Thanks Nhu this explain a lot they should do the same for lily and Colorado beetles Roland 2010/6/23 Nhu Nguyen <xerantheum@gmail.com> > Hi Roland, > > BT is short for Bacillus thurigiensis, a bacterium (and it's gene products) > that is extensively used in agriculture. In organic gardening you can use a > powder of dormant cells like Arnold does and sprinkle/spray on your plants. > This bacterium kills insects as it's natural biology. Humans have exploited > their ability to do this due to certain set of genes and we have implanted > these genes into genetically modified crops to automatically kill the > insects without using the bacterium. > > Nhu, > Berkeley, CA > -- > http://www.flickr.com/photos/xerantheum/ > > On Sun, Jun 20, 2010 at 2:49 PM, bulborum botanicum <bulborum@gmail.com > >wrote: > > > Hello Arnold > > > > I am in Europe and maybe a stupid question > > what is: > > > > > > *I used BT mixed with water and sprayed over the lawn. > > > > Roland > > > > > _______________________________________________ > pbs mailing list > pbs@lists.ibiblio.org > http://pacificbulbsociety.org/list.php > http://pacificbulbsociety.org/pbswiki/ > -- R de Boer La Maugardiere 1 F 27260 EPAIGNES FRANCE Tel./Fax 0033-232-576-204 Email: bulborum@gmail.com