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Posted by desertmikey 11 (My Page) on
Sat, May 18, 13 at 13:40

I purchased a tibouchina last year from a local nursery here in Puerto Vallarta, Mexico. It did not do well and had problems with die-back of entire branches at times. I took cuttings from healthy looking branches and am now trying to grow them on into larger plants. Initially the cuttings thrived. However, I've noticed recently that terminal shoots develop, but the new leaves on those shoots fall off before developing, leaving bare "twigs". Is this a fungal or bacterial disease inherited from the mother plant that I have since discarded; or, is it indicative of an insect pest? Thanks for any help.

Follow-Up Postings:

RE: Tibouchina

It sounds like a case of spider mites. Spray with warm, soapy water (1 tsp. baby shampoo to a quart of warm water) and then rinse off after 10 minutes - see if that helps. I have a huge shrub of Tibouchina and have never had any luck rooting cuttings.

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