Water levels and soil mulches in relation to strawberry diseases an yield in a greenhouse

Scientia Agricola

Regina Célia De Matos Pires²  Marcos Vinícius Folegatti¹  Maria Aparecida De Souza Tanaka¹  Francisco Antonio Passos¹  Gláucia Maria Bovi Ambrosano¹  Emilio Sakai² 

[1] ,APTA IAC Centro de Pesquisa e Desenvolvimento de Ecofisiologia e BiofísicaCampinas SP ,Brasil

关键词: Fragaria × ananassa Duch.;    water management;    trickle irrigation;    disease;    Fragaria × ananassa Duch.;    manejo da água;    irrigação localizada;    doença;   

DOI  :  10.1590/S0103-90162007000600003

来源: SciELO

【 摘 要 】

The occurrence of diseases and its influence on strawberry yield in a greenhouse as well as its association with water management are still not well known. So, the aim of this work was to evaluate the effect of different water levels and soil mulches on strawberry plant health and yield in a greenhouse. The experiment was carried out at Atibaia, State of São Paulo, Brazil, from April to December 1995. The experimental design was a 2 × 3 factorial, in randomized blocks, with five replications, and consisted of two soil mulches and three water levels. The soil mulches consisted of clear or black plastic. Trickle irrigation was applied whenever the soil water potential reached -10, -35 and -70 kPa at a depth of ten centimeters. Cultivar Campinas IAC 2712 was used. Plants grown at a soil water potential of -10 and -35 kPa, with clear plastic mulch provided the best yields. A linear function fitted well considering total yield data and irrigation depths. The equation was y = -233.54 + 1.56x (R² = 0.78). The irrigation level of -70 kPa and the use of black plastic favored a greater incidence of soil-borne diseases late in the harvest season.

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