Assessing of the biological effectiveness of the biological preparation Aktofit approved for use in the FSC-certified forestries

摘要

Use of all registered in the “State Register ...” insecticides except Aktara, W DG was banned in the FSC-certified forest enterprises of the Republic of Belarus since September 2015. Registration trials of a biological product Aktofit 0.2%, CE for protection of harvested timber from spruce stems pests, as well as against Aradus cinnamomeus un the pine stands were conducted in field conditions. In applying the drug Aktofit 0.2%, CE mortality of parental generation of ba rk beetles after treatment at a concentration of 0.4 and 0.5% on third day was 80.9 and 86.6%, and on the seventh day – 82.2 and 89.9%, respectively. In tests on pine stands insecticide Aktofit 0.2%, CE showed a fairly high efficiency against A. cinnamomeus Panz. The use of this preparation to the flow rate of 0.5 and 0.6 l/ha provided the biological effectiveness on the seventh day of 68.9 and 73.4% respectively, which is comparable with the level of the model chemical insecticide Tanrek, WDC (0.5 l/ha) recommended for use in forest stands. Application of biological products is not contrary to FSC policy that makes it possible to use Aktofit in the forestry.