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Estimation of optimum plot sizes in field experiments with annatto

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dc.creator Viana Anselmo Eloy Silveira
dc.creator São José Abel Rebouças
dc.creator Matsumoto Sylvana Naomi
dc.creator Sales-Júnior Sálvio Gusmão
dc.date 2002
dc.date.accessioned 2013-05-29T22:31:49Z
dc.date.available 2013-05-29T22:31:49Z
dc.date.issued 2013-05-30
dc.identifier http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0006-87052002000200011
dc.identifier http://www.doaj.org/doaj?func=openurl&genre=article&issn=00068705&date=2002&volume=61&issue=2&spage=181
dc.identifier.uri http://koha.mediu.edu.my:8181/jspui/handle/123456789/2419
dc.description The objective of this study was to estimate the optimum plots size for experiments with annatto. The uniformity assay consisted of 12 rows with 12 plants in each row. The variety Bico de Pato was used, planted in 5 x 4 m spacing and evaluated at 5 years of age. Three methods were used: maximum curvature, modified maximum curvature and the comparison of variances. The plot size estimate varied according to the methodology used and the characteristic analyzed. The adequate plot size was found to be 107.2 m² (5 plants) using the modified maximum curvature method, which resulted in more precise estimates , taking into consideration that the ideal plot should facilitate the efficient evaluation of all characteristics analyzed in this experiment.
dc.publisher Instituto Agronômico de Campinas
dc.source Bragantia
dc.subject Bixa orellana L.
dc.subject coefficient of variation
dc.subject variance
dc.subject maximum curvature method
dc.subject experimentation
dc.title Estimation of optimum plot sizes in field experiments with annatto

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