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Table 3 Effect of storage at ambient conditions for 2 years on stability of Bacillus thurigiensis formulations

From: Influence of some environmental conditions on stability and activity of Bacillus thuringiensis formulations against the cotton leaf worm, Spodoptera littoralis (Boisd.) (Lepidoptera: Noctuidae)

Time Bacillus thuringiensis
Dipel 2× Protecto
Content a.i IU/mg Loss % Content a.i IU/mg Loss %
Zero time 31,289 0 30,155 0
3 months 30,578 2.27 29,155 3.32
6 months 29,155 6.82 27,379 9.21
24 months (2 years) 26,665 14.79 23,372 22.49