Carrot & parsnip resources

AHDB Horticulture funded an extensive programme of research on many aspects of commercial carrot and parsnip production. The available reports and resources are listed below. 


Pest insects in carrot and Apiaceous crops

Research project FV 389: Combining biopesticides and other treatments to increase pest control

Carrot fly

Research project FV 414: Optimising carrot fly control using pyrethroids and Coragen

Research project FV 445: Carrots: Optimising control of willow-carrot aphid and carrot fly


Risk factors and management of leatherjackets in field crops

Mammal pests

Rodent control on farms

Managing rabbit problems associated with horticulture


Identification and management of swift moths in field crops


Free-living nematodes associated with carrots and parsnips

Free-living nematodes and their impact on the yield and quality of field crops

Identification and management of nematodes in field crops

Research project FV 447: Carrots & Parsnips - Developing a strategy to control Free Living Nematodes


Integrated slug control

Tarnished plant bug

Biology and identification of the tarnished plant bug in field crops

Willow carrot aphid

Life cycle and identification of crop damage caused by the willow–carrot aphid

Willow-carrot aphid migration forecast tool

Research project FV 445: Optimising control of willow-carrot aphid and carrot fly


Identification and management of wireworms in field crops


Common pests and diseases of carrots and parsnips


Control of Sclerotinia disease on carrots

Cavity spot

Cavity spot of carrot

Research project CP 046: Carrot cavity spot: the effects of non-carrot crops on levels of relevant Pythium spp in the soil

Research project FV 05: Carrots: the biology and control of cavity spot

Research project FV 353: Carrot cavity spot (i) using quantitative PCR to predict disease in strawed crops; (ii) controlling moisture for optimum disease management

Research project FV 373: Carrots: BCGA Incidence of cavity spot in Commercial Crops

Research project FV 373a: BCGA lead investigation into incidence of cavity spot in commercial crops

Research project FV 391: Carrots: improving the management and control of cavity spot

Research project FV 391a: Carrots: Development of artificial inoculation techniques for cavity spot caused by Pythium violae

Research project FV 391b: Carrots - Further development of artificial inoculation techniques for cavity spot caused by Pythium violae

Research project FV 405: Control of carrot cavity spot through the use of pre-crop green manures/biofumigation

Research project FV 432: Carrots - Understanding the ecology and epidemiology of Pythium violae to enable disease management

Research project FV 448: Carrot: An early warning system for risk of cavity spot in crops

Research project FV 448a: Development of an early warning test indicating the risk of Cavity spot in Carrot. Phase 2: Validation

Crown rot

Research project FV 374: Carrot - Investigating the Cause of Crown Rot in Organic Crops


Virus diseases of carrots

A literature review of novel strategies to manage viruses in UK crops

Research project FV 460: Investigating the timing of transmission of carrot viruses to improve management strategies

Research project FV 382: Carrot: Symptomatic survey of virus complexes

Research project FV 382a: Internal browning of carrot - investigating a link with the viral diseases Parsnip Yellow Fleck Virus (PYFV) and Carrot Motley Dwarf (CMD) disease

Research project FV 382b: The Epidemiology of Carrot yellow leaf virus (CYLV) - the development of a decision support system for the management of carrot viruses in the UK



Research project FV 383: Energy efficiency case studies for field vegetables enterprises a review of current practices

Food safety

How to keep fresh produce safe to eat

Monitoring microbial food safety of fresh produce

Video: Webinar - Microbials - Managing risk in the production of fresh produce

Video: Webinar - Disinfecting irrigation water for use on fresh produce

Video: Webinar - Microbials - Keeping it clean

Labour and skills

Edible horticulture skills survey

Video: Webinar - Operating in a reduced labour market

Video: Webinar - Using LEAN techniques to improve labour efficiency in horticulture

Video: Webinar - Using your time effectively

Nutrient management

Green manures – effects on soil nutrient management and soil physical and biological properties

Green manures – implications of economic and environmental benefits on rotational management

Green manures – species selection

Interpretation of leaf nutrient analysis: carrots & parsnips

Introduction to fertigation

RB209 Section 6 Vegetables and bulbs

Soil Nitrogen Supply for Field vegetables

Plant enhancers

Research project FV 394: Vegetable crops: Development of a screening programme for plant growth enhancement products

Research project FV 394a: Vegetable crops - Development of a screening programme for plant growth enhancement products


Vegetable seed quality, storage and handling

Seed rate demonstration trials


How to count earthworms

Measuring soil nutrients, pH and organic matter

Short-term green manures for intensively cultivated horticultural soil

Video: How to conduct a quick assessment of your soils

Video: How to do a soil health assessment

Video: GREATsoils - the worm count test

Video: Webinar - Soil health for horticulture

Video: Webinar - Soil health improvement – Cover crops and organic amendments


Insulation materials for carrot field storage

Research project FV 398: Over-winter carrot storage - a review of future opportunities

Research project FV 398a: Carrots: Identifying novel field storage techniques

Research project FV 398b: Carrots: Practical evaluation of field storage alternatives


Parsnip: New variety evaluation

Carrot variety breakage trials


Establishing a resilient water supply

Protecting the water supply for your crops


Control of volunteer potatoes in vegetable crops

Useful links

Carrot & parsnip Crop Walkers' Guide

Carrot and Parsnip - Intervention study to assess the effect of consumption on biomarkers of human health

Read the 2019 Field Vegetable Review

Management of farmland birds on vegetable farms

Weed control in ornamentals, fruit and vegetable crops - maintaining capability to devise suitable weed control strategies

Using flowering seed mixes to improve farmland biodiversity