Leafy salad (protected and outdoor), celery & watercress resources

AHDB Horticulture funded an extensive programme of research on many aspects of commercial protected and outdoor leafy salad production. The available reports and resources are listed below. 

PESTS OF LEAFY SALADS:

Pest insects infesting lettuce crops


Aphids

How to monitor and control the currant–lettuce aphid

IPM strategies for the control of aphids

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

Management of the lettuce root aphid

Research project CP 067: Biology and control of currant-lettuce aphid (Nasonovia ribisnigri) (HDC Studentship)

Research project PC 290: Development of robust IPM strategies for the control of aphids

Research project PE 012: An investigation into the effects of Jasmonic seed treatments on aphid in protected lettuce and parsley

Research project PE 012a: An investigation into the effects of Jasmonic seed treatments on aphid in protected lettuce and parsley


Capsids

Management of capsid (Mirid) bugs infesting outdoor celery crops

Research project FV 441: Celery - Investigation of strategies to control capsid bugs in outdoor crops


Hyperparasitism

An introduction to hyperparasitism


Leafminers

Biology and control of spinach and chard leafminers

Identification and life cycle of the brassica leaf miner on vegetables and oilseed rape

Leafminers of cruciferous salad crops

Research project FV 397: Management, monitoring and biology of chard and spinach leaf miners


Leatherjackets

Risk factors and management of leatherjackets in field crops


Mammal pests

Rodent control on farms

Managing rabbit problems associated with horticulture


Moths

Damage caused by cutworms (noctuid moths) on field crops

Monitoring and control of the silver Y moth on field crops


Slugs

Integrated slug control


Scaptomyza flava

Research project FV 408: Baby–leaf Cruciferae and Watercress: Improved control of Scaptomyza flava


Tarnished plant bug

Biology and identification of the tarnished plant bug in field crops


Wireworms

Identification and management of wireworms in field crops




DISEASES OF LEAFY SALADS:

Diseases of lettuce crops

Research project PC 298: Protected Lettuce: Developing Best Practice for Disease Control


Damping-off

Research project FV 367: Spinach - biology and management of damping-off disease


Fungal diseases

Lettuce Fusarium wilt and root rot

Lettuce Fusarium Wilt Workshop

Research project CP 152: A Systems Approach to Disease Resistance Against Necrotrophic Fungal Pathogens in lettuce

Research project CP 198: Exploiting pathogenomics and resistance for control of Fusarium wilt of lettuce

Research project FV/PE 458: Lettuce - biology and management of Fusarium wilt


Leaf spot

Celery leaf spot

Spinach leaf spots and their management


Oomycetes

Information on managing oomycetes

Video: Webinar - prevent, detect and control oomycete crop diseases




OTHER TOPICS ON LEAFY SALADS:

Biobeds

Biobeds for treatment of pesticide waste and washings


Biosecurity, hygiene and health and safety

Biosecurity guide Protected Edibles

Dithiocarbamate contamination of salad produce and the use of rubber gloves

Industry Guide to Good Hygiene Practice: Watercress

Video: Health & safety for protected edibles production


Energy

GrowSave - a knowledge exchange programme to help protected cropping growers save energy

Research project CP 200: GrowSave – an energy efficiency platform

Research project PE/PO 011: GrowSave; Energy & Resource Efficiency Knowledge Transfer for the PC Sector

Research project PE/PO 011a: GrowSave; Energy & Resource Efficiency Knowledge Transfer for the PC Sector

Research project PE/PO 013: Refrigeration-based dehumidification: energy performance and cropping effect on commercial nurseries

Research project PE/PO 013a: Refrigeration-based dehumidification: energy performance and cropping effect on commercial nurseries. 2nd year trials


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 - Microbials, Keeping it clean

Research project FV 433: Watercress - effect of regular consumption during radiotherapy treatment for early stage breast cancer (PhD Studentship)


Irrigation

Establishing a resilient water supply

International innovations in irrigated salad production: A brief review of science and industry evidence

Slow sand filtration

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


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


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

Introduction to fertigation

Nitrogen recommendations for baby leaf salad crops

Research project FV 370b: Wild rocket and baby leaf spinach: Impacts of nitrogen and phosphorus fertiliser applications on yield and quality


Quality

Research project CP 079: Understanding the mechanism and role that pre-harvest horticultural maturity, agronomic factors and growing conditions have on postharvest discoloration in celery

Research project FV 338a: Review and evaluation of two phosphate stripping materials for reducing phosphorus concentrations in watercress discharge outflows

Research project FV 413: A review of the agronomic factors that influence postharvest pinking in lettuce

Research project FV 438: Baby-Leaf Spinach - Investigating the impact of pre-harvest treatments on shelf-life and quality


Seed

Research project PE 004: Lettuce - An investigation into the use of seed treatments for the control of pests & disease


Soils

How to count earthworms

Management of the soil pest complex: millipedes, springtails and symphylids

Measuring soil nutrients, pH and organic matter

Video: How to conduct a quick assessment of your soils

Video: GREATsoils - the worm count test

Video: Webinar - Soil health for horticulture

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




Useful links

Outdoor salads - lettuce & celery crop walkers' guide

Management of farmland birds on vegetable farms

Protected Edibles Review 2019

Watercress.co.uk

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