SYNGENTA TURF TECHNICAL UPDATE
RESCUE gives clean and efficient Ryegrass removal in fine turf
In brief:
RESCUE is an exciting new selective herbicide for the control of Ryegrass infestations in turf
RESCUE removes weed Ryegrass and some other coarse grass species, whilst leaving fine turf species and Poa annua
Removal of coarse grass species will enhance putting surface consistency on greens, improve the visual appearance and playability
RESCUE has been tried and tested on all golf course types and is approved for use on all areas of the golf course
RESCUE can help rejuvenate fine turf surfaces faster, more cost effectively and with longer lasting results than conventional cultural control
How does RESCUE work?
RESCUE is an entirely new class of selective herbicide chemistry, developed by Syngenta specifically for the golf market. RESCUE selectively kills Ryegrass, whilst leaving fine turf grass species and Poa annua. Trials have shown RESCUE can also control some other coarse weed grasses.
RESCUE is rapidly absorbed into the leaves of target weed species from a foliar spray application. The active ingredient quickly moves systemically to reach growing points and into the roots, stopping cell division and killing the plant.
Rough RESCUE
RESCUE has been successfully used to create thinner, more manageable roughs. Removing thick, clumpy Ryegrass improves playability and makes ball location easier – helping to speed up play.
Removing unwanted Ryegrass can also enhance the environmental value of ‘out of play’ rough, by creating an open habitat where wildflowers can thrive – creating ideal conditions for improving biodiversity.
Grass species susceptibility to RESCUE Moderately susceptible
Unaffected Fescues Poa annua SSMG1
Browntop Bent* Highland Bent
Perennial Ryegrass Italian Ryegrass** Purple Moor-grass** Yorkshire Fog**
1 Smooth-stalked Meadow-grass * Temporary yellowing of Colonial/Browntop Bentgrass noted in some trials, typically outgrown in 7–10 days ** Control noted in trials – no label recommendation
RESCUE application rates
Spring treatments Autumn treatments Maximum number Apr – June
(maximum dose)
Golf course greens, tees, fairways
For more practical information and advice, go to:
www.greencast.co.uk or
www.greencast.ie
and rough Water volume Nozzle type
1.0 –1.33 l/ha (maximum dose) Sept – Nov 1.0 l/ha 250–500 l/ha
Flat fan 02 or 04 producing a medium quality spray RESCUE is rainfast in 1 to 2 hours
Do not tank mix RESCUE with any other products of treatments Two per annum Susceptible
AUTUMN 2009
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