**Author details**

Relevant studies have identified quantitative trait loci (QTL) of *S. pennellii* that affect the AA chemistry [64–66, 87–89]. It was observed that some QTL alter the chemotype of AA accumulation in tomato lines descendants of the accession 'LA 716' [87]. It is considered that the addition of QTL that alter AA chemotype in tomato line could provide a means of generating

The two main pest tomato breeding programs in the world are under the leaderships of

Dr. Maluf is a professor at the Department of Agriculture, Federal University of Lavras (UFLA), Brazil and a partner at Hortiagro Sementes SA, a company that maintains a mutual cooperation agreement with UFLA in the breeding and production of vegetable seeds research area. Their work resulted in the obtaining of tomato lines with high foliar levels of AA, ZGB and

The pest insect and arachnid breeding study, coordinated by Dr. Maluf, mainly applies colorimetric methodologies developed or adapted for the quantification of allelochemical content in leaflets and the selection of resistant strains, contributing to pest control and minimizing the intensive use of chemical insecticides in tomato crops. Following Dr. Maluf's legacy, Dr. Juliano Tadeu Vilela de Resende, a professor at the Department of Agronomy at the Central-West State University (UNICENTRO), Brazil, has also dedicated himself to improv-

However, other than the research conducted by the Cornell University, UFLA and UNICENTRO research groups, few researchers have developed breeding aimed at obtaining new pest-resistant tomato cultivars. Considering these aspects, it is necessary to stimulate agronomy students to follow the career of the classic tomato pest-breeding, thus avoiding the extinction of committed professionals in this line of research, in a not so distant future.

In general, *Solanum lycopersicum* genotypes containing high levels of allelochemicals are promising in the context of advancements aiming at creating lines adequate for both table and processing and displaying pest insect and arachnid resistance. They represent a favorable condition for integrated pest management because they facilitate pest control, reducing the amount of chemicals applied to the crops and, simultaneously, contribute to decreased

~15% of the AA levels of 'LA716' but with a different composition [64–66, 69].

. Mutschler is a professor in the Department of Plant Breeding, College of Agriculture and Life Sciences, Cornell University. The Cornell University tomato breeding program conducts important works in relation to the crossed *S. pennellii* accession 'LA716' with cultivated tomato to then derive tomato breeding lines with resistance to pests AA-mediated. As a result of these works, the benchmark AA breeding line was developed, CU071026, which produces

AA with stronger resistance [90].

38 Recent Advances in Tomato Breeding and Production

2-TD and resistant to pests [6, 12, 55].

ing tomato plants regarding pest resistance.

**6. Final considerations**

production costs.

Dr<sup>a</sup>

Martha A. Mutschler and Wilson R. Maluf, respectively.

André Ricardo Zeist1 \*, Alex Antônio da Silva2 , Juliano Tadeu Vilela de Resende2 , Wilson Roberto Maluf1 , André Gabriel2 , Daniel Suek Zanin3 and Edson Perez Guerra2

\*Address all correspondence to: andre.zeist@bol.com.br

1 Departament of Agronomy, Universidade Federal de Lavras, Minas Gerais, Brazil

2 Departament of Agronomy, Universidade Estadual do Centro-Oeste, Paraná, Brazil

3 Center of Agroveterinary Sciences, Universidade do Estado de Santa Catarina, Santa Catarina, Brazil
