All rights reserved application/pdf 3182784 bytes Tabaković-Tošić, Mara Milanović, Slobodan Babović, Katarina info:eu-repo/semantics/article Institut za šumarstvo srp Zbornik radova Instituta za šumarstvo number: 46-47 startpage: 101 endpage: 110 https://unilib.phaidrabg.rs/o:6595 ISSN: 0351-9147 U radu su prikazani rezultati ispitivanja biološke efikasnosti mikrobiološkog preparata Bio-Ekoloskog Centra iz Zrenjanina, komercijalnog naziva D-stop, na bazi Bacillus thuringiensis var. kurstaki u suzbijanju gusenica dudovca II i III stupnja. Navedeni preparat korišćen je u dve koncentracije (0,2% i 0,3%) u zasadima šljive i jabuke na po dva lokaliteta. U primenjenoj koncentraciji od 0,3% pokazao je istovetnu efikasnost sa preparatom Foray 48B. Sa koncentracijom 0,2% D-Stopa rezultati su neznatno slabiji. The biological efficiency of the microbiological preparation produced by Bioekoloski Centar at Zrenjanin, commercial nameD-stop, based on Bacillus thuringiensis var. kurstaki was studied in the control of the fall webworm caterpillars, II and III instars. The preparation was applied in two concentrations (0.2% and 0.3%) in plum and apple plantations at two localities each. The concentration of 0.3% showed the same efficiency as the preparation Foray 48B. The D-Stop· concentration of 0.2% had the slightly inferior results. EFIKASNOST MIKROBIOLOŠKOG PREPARATA D-STOP U BORBI PROTIV DUDOVCA (Hyphantria cunea Drury) bioinsekticid, Hyphantria cunea Drury, biološka efikasnost, šljiva, jabuka bioinsectscide, Hyphantria cunea Drury, biological efficiency, plum, apple 2002