Abstract
Calendula officinalis L. (Asteraceae) is a traditional medicinal plant called pot marigold or English marigold. In this study, galled roots of pot marigold were collected from Balıkesir province of Turkey and egg masses were picked up from the roots of each plant with fine forceps. DNA was then extracted from samples and analyzed by species-specific primers referring to the most common Meloidogyne spp. Our results showed that Meloidogyne incognita was found as the only species in all the samples taken. The determination of M. incognita on calendula was done for the first time in Turkey.
Highlights
Plant parasitic nematodes, especially root-knot nematodes (Meloidogyne spp.), cause serious yield losses in vegetables, ornamental and medicinal plants, and horticultural crops around the world (Devran et al, 2017; Karssen et al, 2013; Pintea et al, 2003)
Russo et al (2008) pointed out that C. officinalis was infested with Meloidogyne incognita (Kofoid and White, 1919), Chitwood, 1949 in Italy
Histopathological changes induced by M. incognita were investigated in five ornamental plants including C. officinalis and it was found moderately susceptible based on the galling index (Siddiqui et al, 2014)
Summary
Especially root-knot nematodes (Meloidogyne spp.), cause serious yield losses in vegetables, ornamental and medicinal plants, and horticultural crops around the world (Devran et al, 2017; Karssen et al, 2013; Pintea et al, 2003). The plantation areas of ornamental and medicinal plants in tropical and sub-tropical countries have significantly increased recently in order to be used in pharmaceutical, perfumery, cosmetic and food industries (Pandey, 2017). Russo et al (2008) pointed out that C. officinalis was infested with Meloidogyne incognita (Kofoid and White, 1919), Chitwood, 1949 in Italy.
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