2011
DOI: 10.1590/s0103-84782011005000036
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Número necessário de experimentos para a análise de trilha em feijão

Abstract: Número necessário de experimentos para a análise de trilha em feijão Number of necessary experiments for the path analysis in common beanRecebido para publicação 22.07. ABSTRACT In order to obtain reliable estimates, generated through path analysis, it is important to define the necessary number of experiments. The objective of this work was to determine the number of experiments necessary for the path analysis the number of pods per plant, number seed per pod and weight of 100 grains on grain yield the comm… Show more

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Cited by 6 publications
(7 citation statements)
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“…Thus, assuming the largest one of the 290 estimates of Xs (Table 3 and Figure 2), rounded up to the nearest integer, it can be inferred that seven experiments (environments) are sufficient to analyze the adaptability and stability of grain yield of maize cultivars with the Eberhart & Russell (1966) model. A similar number of experiments was established by Cargnelutti Filho et al (2006, 2009a, 2011, and Benin et al (2014).…”
Section: Sources Of Variationsupporting
confidence: 55%
See 1 more Smart Citation
“…Thus, assuming the largest one of the 290 estimates of Xs (Table 3 and Figure 2), rounded up to the nearest integer, it can be inferred that seven experiments (environments) are sufficient to analyze the adaptability and stability of grain yield of maize cultivars with the Eberhart & Russell (1966) model. A similar number of experiments was established by Cargnelutti Filho et al (2006, 2009a, 2011, and Benin et al (2014).…”
Section: Sources Of Variationsupporting
confidence: 55%
“…A discussion on the theoretical bases related to the adequate number of experimental environments in the study of genotype x environment interaction was performed by Resende (1998). Applied studies have been developed to determine the required number of experiments to compare bean cultivars (Cargnelutti Filho et al, 2006), by cluster analysis (Cargnelutti Filho et al, 2009a), and by path analysis (Cargnelutti Filho et al, 2011). Benin et al (2014) studied the optimal number of trials to predict grain yield of wheat genotypes, in order to select and recommend cultivars.…”
Section: Introductionmentioning
confidence: 99%
“…Por isso, são encontrados resultados distintos na literatura para a análise de correlação linear simples e para a análise de trilha em feijão. Para minimizar esse problema , Cargnelutti Filho et al (2011) recomendaram o uso de sete experimentos para a análise de trilha dos componentes da produtividade de grãos em feijão. Entretanto, nem sempre é possível conduzir um número tão elevado de experimentos para se fazer inferências sobre a análise de trilha em feijão.…”
Section: Introductionunclassified
“…So, it can be inferred that seven experiments are enough for the analysis of adaptability and stability of maize cultivars. A similar number of experiments was established by CARGNELUTTI FILHO et al (2006), CARGNELUTTI FILHO et al (2009b), CARGNELUTTI FILHO et al (2011 and BENIN et al (2014). Table 4 -Number of combinations and respective percentage, between parentheses, in which the Spearmans correlation coefficient (r) among the estimates of the parameter of adaptability and stability (Pi) of LIN & BINNS (1988) obtained at the combinations of 2, 3, 4, ..., n experiments with Pi of all the experiments (reference), was greater than or equal to 0.70, 0.75, 0.80, 0.85, 0.90, 0.95 and 1.00.…”
Section: ------------------------------------------------Early Cycle mentioning
confidence: 83%
“…Theoretical foundations concerning the appropriate number of environments for experimentation for the study of genotypes x environment interaction were discussed by RESENDE (1998). Conversely, applied studies, i.e., studies based on data from experiments for evaluation of bean cultivars have been developed with the purpose of determining the necessary number of experiments for cultivars comparison (CARGNELUTTI FILHO et al, 2006), cluster (CARGNELUTTI FILHO et al, 2009b) and path analysis (CARGNELUTTI FILHO et al, 2011). Optimal number of trials for the prediction of grain yield of wheat genotypes aimed for selection and recommendation of cultivars was studied by BENIN et al (2014).…”
Section: Introductionmentioning
confidence: 99%