Raspberry, shrub of the Rosaceae family, found in any garden. They like to eat tasty and useful drupe adults and children. They have medicinal properties and fruit and leaves. Berries contain natural aspirin, however tea with raspberry jam doctors recommend, as an antipyretic agent.
During winter colds tea with raspberry helps to overcome the malaise. Drink made from brewed leaves have long been taken as a tonic, antiscorbutic.
Pests raspberries. Malin fly
But there is a pest that can weaken and even destroy a raspberry planting. This raspberry stem fly. Insect itself is less than one centimeter, feeds on nectar of flowers, the sweet secret of aphids.
In the spring, when the bloom raspberry, a female lays under the top sheet of the young raspberry shoots one egg. After five to eight days of them born voracious larvae, which penetrate into the stems and gnaw them moves, sinking down. At the surface of the earth emerge from the stem, are immersed in the soil and pupate in anticipation of next spring.
Effects
Damaged shoots wilt, wither and eventually die.
Just think! Offspring of only one female can destroy up to 90 shoots!
Due to the fact that the larva of the main part of its life inside the stem, wrestling with her difficult. Ray just to prevent pest reproduction.
Prevention and control measures
- In early spring, immediately after the snow melts, well loosen the soil in the planting, especially closer to the bushes.
- During budding conduct preventive treatment chemical or biological control agents in strict accordance with the instruction. In any case avoid overdose.
- In the spring of regular inspection raspberry, upon detection of wilting shoots need to be cut down to a healthy site immediately. If moves affected more than half the height of the stem, then it is removed completely, leaving no stump. All parts of the plant must be cut in the same day to burn.
- In spring and autumn sprinkle the ground under bushes ash. To destroy weeds.
- It should be remembered that most insect pests are plants by their smell, so to preventive measures include planting raspberry bushes near aromatic herbs: coriander, basil, dill.
- In autumn, after the harvest, the leaves raked out, burn, deeply dug soil. Treat the planting soil and 1% Bordeaux mixture.
- If the spring of damaged stems were many, autumn treat malathion, following the instructions requirements.
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