Anthracnose severity in common bacterial blight in bean under different spacing and plant population
Journal Title: Revista Verde de Agroecologia e Desenvolvimento Sustentável - Year 2017, Vol 0, Issue 0
Abstract
The beans (Phaseolus vulgaris L.) has great economic and social importance in Brazil as part of the basic food. The incidence of leaf diseases cause damage to crops. The objective was to evaluate the severity of Anthracnose and Bacterial blight common in bean under different spacing and plant populations. The experiments were conducted in the experimental area of Agricultural Center of Palma, the Federal University of Pelotas, in three years of cultivation. The populations used were 100, 200, 350 and 500 thousand plants ha-1 with spacings of 25, 50 and 75 cm. The evaluations were conducted in the pods and leaves when the plants were in the R8 stage. During cultivation of the crop the severity of the bacterial blight is higher than in the second crop, whilst the severity of injury is greater in the second crop. The severity of the common bacterial blight and anthracnose varies according to the year of cultivation. Smaller spacings between rows associated with larger populations of plants provide a faster closure of soil which results in a more favorable condition for the development of disease. The uniform distribution of plants in the area reduces disease severity.
Authors and Affiliations
Luis Osmar Braga Schuch, Irajá Ferreira Antunes, Marcos Paulo Ludwig, Sandro de Oliveira, Elisa Souza Lemes
Keywords
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- EP ID EP278376
- DOI 10.18378/rvads.v12i4.4589
- Views 112
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