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Egyptian Journal of Biological Pest Control

Table 2 Crystal morphology of Bacillus thuringiensis isolates

From: Diversity of indigenous Bacillus thuringiensis isolates toxic to the diamondback moth, Plutella xylostella (L.) (Plutellidae: Lepidoptera)

Crystal shape

Number of isolates (Total = 59)

% Occurrence

Bipyramidal

29

49.15

Spherical

52

88.13

Cuboidal

25

42.37

Rectangular

2

3.38

Crystal attached to spore

2

3.38

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