Page 23 - Simply Vegetables Spring 2021

Blue sticky trap
Cutworms
Eelworms
Leatherjackets Mammals
Pea moth
Scale
Thrips
Winter moth Woolly aphids
Botryrtis
None available
None available
None available Some poison baits
Avoid spraying as the plants are in flower.
Lambda-Cyhalothrin, Deltamethrin, Cypermethrin
Lambda-Cyhalothrin, Deltamethrin, Cypermethrin
Lambda-Cyhalothrin, Deltamethrin,
Lambda-Cyhalothrin, Deltamethrin, Cypermethrin
Brown rot
Nematodes water on the soil, encourage predators like birds and ground beetles; mesh crop cover and keeping crops irrigated.
Long rotation, destroy any infected plant material, good weed control (weeds are host plants)
Nematodes water on the soil, encourage Starlings if they will not damage plants Fencing, guards, traps etc.
Fleece or mesh cover, very early or late sowings avoids the egg laying period.
Encourage ladybirds, plant oil winter wash on fruit trees, and remove loose bark on grape vines. Sprays of fatty acids, natural pyrethrum, plant oils and plant invigorators
Blue sticky traps in greenhouses and use biological control predators and nematodes. Sprays of natural pyrethrum, fatty acids or plant oils. Plant invigorators also give some control.
Grease bands or barrier glue applied to tree trunk in October. Encourage predators like birds and ground beetles. Sprays of natural pyrethrins
Scrub off any colonies of aphid, encourage blue tits, plant oil winter wash, or plant oil sprays, fatty acids and natural pyrethrum in the summer. Encourage predators like earwigs, ladybird, hoverfly and lacewings.
Flea beetle
Lambda-Cyhalothrin, Deltamethrin, Cypermethrin
Use fleece or enviromesh, encourage predators such as ground beetles, frogs and birds spray with natural pyrethrins.
Gooseberry sawfly
Lambda-Cyhalothrin, Deltamethrin, Cypermethrin
Hand pick off eggs and caterpillars as soon as seen, spray off with a water jet or use nematodes. Natural pyrethrins sprays
Leek moth
None available
Hand picking, cover the leeks with fleece encourage predators like frogs and some birds.
Mites
Glasshouse fumigants
Maintain good humidity, syringe plants, and wash off mites with a water jet. Remove infested plants, thoroughly clean the greenhouse in the winter. Spray with plant oils, fatty acids or Plant invigorators. Also biological controls are available.
Onion fly
None available
Fleece or mesh, lift above the leaves or it affects the crops development. Nematode spray, remove and destroy any infected plants.
Slugs and Snails
Ferric phosphate
Water the soil with nematodes that attack the slugs, torchlight searches, encourage predators like frogs, toads, ground beetles etc. beer and fruit traps (Orange, grapefruit and melon skins) these need checking daily. Copper barriers and others.
Whitefly
Lambda-Cyhalothrin, Deltamethrin, Cypermethrin
Remove badly infected plants, yellow sticky traps, bio-controls of Encarsia wasp or other predators. Plant oil sprays, also fatty acids and natural pyrethrum. Persistence is needed to beat this pest.
Wireworms
None available
Potato or carrot traps, digging exposes them to birds. Nematodes.
Simply Vegetables 23