When growing potatoes is always a real threat of the spread of the pest on the shoots in the spring and summer, as well as the mass egg-laying females and the emergence of a large number of larvae.
Later the crop shortfall could reach 20-30% or more.
Colorado beetle belongs to the family of leaf beetles. The insect is very voracious, in two days 25 individuals may completely destroy the tops of potato bush.
Number of pests in home gardens is always higher than in the industrial economies, as the potatoes are planted in almost the same place - a monoculture.
Protection of potato from the Colorado potato beetle should not be developed on the basis of the use of chemical means of protection, which are toxic, degrade the quality of tubers.
Control the Colorado potato beetle should begin when the first shoots of potatoes. Neobhodmo two to three times to collect beetles hand, survived the winter, with an interval of 4-5 days.
After collecting the pest proliferation tops (beetles andlarvae) in order to obtain biologically pure crop of tubers should be continued systematically. To shake beetles and larvae in a bucket with a concentrated salt solution.
Perhaps spraying potato shoots infusionsor decoction of acute peppers (0.5 kg of pepper cut and boil for 1 hour per 5 liters of water, then infuse for two days. For spraying 0,5 concentrate diluted in 10 liters of water), wormwood, a urea solution (100 g of urea 10 l water).
It helps to reduce the number of pest pollinationtops morning pure wood ash (2 tablespoons per 1 meter of row) with an interval of 3-4 days. In this case, not a beetle lays eggs and eats smaller tops.
Frightening means a spring garlic. It can be planted between rows of potatoes.