John Pretorius - Engaging the unknown neighbourhood
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Transcript of John Pretorius - Engaging the unknown neighbourhood
Engaging the Unknown Neighbourhood
Prepared by: John Pretorius
Zulumac
5th October
2012
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Life Post Endosulfan Started
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Zulumac Production: Tons/ha per Annum
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s /
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Production Target:
3.7 tons/ha
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Zulumac v Av. Factory: Insect Damage
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2004 2005 2006 2007 2008 2009 2010 2011 2012 2013
Pe
rce
nt
Zulumac
Factory
Year
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• November 2012 – Bulldock: Early Spotting Bug
• Early Jan 2013 – Bulldock: Late Spotting Bug
• Summer 2013 – Flush: Thrips and Mites DAMAGE
• August 2013 – Lepidex: Lace Bug
• September 2013 – Lepidex: Lace Bug
• November 2013 – Bulldock: Spotting Bug
• End December 2013 – Bulldock: Spotting Bug
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Summer Flush 2014 Devastated by Mites and Thrips
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D-Day had Arrived
• Lace Bug – Red Alert!
• Thrips and Mites – Red Alert!
• Sigastus Weevil – Amber Alert
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Were these new pests or
Symptoms of my management practice?
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What Chemicals are Available?
• Contact sprays
• Toxic to Bees
• Broad spectrum
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Calibration of the Sprayer
Engaging with the Department of Entomology
• Thrips and Mite trials
• Hedge Traps – Spotting Bug
• Sticky Traps
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Engaging the Neighbours
19 properties with 10 or more trees
Of these 19:
• 5 have less than 200 trees
• 12 use consultants for P&D 63%
• 5 owners / managers attend regular field days 26%
Therefore The Neighbours are Engaged
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14m
10m
8m
8m
Is this the Unknown Neighbourhood?
Is this the weak link
in our pest
protection program?
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If you can’t get the
spray to the top of
the trees…
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Bring the top of the
trees down to the
spray
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program
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Southern Grey Tit2014 AMS 40th Anniversary Industry Conference proudly presented by
Trees Inside
Trees
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2014
2013
Jan 2012
Jan 2012
4m8m
If you can’t get the spray to the top of the trees
Bring the top of the trees down to the
spray
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“If I have seen further, it is by standing on shoulders of giants”
Sir Isaac Newton 1676
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