Consulta: creatorFacets:"Lucas,Dionéia D. P."
Registros recuperados: 3
Data/hora: 05/06/2024 14:27:07

Irrigation and fungicide application on disease occurrence and yield of early and late sown sunflower
Provedor de dados: Revista Brasileira de Engenharia Agrícola e Ambiental
Autores: Maldaner,Ivan C.; Heldwein,Arno B.; Bortoluzzi,Mateus P.; Loose,Luis H.; Lucas,Dionéia D. P.; Silva,Jocélia R. da.
The objective of this study was to evaluate the effect of irrigation and fungicide application on the occurrence of diseases and cypsela yield of two genotypes of sunflower. The experiments were carried out in Santa Maria-RS, during the regular season in 2007 and the late season, in 2008. Plants were sown on 04/09/2007 and 21/01/2008, in a completely randomized design, with four replicates. A 2 x 6 factorial scheme was used, with the sunflower genotypes Aguará 03 and Hélio 358 and six fungicide application schemes, which were determined by the FAST forecasting system, as follows: FAST 16, FAST 22 and FAST 28, without irrigation, FAST 16 IRR under irrigated condition, in addition to irrigated control (CONTROL IRR) and control (CONTROL). Disease progress was...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Helianthus annuus L.; Alternaria helianthi; Septoria helianthi; Disease forecast; Sowing date.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662015000700630

Evapotranspiração máxima e coeficiente de cultura da berinjela cultivada em estufa plástica
Provedor de dados: Revista Brasileira de Engenharia Agrícola e Ambiental
Autores: Loose,Luis H.; Maldaner,Ivan C.; Heldwein,Arno B.; Lucas,Dionéia D. P.; Righi,Evandro Z.
Apesar do cultivo da berinjela em estufa plástica ter aumentado no sul do Brasil, ainda é escasso o conhecimento sobre a evapotranspiração da cultura na condição de ambiente protegido para o manejo correto da irrigação. Objetivou-se determinar a evapotranspiração máxima e o coeficiente de cultura da berinjela cultivada em estufa plástica. Realizaram-se três experimentos em estufa plástica, dos quais dois na primavera dos anos de 2006 e 2007 e o outro no outono de 2007, na condição de clima subtropical úmido de Santa Maria, RS. As plantas foram cultivadas em camalhões de solo coberto por mulching plástico e irrigado por gotejamento. A evapotranspiração máxima da cultura foi medida em seis repetições de evapotranspirômetros de drenagem, contendo 20 L de...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Solanum melongena L.; Demanda hídrica; Cultivos protegidos.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662014000300002

Yield and growth characteristics of sunflower sown from August to February in Santa Maria, RS
Provedor de dados: Revista Brasileira de Engenharia Agrícola e Ambiental
Autores: Heldwein,Arno B.; Loose,Luis H.; Lucas,Dionéia D. P.; Hinnah,Fernando D.; Bortoluzzi,Mateus P.; Maldaner,Ivan C.
Sunflower (Helianthus annuus L.) is an oilseed crop that can be grown in different regions and sowing dates, but not all regions and sowing dates are appropriate for the crop development. The aim of this study was to determine yield and growth characteristics of sunflower on seven sowing dates, in Santa Maria, from 2007 to 2012. Five experiments were carried out in a completely randomized factorial design with four replications. The factor "A" was monthly sowing dates from the beginning of August to February and the factor "D" was two sunflower hybrids. Capitulum diameter, maximum leaf area index, maximum height of plants, weight of thousand achenes and yield were determined. In normal or La Niña years the highest yield is reached in September sowing...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Helianthus annuus L; Sowing dates; Meteorological conditions.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662014000900005