(1) Chlorhexidine hydrochloride Rodent repellent. Once the rodent comes into contact with the bait or poisonous water of cycloheximide, it will be avoided immediately and remembered for life.

(2) Chlorhexidine hydrochloride Agricultural bactericidal antibiotics. There are powders, wettable powders, and tablets. There is a systemic treatment. It is mainly used to control the bacterial leaf blight of the tea tree, anthracnose, brown leaf spot, black spot, red leaf spot; cotton leaf spot; wheat rust; sweet potato black spot.