Incidence of bacterial diseases associated with irrigation methods on onions (Allium cepa)
2018
Chorolque, Amelia | Pozzo Ardizzi, Cristina | Pellejero, Graciela | Aschkar, Gabriela | García Navarro, Francisco J | Jiménez Ballesta, R. (Raimundo)
BACKGROUND: In the last decade, diseases of bacterial origin in onions have increased and this has led to significant losses in production. These diseases are currently observed in both the Old and New Worlds. The present study aimed to evaluate whether the irrigation method influences the incidence of diseases of bacterial origin. RESULTS: In cases where the inoculum was natural, the initial incidence of soft bacterial rot did not manifest in any treatment in the first year, whereas, at the end of the conservation period, all treatments had increased incidences of infection. Sprinkler irrigation (8%) was statistically differentiated from the other treatments, for which the final incidence was similar (4.5%). For all irrigation treatments, the final incidence of bacterial soft rot decreased or remained stable towards the end of the cycle, with the exception of sprinkler irrigation in 2015, which increased. CONCLUSION: From the results of the present study, it can be inferred that the irrigation method does have an influence on the incidence of diseases of bacterial origin in the post‐harvest stage for onions. © 2018 Society of Chemical Industry
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