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Gaiters could control the spread of weed seeds like the
Horehound shown here
Weeds and Phylloxera
Protect our native vegetation and cropland
Weeds - seeds can be spread around in socks, in mud on boots, tools and vehicle tyres
keep clothes and equipment clean and dispose of cleanings properly
weeds can be suppressed by slashing at flowering
Phylloxera - aphid-like soil dweller that kills grape vines
if walking do not enter vineyards, obey access restriction signs and clean boots etc as shown on
  One year's seeding ...