Roots of Gentiana macrophylla showing galls induced by Meloidogyne hapla (gall and egg mass, arrow).
Figure 2:
Molecular and morphological identification of Meloidogyne hapla. A: PCR amplification products of DNA extracted from Meloidogyne hapla using primer set JMV1/JMV hapla. B: Morphological observed on perineal pattern of female. Low range DNA ladder 2,000 bp.