SIGNS
Hard, round black, brown, or gray bumps
Weak, wilted, or yellowing plants
TREATMENTS
Spray with diluted 50% isopropyl alcohol (rubbing alcohol) daily until insects are gone
Gently scrape off scale with a card
Remove affected leaves and stems
Spray with soapy water solution (three drops of soap in two cups of water)
Spray with diluted neem oil (one teaspoon in a quart of water) a
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