Arable Data is king for successful biopesticide application
and light levels – is key to get- ting better control from biofungi- cides, suggests the latest research. Biopesticides are crop pro-
T
tection products based on liv- ing micro-organisms or natural products. Their effectiveness de- pends on a complex range of fac- tors, from temperature, the popu- lation of pest or disease present in the crop – and the way the prod- uct is applied. The £1.2m fi ve-year AMBER project is funded by AHDB Hor- ticulture. It is encouraging grow- ers to use data to build up their experience and knowledge of how biopesticides perform in differ- ent conditions, explained AHDB knowledge exchange manager Grace Emeny. “Keeping a log of the environ- mental conditions in which bio- fungicides are applied to the crop – and taking note of how well it controlled the disease – is impor- tant data that will help growers gain experience and confi dence in using these products.” Further research within AM- BER has shown that biofungi- cides can survive for different lengths of time, depending on the amount of disease present in the crop. The active ingredient in AQ10 — a biofungicide used to manage powdery mildew — re- quires the disease to be present in order to survive and control it. In contrast, the active ingredient in Prestop to control botrytis can survive without the host disease, said David Chandler, associate professor at Warwick University.
racking environmental conditions – including humidity,
temperature
Andrew Lane, of Silso Applications, discusses the benefi ts of biopesticides
“Biopesticides are only getting more important for sustainable integrated pest management. They can be more complex than conventional plant protection products, and it’s important that growers understand the many factors that can impact their ef- fectiveness at controlling pests and diseases.
“Timing your application based on knowledge of the factors that may impact biopesticide per- formance and using this with data about your environment to spray
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Biopesticides are becoming more important for integrated pest management
is so important to a successful con- trol programme.”
The latest information from
the AMBER project to help grow- ers get the best from their biope-
sticides will be shared at a special event for fi eld vegetable growers on 5 February 2020. For further details, visit ahdb.
org.uk/events. W R Suckling & Sons
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