| Popis: |
The paper presents the results of evaluating the efficiency of insecticides for 2016–2021 containing acetamiprid as an active ingredient (a.i.) and its combination with compounds from other chemical groups in protecting cereals from dominant pests. It’s established that pre-sowing treatment of seeds with an insecticidal preparation contributed to a decrease in the damage caused by wireworm and cereal flies to winter wheat up to 87,0 % and up to 69,9 %, to spring barley – up to 91,5 % and up to 80,9 %, respectively; insecticidal and fungicidal preparation used in winter cereals – up to 93,1 % and in spring cereals – up to 91,4 %. The results of production experiments on winter wheat and triticale demonstrated a high efficiency of King Combi, SC in reducing the damage caused by larvae of ground beetle (by 85,9–90,2 %) and cutworm (by 80,9–84,1 %) and the number of phytophages – by 73,3 % and 90,0 % respectively. When vegetating plants are treated with two-component insecticides containing acetamiprid, the damage caused by corn flies to spring cereals stems decreased up to 93,3 %, the number of fleas – up to 93,8 %. The biological effect in reducing the number of cereal leaf beetle larvae in winter crops with the use of the studied toxicants was 80,3–100 %, in spring crops – 81,0–100 %, the number of plant lice amounted to 98,8 % in spring barley and up to 99, 4 % – in spring wheat. |
