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Table 2 Effect of storage under different temperatures 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)

Temperature/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

72 ± 2 °C—3 days

27,089

13.42

25,955

13.93

54 ± 2 °C—14 days

30,222

3.41

27,734

8.03

35 ± 2 °C—12 weeks

29,156

5.82

26,379

12.52