Show BEST WAY TO CONTROL LICE spray trees with black leaf no 40 a standard commercial tobacco extract the most satisfactory way to control lice on fruit trees Is by spraying them with black leaf 40 which la Is a standard commercial tobacco extract this tobacco solution can be purchased at roust most ony any store handling spray materials te rials and you will find directions on the can for its use it la Is a little difficult to satisfactorily control lice after they have become serious in regular spraying this tobacco extract Is added to the regular spray solution as it Is just as effective when used in combination with other materials as when used alone |