Research Paper | Entomology | Egypt | Volume 4 Issue 11, November 2015
Comparing the Effect of Seven Isolated Bacillus Thuringiensis against Tuta absoluta Infesting in Laboratory and Field Condition
Abstract: . Under laboratory, the effect of the tested bacteria conditions Bacillus thuringiensis strains on the target insect pests T. absoluta showed that, the LC50 obtained, 139, 120, 60, 55, 154 and 150 Ug/ml after treated with B. T IP Dendrolimus, B. t thuringiensis, Bt Sotto 4A/4B, BT IP thurizide, Bt Toloworthi Bt, HD 210 and Bt HD 128, respectively. Under semifield conditions, the LC50 of T. absoluta 159, 140, 70 65, 73 184 and 170 Ug/ml after treated with corresponding pathgens, respectively. under field conditions, the mean number of T. absoluta after treated with, Bt HD 210 and Bt HD 210 treatments which recorded, 44.510.6 and 45 2.813.5 individuals as compared to 99.815.5 individual in the control after 125 days of the first applications. Also, the lowest number of infestations of T. absoluta recorded 10.410.9 individuals after Bt Toloworthi treatments.
Keywords: Key wards Tuta absoluta, Bacteria Bacillus thuringiensis, BT IP Dendrolimus, Bt thuringiensis, Bt Sotto 4A/4B, BT IP thurizide, Bt Toloworthi Bt, HD 210 and Bt HD 128
Edition: Volume 4 Issue 11, November 2015,
Pages: 458 - 462
How to Cite this Article?
Sabbour Magda, Maysa E. Moharam, "Comparing the Effect of Seven Isolated Bacillus Thuringiensis against Tuta absoluta Infesting in Laboratory and Field Condition", International Journal of Science and Research (IJSR), Volume 4 Issue 11, November 2015, pp. 458-462, https://www.ijsr.net/get_abstract.php?paper_id=1111502
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