Published
2020-12-23

How to Cite

Castellanos Gonzalez, L., Torrado Martínez, J. M., & Céspedes Novoa, N. (2020). Biological media for the control of fusarium oxysporum in the crop of under Pamplona, North of Santander. Revista De Investigación Agraria Y Ambiental, 12(1), 13-28. https://doi.org/10.22490/21456453.3650
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Biological media for the control of fusarium oxysporum in the crop of under Pamplona, North of Santander

DOI: https://doi.org/10.22490/21456453.3650
Section
Área Agrícola
Castellanos, L. Universidad de Pamplona
Torrado, J.M. Universidad de Pamplona
Nestor Céspedes Novoa ASPAGRO

Contextualization: Fusarium wilt is the most important pea (Pisum sativum L.) disease in Pamplona, where indiscriminate use of chemicals is applied.  

Knowledge gap: There are no scientific reports of application or efficacy of biocontrollers for Fusarium wilt in pea in this municipality. 

Purpose: This research aimed to evaluate biological alternatives for the control of Fusarium wilt in pea cultivation in Pamplona, Norte de Santander in order to give recommendations to farmers about its possible use and to project future research. 

Methodology: An experimental design was carried out where six treatments were evaluated: three with biopreparations commercialized by the Association of Agricultural Producers (ASPAGRO), separately and in combination, a commercial antagonist (Trichoderma harzianum), a chemical treatment with benomyl, and a negative control. Fusarium oxysporum was identified as the causal agent of pea wilt in Pamplona. The commercial product based on Trichoderma harzianum was shown to reduce the incidence of the plant disease and the Area Under the Curve of Disease Progress (AUCPD) of Fusarium wilt in pea was similar to Benomil. 

Results y Conclusions: The analysis of variance for the incidence of wilt showed a difference between the treatments, the evaluation moments and between the interactions of the treatments and the evaluation moments, as well as between treatments for the incidence and the AUCPD at the end of the crop cycle. Compared to negative control, ASPAGRO's biopreparations of Caldo Rizósfera and Microorganismos de Montaña reduced the incidence of the disease and the AUCPD. The three biopreparations achieved to reduce the incidence of wilt. Nevertheless, the yield decreased by values close to 10, 25, and 30% in the treatments with Trichoderma, Caldo Rizósfera, and Microorganismos de Montaña, respectively, in comparison of benomyl. Therefore, the first two biological means are considered the best options for the control of Fusarium wilt in peas in Pamplona, however research should be carried out to validate them in larger areas.