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In the context of digitalization, globalization, and internationalization, the twenty-first century has changed societies as well as their institutions and concepts, significantly affecting powerful communication technologies and the speed and forms of access to information. Being employable, coping with global competition, and having the appropriate equipment and skills for the professions of the future have become more important than ever in an information-intensive economic structure. The question of how education will function in adapting to the new work order and managing and categorizing knowledge has been important. Considering the success teachers have in achieving the purpose of education, what the skills of both the learner and the teacher should be in order to adapt to the rapidly changing world has become more important. Changing learning environments and styles, new student profiles, and transformations in social life and the business world are critical issues for the role of the teacher. This study discusses the skills teachers should have and tendencies toward teacher training within the scope of twenty-first-century standards. We make the following recommendations: having holistic goals for teachers’ pre-service, in-service, and professional development; providing opportunities for national and international mobility; promoting better salaries and working conditions; providing continuous professional development opportunities for teachers just starting their profession; lightening the curriculum while preserving wages; participating in guidance programs; facilitating access to resources; providing opportunities to systematically associate theory and practice; supporting consultation with colleagues; and encouraging the selection of mentors only from qualified and experienced specialist teachers in both in pre-service and in-service teacher training.

IntroductionEntomopathogenic nematodes (EPNs) (Steinernematidae and Heterorhabditidae) are mutualistically associated with insect-pathogenic bacteria and together they kill their insect hosts. The steinernematids are associated with the bacterial genus Xenorhabdus, whereas the heterorhabditids are associated with the genus Photorhabdus. These EPNs have adapted specific mechanisms to transmit the bacteria to their insect hosts (Dillman et al., 2012) and are considered good candidates for integrated pest management of soil insect pests (Lacey and Georgis, 2012). In fact, several nematode species are produced commercially and applied in a variety of cropping systems in many different countries (Alves, 1986;Garcia et al., 2008). These biological control agents must be delivered in a way that enables the infective juveniles (IJs) of the nematodes to survive and infect their hosts (Shapiro-Ilan et al., 2006;Brusselman et al., 2012). EPNs can be applied with nearly all agronomic or horticultural ground equipment including pressurized tank sprayers, mist blowers, electrostatic sprayers, drip irrigation systems, or even aerial sprayers (Georgis, 1990;

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