I haven't tried it yet (have a few sample packets laying around.) I heard a
presentation from one of their reps at a dahlia society meeting. It sounds
like there is some possibility it could be useful. I think they isolated a
protein from a fungus that attacks plants and when the plants senses the
protein it is supposed to trigger more growth. One thing that turned me off
was that their advertising at the time had the standard testimonials like "I
sprayed this on my plants and every orchid I owned bloomed withing two
weeks" which is complete bulls**t. The rep mentioned that they had a newer
product with a couple additional proteins because the original protein
didn't provide any benefit to one of the major crops (corn? cotton? I can't
remember, have some notes buried somewhere around here but that may take a
couple days to find). The three-protein formulation was being sold as a
foliar fertilizer, can't remember the exact name right now.
-danny

"cvandyke" wrote in message
]...
Has anyone looked into treating orchids with a product called "Harpin"
with a trade name Messenger made by EDEN Bioscience. Info on their
website (www.edenbio.com) sounds very intriguing. There is reference to an
article in the journal SCIENCE that indicates that the harpin protein can
be very beneficial to certain plants. Disease resistance, increased plant
growth etc.

Thanks

Charles VanDyke