Poinsettia. Main pest pressures
May 21, 2019
Sciarid fly, commonly known as fungus gnats, can cause serious damage to the cuttings, to the extent of killing them. The larvae feed on the young roots of [...] planting; this is key to ensuring that cuttings can form roots without being damaged, and after 14 days the roots should be sufficiently mature to avoid damage [...] vaporariorum , and the tobacco whitefly , Bemisia tabaci , a non-native notifiable pest, are reported to be the main pest pressures. However, over the last few