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26 April 2019 Practical Sampling Plan for Liriomyza huidobrensis (Diptera: Agromyzidae) in Tomato Crops
Mayara C. Lopes, Arthur V. Ribeiro, Thiago L. Costa, Lucas de P. Arcanjo, Elizeu S. Farias, Abraão A. Santos, Rodrigo S. Ramos, Tamíris A. de Araújo, Marcelo C. Picanço
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Abstract

The pea leafminer, Liriomyza huidobrensis (Blanchard), is an important pest of tomato crops worldwide. Conventional sampling plans are the starting point for the development of pest control decision-making. The present study aimed to develop a conventional sampling plan for L. huidobrensis during the vegetative and reproductive stages of tomato (Solanum Lycopersicum L.). The best sampling unit for vegetative and reproductive stages of tomato crops was determined. The frequency distributions of L. huidobrensis densities in tomato crops were assessed, and the ideal number of samples to constitute the sampling plan was determined. The basal leaf of the middle section of the plant canopy was the best plant part for sampling. Pea leafminer densities were fitted to the negative binomial distribution with a common aggregation parameter (Kcommon = 0.7289) that represents all tomato fields. The sampling plan consists of 73 samples per field, irrespective of field size (1, 5, or 10 ha). Evaluations using this sampling plan were performed in 47 min, 1 h 9 min, and 1 h 25 min at a cost of US$1.74, US$2.54, and US$3.12 per sampling in fields of 1, 5, and 10 ha, respectively. The sampling plan developed in this study may lead to more well-informed decision-making for controlling L. huidobrensis in tomato fields up to 10 ha. Additionally, it is inexpensive (up to US$3.12 per sampling area), fast (up to 1 h 25 min per sampling area), and practical (it can be used in tomato crops at the vegetative and reproductive stages).

© The Author(s) 2019. Published by Oxford University Press on behalf of Entomological Society of America. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.
Mayara C. Lopes, Arthur V. Ribeiro, Thiago L. Costa, Lucas de P. Arcanjo, Elizeu S. Farias, Abraão A. Santos, Rodrigo S. Ramos, Tamíris A. de Araújo, and Marcelo C. Picanço "Practical Sampling Plan for Liriomyza huidobrensis (Diptera: Agromyzidae) in Tomato Crops," Journal of Economic Entomology 112(4), 1946-1952, (26 April 2019). https://doi.org/10.1093/jee/toz091
Received: 12 January 2019; Accepted: 21 March 2019; Published: 26 April 2019
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KEYWORDS
aggregation parameter
decision-making
leafminer
negative binomial
sampling unit
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