Mike from Lampasas, Tx writes
Per the Prime Source Chlorothalonil 720 Select product label, " Application through sprinkler irrigation systems is recommended only for those specific crops for which the notation “chemigation OK” is listed on this label. Apply this product only through center pivot, motorized lateral move, traveling gun, solid set and portable (wheel move, side roll, end tow, or hand move) irrigation system(s). DO NOT apply this product through any other type of irrigation system.
Answer last updated on: 08/31/2018