Toxicity evaluation of Aphidicidal crystalliferous toxins from Bacillus thuringiensis strains: a molecular study

Table 3 Colony morphology, vegetative cell type, microscopic studies and crystal shape of native B. thuringiensis isolates.

Sl. no.	Isolate name	Colony morphology	Vegetative cell type	Gram’s staining	Endospore staining	Crystal staining	Crystal shape
1	BNG_Bta1	Chalky white with granular periphery	Rod shaped	+	+	+	Bipyramidal
2	SHVM_Bta2	Chalky white with granular periphery	Rod shaped	+	+	+	Amorphous
3	MYS_Bta3	Chalky white with granular periphery	Rod shaped	+	+	+	Amorphous and crystals adhere to spore
4	VJP_Bta4	Egg white, medium size, rough, opaque and round	Rod shaped	+	+	+	Spherical
5	DVG_Bta5	White, small, round, bright and runny	Rod shaped	+	+	+	Bipyramidal
6	CMR_Bta6	White, small, round, bright and runny	Rod shaped	+	+	+	Spherical
7	GLB_Bta7	Chalky white with granular periphery	Rod shaped	+	+	+	Spherical
8	BID_Bta8	White, round, runny, larger and less brighter than colony I	Rod shaped	+	+	+	Amorphous and crystals adhere to spore
9	AN_Bta1	White, round, runny, larger and less brighter than colony I	Rod shaped	+	+	+	Small spherical and irregular
10	AN_Bta2	White, small, round, bright and runny	Rod shaped	+	+	+	Amorphous and crystals adhere to spore
11	AS_Bta1	Chalky white with granular periphery	Rod shaped	+	+	+	Small spherical and irregular
12	As_Bta2	White, round, runny, larger and less brighter than colony I	Rod shaped	+	+	+	Spherical
13	SK_Bta1	Egg white, medium size, rough, opaque and round	Rod shaped	+	+	+	Amorphous and crystals adhere to spore
14	Sk_Bta2	White, small, round, bright and runny	Rod shaped	+	+	+	Spherical
15	SK_Bta3	Chalky white with granular periphery	Rod shaped	+	+	+	Small spherical and irregular

ISSN: 1869-2044