Национальный Университет Биоресурсов И Природопользования Украины
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Agricultural Chemicals And Associated Chemicals
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Abstract
A method for biological protection of hop plantations from harmful species of insects includes settling of laboratory entomophage cultures onto plants. Single settling of Trichogramma of the species Trichogramma pintoi Voeg. into hop agrocenoses is carried out in an equivalent of 75 ths. females per 1 ha. In the period of the beginning of rebirth of caterpillars of lepidopterous pests and imagos and caterpillars of coleopterous pests two sprayings of the plants with the biological preparations Viryn XS d.p. (dry powder) are carried out with an interval of 8-10 days in an equivalent of 0.3 kg/ha and Phytoverm 0.2 % e.c. (emulsion concentrate) in an equivalent of 1.0 l/ha. In the period of appearance of the caterpillars and larvae of the pests of the elder ages two settlings of the ectoparasite Habrobracon ( Habrobracon hebetor Say.) are carried out onto the plants with an interval of 7-8 days in an equivalent of 280-300 females per 1 ha.
UAU201003793U2010-04-022010-04-02Method for biological protection of hop plantations from harmful species of insects
UA53164U
(en)