Slugs and snails are again on the prime of the pests chart, after a 12 months through which individuals spent extra time tending their gardens, mentioned the Royal Horticultural Society.
The charity’s twenty fifth annual pest and illness rating – primarily based on enquiries from gardeners – reveals that slugs and snails, a mainstay of the rankings over time, topped the 2020 record for the primary time since 2017, with gardeners reporting injury to crops equivalent to potatoes and beans.
Vine weevils had been in second place once more however the field tree caterpillar, which strips field vegetation of their leaves, slipped to 3rd place in 2020 from first in 2019, as studies of the invasive species fell 40%.
The RHS mentioned analysis had discovered field tree caterpillar unfold slowed final 12 months following speedy progress into northern England and Wales.
On the plant illness entrance, honey fungus was once more prime of the rating, adopted by pear rust, then leaf spot and canker of prunus.
The RHS mentioned its gardening recommendation service had an 88% improve in pest and illness enquiries final 12 months as individuals spent extra time in gardens amid the Covid pandemic and lockdown restrictions.
Andrew Salisbury, principal entomologist on the RHS, says: “The pests and ailments that gardeners generally face on their plots has fluctuated over the past 25 years however some age-old issues persist.
“With gardens taking up a extra essential function in supporting wellbeing and the atmosphere it’s essential that analysis into administration and mitigation of them continues and our rankings assist inform this focus.
“It’s additionally crucial that we proceed to anticipate future threats such because the illness xylella, which is already current in Europe, and the marmorated stink bug, to guard our gardens for the long run.”
Prime pests 2020
1. Slugs and snails
2. Vine weevil
3. Field tree caterpillar
5. Woolly aphid
6. Glasshouse purple spider mite
7. Fuchsia gall mite
8. Glasshouse thrips
9. Rosy apple aphid
10. Capsid bug & glasshouse mealybug
Prime ailments 2020
1. Honey fungus
2. Pear rust
3. Leaf spot and canker of prunus
4. Rose black spot
5. Bracket fungi
6. Powdery mildew of prunus
7. Blossom wilt of fruit bushes
8. Phytophthora root rots
9. Rose powdery mildew
10. Brown rot of fruit