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Scouting: How, When and What. Jamie D. Yates University of Florida, IFAS, Citrus Research and Education Center Lake Alfred. Scouting in 2008-2009. Scouting is no longer an option, but essential to managing greening How successful do you want to become?

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Scouting: How, When and What


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scouting how when and what

Scouting: How, When and What

Jamie D. Yates

University of Florida, IFAS,

Citrus Research and Education Center

Lake Alfred

scouting in 2008 2009
Scouting in 2008-2009
  • Scouting is no longer an option, but essential to managing greening
  • How successful do you want to become?
    • Aim to stay viable and productive in the citrus industry
train your scouts
Train Your Scouts
  • Become familiar with the symptoms
    • Trainings available from UF-IFAS upon request
    • Online interactive training
  • Visit another grower with greening infected trees
  • Follow an experienced scouting crew
  • Essential to communicate with scouts (both English and Spanish)
  • Everyone learns differently!
make a plan choose your methods
Make a Plan-Choose your methods
  • Walking
    • Closer inspection of trees
    • Easy in young to mid-sized trees
  • ATVs
    • Faster than walking, but does not allow close inspection and difficult in tall trees
  • Elevated platforms
    • Best view of upper canopy
    • Must have scouts on both upper and lower platform
    • Reliable drivers are essential
make a plan survey path
Make a Plan-Survey path

Steve Futch. Ph.D.

make a plan design a flagging system
Make a Plan-Design a flagging system
  • Suggested Practices
    • Flag individual symptomatic branches
    • Write scout’s name and date on flagging tape
    • Flag each end of the row with number of flagged trees noted
    • Hedging can remove flagging material and create re-inspection/removal issues
    • GPS can also be used, but should be used in conjunction with flagging tape
  • Use a colored flagging tape specifically for greening
scout on time
Scout on Time
  • Minimum four times a year
  • Symptoms are most difficult to see during the spring and summer flush
  • Remember safety first!
scout on time8
Scout on Time
  • Plan your scouting program around your regular grove care practices
    • Don’t mow, hedge or apply chemicals in the same block with scouts
    • Prepare grove to improve efficiency of scouting, i.e. remove excessive weeds
  • Maintain proper grove maintenance
  • Scouting after a chemical application may be more difficult, be aware of REI of recently applied pesticides
  • Be flexible in Florida weather conditions including lightning and windy weather
focus
Focus
  • Remember your focus!
  • Symptoms
    • Blotchy mottle
    • Yellow veins
    • Vein corking
    • Green islands
    • Off-season bloom
    • Lopsided fruit
    • Off-colored fruit
pen test
Pen Test
  • Determine if symptoms are the same on both halves of the upper or lower leaf surface
  • Draw two circles on opposite halves of the leaf
  • Is the pattern the same in both circles?
scouting resources
Scouting Resources
  • Revised laminated sheets
  • Training DVD
  • Revised Greening Field ID Pocket Guides
  • NEW! Online Interactive Training
  • NEW! Greening brochure
  • NEW! Scouting for Citrus Greening brochure
  • NEW! Scouting for Citrus Greening (EDIS)