scholarly journals Toxicity and Biological Effects of Some Bacterial Isolates on American Bollworm, Helicoverpa armigera (Hubner) and Spiny Bollworm, Earias insulana (Boisd.)

2017 ◽  
Vol 8 (8) ◽  
pp. 379-383
Author(s):  
Eman El-Sayed ◽  
A. El-Sayed ◽  
A. Amer
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