In article recommendations about fight against dangerous wreckers of grain crops are made. Terms of processing of crops are also specified and names of chemical preparations are listed.
WHEATEN FLY: HOW to PROTECT FROM IT FIELDS AT CROPS of the WINTER
Chemical processings of crops against an imago of a wheaten fly are recommended to be carried out to time of deployment of the second leaf for 50-70 % at number of the wrecker of 6-8 copies on 100 waves a net. Delay with terms of processings considerably reduces their efficiency. Against cereal flies on wheat application of a number of fosfororganichesky insecticides (Is authorized to Bi-58 of N, danady, a parachute) and piretroidny (decis, mavrik, sempaj) preparations. System preparations (for example, Bi-58 and its analogs) are also system therefore they are effective not only against an imago, but also against the larvae eating in stalks.
(On magazine materials Protection and quarantine of plants).