UA71643U - Method for long-term biocenotic protection of berry-fields against harmful organisms - Google Patents

Abstract

A method for long-term protection of berry-fields against harmful organisms such that in the period of the beginning of mass laying of females of lepidopterous phytophages three techniques of settling a laboratory culture of Trichogramma of the species Trichogramma dendrolimi Mats onto bushes of the berry-fields are carried out with an interval of 5-6 days in an equivalent of 50; 70 and 50 individuals per bush. In addition, in the period of appearance of caterpillars of lepidopterous phytophages older then the third age on the plants two techniques of settling a laboratory culture Habrobracon (Habrobracon hebetor Say) onto bushes of berry-fields are carried out in an equivalent of 15 and 20 imagos per one bush. In addition, in the period of the first appearance of mycelial coating of powdery mildew on bushes two techniques of spraying the bushes with a mixture of two solutions of the preparations Phytolavin-300 are carried out with an interval of 8-10 days in an equivalent of 0.9 kg/ha and organic fertilizer Riverm, 6.0 l/ha. Furthermore, the subsequent two operations of spraying bushes of berry-fields are carried out by the preparation of Ampelomycin in an equivalent of 2.0 l/ha. Also at the beginning of mass laying of currant stem sawfly two techniques of settling the egg parasite Achrysochorella onto bushes are carried out with an interval of 4-5 days in an equivalent of 20 and 25 imago per bush.