação multiplicativa. Os ensaios foram realizados em nove ambientes, locais e anos, da região Meio-Norte do Brasil, Estados do Piauí (PI) e Maranhão (MA), no período de 1999 a 2001. Os efeitos de ambientes e interação genótipos x ambientes, e os dois primeiros eixos da análise de componentes principais da interação foram significativos (P<0,01). A análise de componentes principais explicou 61,25% da soma de quadrados da interação genótipos x ambientes. Os genótipos TE93-244-23F e TE93-213-12F-1 reuniram genes para adaptabilidade e estabilidade, os quais podem ser cultivados em todos os ambientes. Os genótipos BR 17-Gurguéia, Canapuzinho e EPACE-10 apresentaram as maiores médias de produtividade, mas foram instáveis e com adaptação específica a ambientes de alta qualidade. Os ambientes mais favoráveis para a produtividade de grãos foram Bom Jesus, PI, 2000; Palmeira do Piauí, PI, 2001 e Sambaíba, MA, 2000. Não houve tendência de agrupamento de locais por Estado e a distribuição foi equilibrada em termos de qualidade ambiental.Termos para indexação: Vigna unguiculata, interação genótipo-ambiente, previsibilidade. Adaptability and stability of grain yield in climbing and brown coat cowpea genotypesAbstract -The objective of this work was to evaluate the adaptability and the grain yield stability of 16 cowpea (Vigna unguiculata (L.) Walp.) genotypes using the additive main effects and multiplicative interaction model. The trials were carried out at nine environments, locations and years, of the MiddleNorth region of Brazil, states of Piauí (PI) and Maranhão (MA), in the period from 1999 to 2001. Environments and genotype x environment interaction effects, and the first two axes of the analysis of principal component of the interaction were significant (P<0.01). The analysis of principal components explained 61.25% of the sum of squares of the genotype x environment interaction. TE93-244-23F and TE93-210-12F-1 genotypes gathered genes for adaptability and stability, and can be cultivated in all environments. BR 17-Gurguéia, Canapuzinho and EPACE-10 genotypes presented the highest yield averages, but were unstable and with specific adaptation to environments of high quality. The environments more favorable were Bom Jesus, PI, 2000; Palmeira do Piauí, PI, 2001, and Sambaíba, MA, 2000. There was no tendency of locations grouping by State and the distribution was balanced in terms of environmental quality.

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Genotype-Environment interactions in rice (Oryza sativa L.) in temperate region using the Joint Regression Analysis and AMMI methods

Asenjo¹,

Bezus²,

Acciaresi

2003

CEREAL RESEARCH COMMUNICATIONS

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Interacción genotipo-ambiente en avena sativa l: utilizando los modelos AMMI y factorial de correspondencias

Cited by 5 publications

References 13 publications

Maize and Oat Antixenosis and Antibiosis Against <I>Delphacodes kuscheli</I> (Homoptera: Delphacidae), Vector of “Mal de Rio Cuarto” of Maize in Argentina

Maize and Oat Antixenosis and Antibiosis Against <I>Delphacodes kuscheli</I> (Homoptera: Delphacidae), Vector of “Mal de Rio Cuarto” of Maize in Argentina

Adaptabilidade e estabilidade da produtividade de grãos de genótipos de caupi enramador de tegumento mulato

Genotype-Environment interactions in rice (Oryza sativa L.) in temperate region using the Joint Regression Analysis and AMMI methods

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