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Root knot nematode

Root knot nematode, Meloidogyne spp., are small round worms present on the roots and must not be confused with root knots of Rhizobium spp., which are actually good for the plant. Legume nodules are smaller and pinkish inside while Root Knot galls are distorted and have abnormal branches. Root Knot infestation just looks bad compared…

Beet cyst nematode (Hetrodera schachtii)

Beet cyst nematode

When susceptible crop plantings follow at close intervals i.e. within 12 months or less, beet cyst nematode builds up in the soil to damaging population concentrations. High populations may reduce the yield by 20-40%. The beet cyst nematode was found in vegetable lands around cities such as Johannesburg, Pretoria, Cape Town and Durban, Pinetown, Port…