White spot on maple

[Ming dynasty]

Hi, hope y’all doing well. I have a question about these white spots I’m finding on the trunk of my maple tree. Anyone know what it might be? Harmful or harmless?


Thank you for your help

 

[Wires_Guy_wires]

Could be scale, could be primordial roots.
Do they rub off easily?

 

[Ming dynasty]

Could be scale, could be primordial roots.
Do they rub off easily

It’s not hard to come off, but it leave a small residue behind.

 

[Wires_Guy_wires]

It's probably scale then. I'd wipe the branches with a tissue with some rubbing alcohol on them. Should get rid of most of them. Of course, wipe in the direction towards the branch tips so that you don't damage the buds.

 

[Ming dynasty]

It's probably scale then. I'd wipe the branches with a tissue with some rubbing alcohol on them. Should get rid of most of them. Of course, wipe in the direction towards the branch tips so that you don't damage the buds.

Should I be concern for the other trees?

 

[Wires_Guy_wires]

Should I be concern for the other trees?

Maybe. Scale doesn't travel a whole lot on foot. And in most healthy plants they don't do much harm if the population of scale is smaller. Just keep an eye out.
If you find a lot of ants, they farm scale and aphids, then it's time for a treatment.

 

[Clicio]

Could be scale, could be primordial roots.
Do they rub off easily?

I will second that, it looks like scale.

 

[Doogliebop]

I have a lot of that on my maples. I didn't know they were scale tho. Damn. I know what I'll be doing tomorrow. I thought they were just natural part of the bark surface.

 

[Ming dynasty]

I have a lot of that on my maples. I didn't know they were scale tho. Damn. I know what I'll be doing tomorrow. I thought they were just natural part of the bark surface.

I thought the same

 

[Doogliebop]

So according to Michael hagedorn these may be lenticels. Below is a copy paste of something I found at craeaegus.Com along with the pic they are referencing.

paolo macchi says:
June 18, 2019 at 5:01 am
Hi Michael, what are those white dots on the branches? Mealybug, scale or lignification? suddenly I see many of those on my mountain maple which can be removed easily leaving some reddish mark but not big enough for me confirm mealybug.
Reply

• 
  crataegus says:
  June 24, 2019 at 11:37 am
  I believe the white dots are lenticels. Pores in the trunk for gas exchange.

 

[Clicio]

So according to Michael hagedorn these may be lenticels. Below is a copy paste of something I found at craeaegus.Com along with the pic they are referencing.

paolo macchi says:
June 18, 2019 at 5:01 am
Hi Michael, what are those white dots on the branches? Mealybug, scale or lignification? suddenly I see many of those on my mountain maple which can be removed easily leaving some reddish mark but not big enough for me confirm mealybug.
Reply

• 
  crataegus says:
  June 24, 2019 at 11:37 am
  I believe the white dots are lenticels. Pores in the trunk for gas exchange.

Well, good news after all!

 

[Ming dynasty]

So according to Michael hagedorn these may be lenticels. Below is a copy paste of something I found at craeaegus.Com along with the pic they are referencing.

paolo macchi says:
June 18, 2019 at 5:01 am
Hi Michael, what are those white dots on the branches? Mealybug, scale or lignification? suddenly I see many of those on my mountain maple which can be removed easily leaving some reddish mark but not big enough for me confirm mealybug.
Reply

• 
  crataegus says:
  June 24, 2019 at 11:37 am
  I believe the white dots are lenticels. Pores in the trunk for gas exchange.

Thankyou for sharing this! Feel so much better now lol