Re: [gardeners] A "What is it?" Question

Allen and Judy Merten (
Wed, 05 May 1999 21:09:52 -0500

    Just a guess, but it sounds like eggs of some insect.
Bastrop Co.
SE Central Tx.

Linda Baranowski-Smith wrote:

> Dear Gardeners,
> Last evening I noted something on the leaf growth on Ipomoea, Sweet Potato
> Vine 'Blackie.'  The plants are in our polyhouse.  Whatever this "stuff
> is, neither my GP nor I have ever seen it before.   A picture would help
> but, since I don't have that to send, I'll do my best to describe it... and
> I'm hoping someone out there may have an answer.
> The gross appearance was of whitish projections on only the upper leaf
> surface, something like witchhazel gall.  They were firm to the finger
> touch and about 1 to 2 mm high.  We looked at them under a dissecting scope
> and found them firmly attached to the surface.  When broken from the
> surface with a forcep, liquid was released but any larvae or spores were
> not obvious.  The structure was neat, like iced stalactites or stalagmites,
> with smooth points and some surface bumps.
> Lordy, lordy, I hope it's not some major pathogen!  We isolated two
> affected plants.  Can anyone help us ID this "stuff"?  Thanks much!
> Linda in NW Ohio near Toledo/Lake Erie, USDA Zone 5