EFFECTS OF SELECTED LOCAL STRAINS OF BACILLUS THURINGIENSIS INTHE FOURTH INSTAR LARVAE OF THE MOSQUITO CULEX PIPIENS PIPIENS | ||
| Euphrates Journal of Agriculture Science | ||
| Article 1, Volume 8, Issue 1, March 2016, Pages 126-133 | ||
| Authors | ||
| Emad Ahmed Mahmood; Hussam El-Dien Abdulla; Doaa Hakki Ismal | ||
| Abstract | ||
| Studied the the effect of three concentrations of Al-nbar province isolation BtAN in concentrations (101 x7.35, 102 x7.35, 105 x7.35) and the al-Sulaymaniyah province isolation BtSU in concentrations (101 x5.6, 102 x5.6, 105 x5.6) ml / CFU and Baghdad province isolation BtBA in concentrations (101 x3.56, 102 x3.56, 105 x3.56) ml / CFU were studied and compared with universall standard isolation Bacillus thuringiensis israelensis in concentrations (101 x4.85, 102 x4.85, 105 x4.85) ml / CFU on fourth instar larvae of the mosquito Culex pipiens pipiens and the ratio of mortality was100% for all concentrations of standard Bti isolation while the mortality ratio was 65% in concentration 105 x7.35 ml / CFU in isolation of Anbar BtAN in addition mortality ratio in isolation of Sulaymaniyah was 50% in concentration 105 x5.6 ml / CFU while isolation BtBA did not give any rate of mortality. | ||
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