Final diagnosis


Root-knot nematodes

Nematodes-Celeri1
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The lower leaves of badly affected plants show early senescence and desiccation. Fruit size and yields are reduced. <b><i>Meloidogyne</i> spp.</b> (root-knot nematodes)
The size of the galls caused by <b><i>Meloidogyne</i> spp.</b> is sometimes large. It fluctuates in particular according to the species. (root-knot nematodes)
Nematode-Tomate4
The galls, pearly white at first, vary in size and affect both the rootlets and the larger-diameter roots of this tomato plant. <b><i>Meloidogyne</i> spp.</b> (root-knot nematodes)
When the level of soil population is high, you can see the formation of veritable strings of swellings and galls spreading along the roots. <b><i>Meloidogyne</i> spp.</b> (root-knot nematodes)
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In roots strongly attacked by <b><i>Meloidogyne</i> spp.</b>, it is quite easy to observe with a binocular magnifying glass, and by delicately tearing the tissues of the cortex, hypertrophied females of white color (root-knot nematodes)
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Nematodes-Micro5
On this female extirpated from a gall, we can clearly see her stylet. <b><i>Meloidogyne</i> spp.</b> (root-knot nematodes)
Nematodes-Micro2
<b><i>Meloidogyne</i> spp.</b>, like other phytophagous nematodes, have a hollow buccal stylet allowing them to puncture cells in order to absorb their contents (root-knot nematodes).
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