TY - GEN AU - Gaziea Mohamed Soliman Mohamed AU - Mostafa Yousef Yassin , AU - Nagwa Abdelhameed Abdelbary , TI - Biological control of root - knot nematodes meloidogyne incognita infecting sunflower by genetic improvement of chitinolytic bacteria bacillus thuringiensis under laboratory and greenhouse conditions / PY - 2008/// CY - Cairo : PB - Gaziea Mohamed Soliman Mohamed , KW - Bacteria bacillus thuringiensis KW - Genetic Improvement KW - Nematodes N1 - Thesis (M.Sc.) - Cairo University - Faculty Of Agriculture - Department Of Nematology; Issued also as CD N2 - The nematicidal activity of the wild type and three mutants namely (24 , 12 , 32) of the chitinolytic bacteria Bacillus thuringiensis usingU.V.irradiation was evaluated against eggmasses , eggs and juveniles of the root ER -