Aalwurms – oftewel nematodes – is wurmagtige organismes wat in alle gronde voorkom en waarvan sommige spesies op plantwortels voed. Aalwurms wat wingerde aanval is meestal te klein om met die blote oog te sien, maar hulle kan ’n merkbare impak op winsgewendheid hê.
“Daar is skattings van hoeveel oesverliese nematodes veroorsaak,” sê dr. Rinus Knoetze, nematoloog by die LNR Infruitec-Nietvoorbij. “Dis ongeveer 15%.”
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