Tobacco contains nicotine, nicotine insecticidal effect on humans, animals and the environment and will not cause any damage. Tobacco use in ancient China , there leachate control of plant pests records.bottle plastic sprayer Tobacco root , leaf and stem contains a lot of nicotine . Cigarette factory production process produces smoke dust, tobacco stems , moldy tobacco, tobacco, tobacco growers managed to lay a smoke when the top , the smoke of a tree, the old diseased leaves , harvest stem and root residues , etc., can be used to prepare the crude extract preparation.
Mode of action : contact and stomach poison, aversion and fumigation .
Control target: various vegetables aphids, cabbage worm , leafminers , mites, cabbage webworm and onion thrips .
Preparation and use: 1kg chopped tobacco leaves and stems in 15L water soak for 24 hours, plus a small amount of soap do emulsifiers, tobacco residue filtered after 24 hours , with a small piece spray garden water sprayer spraying.
没有评论:
发表评论