Stems

Narrowest diameter (µm)

(used for tensile strength measurement)

Group-1

E1 + E3 + E4 + E6

Group-2

E2

Narrow

44.19 ± 0.66

49.28 ± 1.46

Medium

45.84 ± 1.15

59.91 ± 1.54

Wide

53.15 ± 1.15

53.58 ± 1.61