This is the first thing I do when I have any problem at all in my garden: 1 cup dishwashing soap to 20 gallons water (I have a hose end sprayer) spray it on the plants.. also do it every couple of weeks I heard this from Jerry baker, you might of heard of him, The Master yardener. Dane Helm Bremerton, WA http://members.tripod.com/~GreatDane/index.html (Frames) http://members.tripod.com/~GreatDane/MAIN.HTML (No Frames)