Red Thread (Laetisaria fuciformis) © Bruce Watt, University of Maine
Bayer has spent hundreds of thousands of pounds getting Chipco Green re-registered
approved a product will have
full registration for around ten years, after which the whole
process starts again. Fungicides are classified by their mobility around the plant and are, in the main, either contact or systemic fungicides. How appropriate the mobility of the fungicide is will depend on:
• The stage of development of the crop
• How much leaf shading prevents a good spray coverage throughout the canopy
Fungicide mobility is defined as:
• Contact - contact fungicides are not taken up into the plant tissue and can only protect the plant where the spray is deposited
• Systemic - systemic fungicides are taken up and redistributed through the xylem vessels to the upper parts of the plant. New leaf growth is protected for a short period.
Chipco Green, being a contact fungicide, means it can be used and works all year round, not like systemic
fungicide formulations that require the plant to be active and growing in order to circulate through the plant to control disease.
The Chipco Green formulation has
excellent adhesion performance ensuring it can hit and stay on the target plant material, control the disease and prevent further disease for a good month after application. It controls on “contact” so does not rely on weather or grass growth – it works at all temperatures. It also has excellent rain-fast
properties (one hour - actually claimed on the product label) making it a worthwhile consideration in our wet UK climate, and is very reliable and fast acting. It remains a very stable product that has stood the test of time since 1981. With the end user complying to the relevant legislation and codes of practice required for handling and applying pesticides, plus the appropriate risk assessments and IPM strategy (Integrated Pest Management), there is every chance that the product will continue to gain approval for many more years in the future. The costs of bringing a product to
market and retaining its approval are quite staggering, and go some way to explaining why these products have a high retail price.
The use and effectiveness of any fungicide product is governed by many factors, which in most cases are driven by the knowledge, experience and skills of the practicing groundsmen or greenkeeper.
A sound IPM strategy should be in place, that is to say a combination of effective cultural practices and a back up of Fungicide treatments if so required.
Even with all the good intentions and sound cultural practices that are practiced the sheer pressures of providing high quality playing surfaces all year round does put the grass plant under stress and if the right climatic conditions prevail and the fungi are active you can soon be faced with an outbreak of disease, when the only option left is to spray with an appropriate fungicide. The fact that Chipco Green offers all
year round flexible use is, undoubtedly, one of the main reasons it has remained a popular choice for turfcare professionals for many years.
Red Thread
Fusarium
Anthracnose
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