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2 Problems
1) Dealing with thrips on plants growing in semi-hydro culture is no
different that dealing with them on a plant grown any other way - a good contact/systemic insecticide is needed. They live and reproduce strictly in the vegetative tissue. 2) Fungus gnats indicate the presence of decomposing organic matter, which suggests that you didn't remove the organic potting media components well enough before moving the plant into S/H. A decent contact-killer insecticidal drench should do it. -- Ray Barkalow - First Rays Orchids - www.firstrays.com Plants, Supplies, Artwork, Books and Lots of Free Info! "Jack" wrote in message oups.com... I was wondering if any one has a good way of controling thrips and fungas gnats in S/H, I have tryed neem, systems, BTH and soaking, I still have the freeking critters (the gnats I can stand, but I HATE thrips) The other is how can you prevent damping off, every time I deflask seedling they loose all their leaves. Now 2 months later the little suckers that have survied so far are putting out more leaves, but I lost about half the batch, I think that my culture is good, 70% humidy, 65-75 F, a week in a 1/2 gal bag gradually hardening them off before putting them onto my grow rack. This is killing me. BTW Ray, stanhopea seem to do well in hydocorals for deflasking. Jack |
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