Abstract
During the 2000 to 2017 years average biological efficacy after 4 and respectively 6 treatments with Trichogramma on annual crops such as cabbage, corn, tomatoes, peas, sugar beet and soybean varied in the first variant from 74% to 90.0% whereas in the second variant varied from 60% to 76%. Pests attack on agricultural crops researched varied from 2% to 10%, after Trichogramma launching. In the untreated field, the same index varied from 16% to 90%.
Highlights
During the 2000 to 2017 years average biological efficacy after 4 and respectively 6 treatments with Trichogramma on annual crops such as cabbage, corn, tomatoes, peas, sugar beet and soybean varied in the first variant from 74% to 90.0% whereas in the second variant varied from 60% to 76%
A very important role in integrated plant protection belongs to biological measure for plant protection
The basic principle of the biological control is the biocenotic balance through which the population of a species is conditioned by other species
Summary
Trichogramma spp. entomophage is one of the most important biological agents in biological plant protection and in integrated plant protection, which rears in the laboratory conditions and accumulate fatly because of its short development period of a generation. One of the most significant problems in mass rearing of Trichogramma is its quality which decreases while rearing several generations consecutively on host laboratory eggs, respectively its field efficacy decreases. For this reason several researches were made for augmenting its efficacy. To increase the quality and effectiveness of Trichogramma, different rearing methods were used on various hosts for plant protection.
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