Sorry curios101. Such a shame when your efforts go unrewarded.Unless someone can come up with a preventative method I may have to give up on my spot since it seems to reoccur yearly.So I ask anyone with a higher understanding than myself......Can this be avoided?If this is viral and carried by insects can anyone give me a proven method for the removal of boring worms from a particular area? I tried seven dust 10% on a continual basis up until the budding stage and the darn things are there anyway.Safers soap doesn't stop them either!Neither seem to reduce the leafhopper population as well.Are there any good over the counter insecticides for these two pests?