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Diseases
25 November 2021
This factsheet outlines how the repeated use of insecticides, fungicides and herbicides if not properly managed, can result in the development of resistant pest, pathogen and weed populations. It lists the known cases of resistance and advises how to prevent resistant strains developing.
27 August 2020
Find out how to recognise and manage bacterial diseases in herbaceous perennials.
6 March 2023
Find out about the symptoms, pathogen, biology, epidemiology and control of bacterial shot-hole of cherry laurels caused by Pseudomonas syringae pv. syringae.
17 February 2022
This factsheet provides guidance on how to minimise quality reductions in hardy nursery stock and herbaceous plants due to powdery mildew by avoiding environmental conditions favourable for disease development and by applying appropriate fungicide treatments.
13 December 2021
These annual reports cover a range of small scale trials undertaken in the Schleswig-Holstein region of Germany by the Trial Advisory Council (VuB) based in Ellerhoop on a range of field- and container-grown hardy nursery stock crops.
9 December 2021
These translated practical guides from PCS, Belgium cover a wide range of topics including integrated plant management, lighting crops, cost price calculation and profitability, fertiliser use in ornamental crops etc.
14 February 2023
Find out about bacterial shot-hole of cherry laurels: prevention and control.
14 February 2023
Find out about bacterial shot-hole of cherry laurels: symptoms, pathogen and biology
14 February 2023
Read about bacterial leaf spot of hardy geraniums: prevention and control
6 March 2023
Read about bacterial leaf spot of hardy geraniums caused by Xanthomonas hortorum pv. pelargonii: symptoms, pathogen, biology, epidemiology and control
15 February 2023
Read about bacterial leaf spot of hardy geraniums: symptoms and biology
6 March 2023
Read about bacterial leaf spot of ivy caused by Xanthomonas hortorum pv. hederae: symptoms, pathogen, biology and control.