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Septoria leaf spot in organic tomatoes under diverse irrigation systems and water management strategies 75
Cabral,Ricardo N; Marouelli,Waldir A; Lage,Daniel AC; Café-Filho,Adalberto C.
The objective of this study was to analyze the temporal progress of septoria leaf spot of tomato, caused by Septoria lycopersici, in different irrigation systems. The experiment was carried out in an organic farming system, in a randomized block design with three replicates. Six irrigation systems were evaluated: GO1L: one drip-line per row of plants; GO2L: two drip-lines; SU: furrow; MIsub: microsprinkler below plant canopy; MIalta: microsprinkler above plant canopy; AS: overhead sprinkler irrigation. Water management strategies varied with soil moisture tensions. Irrigation by drip systems was carried out when soil water tensions reached 15-30 kPa (high moisture), whereas for SU the trigger soil tension was 30-60 kPa (moderate moisture). All other...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Solanum lycopersicum; Septoria lycopersici; Organic agriculture; Fresh-market tomato; Epidemiology.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-05362013000300009
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Long-life tomato cultivars growing under the hydroponic Nutrient Film Technique 63
Gualberto,Ronan; Oliveira,Paulo Sérgio Rabelo de; Resende,Francisco Vilela.
Farmers are interested in hydroponic tomato cultivation because of the high demand of high quality products by the consumers. Three trials here carried out under greenhouse conditions in Marília, SP, Brazil, using the hydroponic nutrient film technique, in order to evaluate yield and quality of long-life salad tomato (Lycopersicon esculentum) varieties, during 1998 and 1999. Four varieties (Carmen, Diva, Graziela, and Vita) were tested using a randomized block design, with six replications. The variety x crop season interaction effect was significant, meaning that varieties have distinct performances during the different cropping seasons. The Vita variety presented commercial valid yield, with mean fruit weights higher than the other varieties.
Tipo: Info:eu-repo/semantics/report Palavras-chave: Lycopersicon esculentum; Hidroponic crops; Greenhouse; Fresh-market tomato.
Ano: 2002 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162002000400027
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