Q.My diffinbachia plant I had since a baby it’s been like 6 yrs old
The middle stem has like flacks stuff on it. Thank you I sent u a pic
Downtoearthdigs
Answered on April 7, 2019
We did not receive an image.
It does sound like you may be describing Mealy Bug or possibly Scale pests.
This article will help you.
https://www.gardeningknowhow.com/plant-problems/pests/insects/mealybugs-control.htm
https://www.gardeningknowhow.com/plant-problems/pests/insects/control-plant-scale.htm
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