Every season it is necessary to treat potatoes with poisons 3 times, or even more often, to combat the Colorado potato beetle. Naturally, this does not make it any more useful. In order not to use poisons, you need to spray potatoes with a natural, safe product that beetles cannot tolerate.
What you will need:
- Birch tar;
- warm water;
- plastic bottle 2 l.
The process of preparing and processing potatoes
To prepare the product you need to heat the water. It should be hot, but tolerable to the hand. Water is poured into a 2 liter bottle and 2 teaspoons of tar are added on top.
The bottle is closed with a cap with holes. They are drilled with a 0.5 mm drill. 5 holes are made in a row. You cannot pour the solution into a spray bottle, as the tar will clog it when it dries.
Potatoes are sprayed from a bottle immediately after emergence. There is no need to fill every bush; it is enough to simply spray the solution throughout the plantation so that most of it gets on the leaves.
Beetles hate tar, so they will not sit on such potatoes to lay eggs until the smell disappears.By repeating the treatment every 10 days from the moment the seedlings emerge, or more often if there has been heavy rain, you can repel it all summer. If you delay and the beetle has time to lay eggs, the emerging larvae will remain. Due to their slowness, they will not be able to get out of the bushes. Tar is unpleasant for them, but not fatal, so to combat the larvae you will still have to resort to poisons.
