Last edited by mato; 10-13-2012 at 10:40 AM.
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Two main problems, one is spore count.... its more "filler" than anything else. The spore count is horrible.
Secondly, their product has a 6m shelf life, and no exaggeration... but every time i ordered it, I had to call and complain that the delivered product was already out of date.
caveat emptor of course.
There are many strains of Trich, and some work better on pathogen "A" or pathogen "B"
Also, many do not really understand how to best use it.
Trichoderma sp. are highly antagonistic and parasitic towards pathogens. However, it grows slower than some pathogens. So the key here is to keep a strong, healthy culture present. If a pathogen is already actively attacking the plant... your chances of success are much less likely and may in fact "feed" the pathogen before the Trich population can become active enough to "win the war".
While I have used it successfully as a "cure" its real benefit is as a preventivie. It also forms a symbiotic relationship with the plant that is systemic in nature. This enables to plant to fight off pathogens and increases the plant's nutrient uptake.
Trichoderma is a living organism and alters itself to best match the pathogen it encounters... sort of an "intelligent" bioweapon.
However, it also has its own preditiors and while not common, they do exist... Its also been shown that other bio-products such as some of the B. subtilis strains decrease Trichoderma's effectiveness. Likewise, applying it to a nutrient rich enviroment causes the trich to becomes "fat and lazy"
All the statements I have made above are documented in dozens and dozens of peer reviewed research papers... well except for my personal observations on T-22
Last edited by Av8tor1; 10-13-2012 at 11:20 AM.
I don't use Trich on anything, I never have and haven't had any complaints from the Neps.
I'm thinking about trying it because I recently list a sing and inermis from rot induced by my misters. Hoping to protect everything.
I've never used a Trichoderma product on the one and only Nepenthes I have. I have used two different products on different occasions on Drosera filiformis but I've never posted about it. The plants were too far gone to begin with. Hail Mary treatments seldom work. And if you read the FAQ on Ampac's site it says not to treat plants with an active infection.
I've used the Ampac product on Sarracenia and Cephalotus with negative results and it took many treatments with two different systemic fungicides to correct the problems. There are several other growers in the LACPS who have had negative experiences with Trichoderma based products.
There may be difficulties shipping a live biological control agent from the US to South Africa.
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