Poinsettia. Main pest pressures

serious damage to the cuttings, to the extent of killing them. The larvae feed on the young roots of the plants, and can then progress into the stem, if not [...] Entonem ( Steinernema feltiae ) After the cuttings have been struck, protect the roots from sciarid fly attack by applying the entomopathogenic nematode Entonem [...] after 14 days the roots should be sufficiently mature to avoid damage Whitefly The glasshouse whitefly, Trialeurodes vaporariorum , and the tobacco whitefly