Category Archives: Pests

Pest of the week – Mealy Cabbage Aphid

The Mealy cabbage aphid (Brevicoryne brassicae) is an aphid pest of brassicas. Due to the mild winter and the recent weather conditons, colonies of mealy aphid have been building in crops of oilseed rape. The aphid causes the flower buds to purple and distort, potentially leading to aborted pods and a reduced yield. If the […]

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Pest of the week – Wheat Bulb Fly

Wheat Bulb Fly, Delia coarctata, lays its eggs in exposed soil in July and August. The eggs will then hatch the following year, between January and March. After the eggs have hatched, the larvae move through the soil and bore into the base of cereal plants, feeding on the central shoot. This causes a ‘dead […]

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Pest of the week – Aphids

There are many types of aphids: Peach Potato Aphid (Myzus persicae), Bird cherry-oat aphid (Rhopalosiphum padi) and Grain aphid (Sitobion avenae), to name but a few. Aphids pose a threat to crops in several ways; – They feed by inserting their mouth parts into the xylem/phloem of the plant and sucking out the sugary sap. -Damage caused […]

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Pest of the week – Cabbage Stem Flea Beetle

The cabbage stem flea beetle (Psylliodes chrysocephala) and Wessex flea beetle (Psylliodes luteola) cause shot holing leaf damage to brassica plants. Oilseed rape is extremely susceptible to flea beetle attack, with some crops last season being destroyed by them. However, so far this season, damage has been present but hard to find in newly established crops. […]

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Pest of the week – Slugs

Slugs are a widespread pest that can cause damage to most crops year round navigate to this site. There are 3 key species of slug; Grey field slugs (Deroceras reticulatum & other Deroceras spp.), Garden slugs (Arion hortensis & Arion distinctus) and Keeled slugs (Milax, Tandonia & Boettgerilla spp.). Both cultural and chemical control is […]

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Slug control this autumn

The use up date for all methiocarb slug pellets is the 18th September, meaning only 2 active ingredients, metaldehyde and ferric phosphate, remain for slug control. Enzo 3 slug pellets offer a high quality, persistent and palatable metaldehyde based bait. The uniform size and density provide excellent spreading and ballistic characteristics leading to the optimum […]

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Pest of the week – Cabbage White Butterfly

The cabbage white butterfly comes in two sizes the small white (Pieris rapae) and the large white (Pieris brassicae). This species is responsible for widespread damage to many vegetable crops, particularly brassicas. The photo of the eggs below was taken earlier this week on a Brussels Sprout plant, within several days these will hatch into […]

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Neonicotinoid Seed Treatments

The devastating effect that cabbage stem flea beetle can have on oilseed rape crops is widely known. The ban on neonicotinoid seed treatments, introduced in 2013, has since caused problems for farmers across the EU. The devastation seen during the 2014/2015 season prompted a request from the NFU to try and make neonicotinoid treated rapeseed […]

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Spider Mite in Potatoes

  Last week saw us find a rare and often unnoticed pest, but by no means one that should be ignored. A farmer called asking for an opinion on what he thought was potato late blight. The area in concern showed similar symptoms from a distance, on a piece of headland that could potentially have […]

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Sugar beet leaf miner

The damage caused to sugar beet by leaf miner is easy to spot when driving around the east of England. The Mangold Fly is the adult of the leaf miner larva, and lays its eggs on the underside of sugar beet leaves. The larvae then burrow into the leaf to feed, causing the dead patches […]

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