ITSEIN: software for the calculation of the tolerance limit to Meloidogyne spp. in crops of economic importance

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Dunia Pineda
Ileana Miranda
Daine Hernández-Ochandía
Mayra G. Rodríguez
Ricardo Holgado

Abstract

The present work was aimed to implement a computer system for calculating the tolerance limit to the root-knot nematode Meloidogyne spp. from the exponential model of Seinhorst, a computer system named ITSEIN (Seinhorst Tolerance Index) by the authors. The system was created in R 3.5.0, with the RStudio 1.1.447 development IDE and the library to implement the Shiny Server user interface. Initial data is entered or imported from a * .csv file by the user. It allows graphing the Seinhorst curves of various cultivars in unison, which facilitates comparing them according to the population density of nematodes they tolerate. The system displays parameters estimated by non-linear regression (minimum value and expected loss of the evaluated agronomic parameter and tolerance index) and allows graphing the relation between the initial population and the final population of the nematode, expressed as a reproduction factor. For validating the system, we used the experimental data collected from fresh mass areas (biomass area) obtained 60 days after inoculating potato plants (called 1 and 2 for the purposes of this work). Potato plants were inoculated with root-knot nematode juveniles (J2) and eggs (inoculum) at six inoculum densities per gram of substrate (0.125, 0.250, 1, 4, 16, and 64). Calculation of the tolerance limits to the root-knot nematode for two Cuban Potato cultivars (Solanum tuberosum L.) was possible by using the ITSEIN program, being demonstrated that this software could be used as a support tool for the decision making and establishment of strategies for root-knot nematode management.

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How to Cite
Pineda, D., Miranda, I., Hernández-Ochandía, D., Rodríguez, M. G., & Holgado, R. (2021). ITSEIN: software for the calculation of the tolerance limit to Meloidogyne spp. in crops of economic importance. Revista De Protección Vegetal, 36(3). Retrieved from https://revistas.censa.edu.cu/index.php/RPV/article/view/1153
Section
ORIGINAL ARTICLES

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