This group consists of leaves usually grown at or above the center portion of the stalk. These leaves have a pointed tip, tend to fold, are heavier in body than those of the X or C groups, and show no ground injury. Choice- and fine-quality leaves of this group have a distinctive, smooth leaf surface. ------------------------------------------------------------------------
Grade names and
U.S. grades specifications------------------------------------------------------------------------B1F....................................... Choice Medium-brown Heavy
Leaf.
Medium body, ripe, firm,
oily, semi-elastic, strong,
bright finish, deep color
intensity, broad, 95
percent uniform, and 5
percent injury tolerance.B2F....................................... Fine Medium-brown Heavy
Leaf.
Medium body, ripe, firm,
oily, semi-elastic, strong,
clear finish, deep color
intensity, spready, 90
percent uniform, and 10
percent injury tolerance.B3F....................................... Good Medium-brown Heavy
Leaf.
Medium body, mature, firm,
oily, semielastic, normal
strength, clear finish,
moderate color intensity,
normal width, 80 percent
uniform, and 20 percent
injury tolerance.B4F....................................... Fair Medium-brown Heavy
Leaf.
Medium body, mature, close,
lean in oil, inelastic,
weak, dull-finish, pale
color intensity, narrow, 70
percent uniform, and 30
percent injury tolerance.B5F....................................... Low Medium-brown Heavy Leaf.
Medium body, mature, close,
lean in oil, inelastic,
weak, dull finish, pale
color intensity, narrow, 60
percent uniform, and 40
percent injury tolerance.B1D....................................... Choice Dark-brown Heavy
Leaf.
Heavy, ripe, firm, oily,
semielastic, strong, bright
finish, deep color
intensity, spready, 95
percent uniform, and 5
percent injury tolerance.B2D....................................... Fine Dark-brown Heavy Leaf.
Heavy, ripe, firm, oily,
semielastic, strong, clear
finish, deep color
intensity, spready, 90
percent uniform, and 10
percent injury tolerance.B3D....................................... Good Dark-brown Heavy Leaf.
Heavy, mature, firm, oily,
semi-elastic, normal
strength, clear finish,
moderate color intensity,
normal width, 80 percent
uniform, and 20 percent
injury tolerance.B4D....................................... Fair Dark-brown Heavy Leaf.
Heavy, mature, close, lean
in oil, inelastic, weak,
dull finish, pale color
intensity, narrow, 70
percent uniform, and 30
percent injury tolerance.B5D....................................... Low Dark-brown Heavy Leaf.
Heavy, mature, close, lean
in oil, inelastic, weak,
dull finish, pale color
intensity, narrow, 60
percent uniform, and 40
percent injury tolerance.B3M....................................... Good Mixed Color Heavy Leaf.
Medium to heavy body,
mature, firm, oily,
semielastic, normal
strength and width, 80
percent uniform, and 20
percent injury tolerance.B4M....................................... Fair Mixed Color Heavy Leaf.
Medium to heavy body,
mature, close, lean in oil,
inelastic, weak, narrow, 70
percent uniform, and 30
percent injury tolerance.B5M....................................... Low Mixed Color Heavy Leaf.
Medium to heavy body,
mature, close, lean in oil,
inelastic, weak, narrow, 60
percent uniform, and 40
percent injury tolerance.B3G....................................... Good Green Heavy Leaf.
Medium to heavy body,
mature, firm, oily,
semielastic, normal
strength, clear finish,
normal width, 80 percent
uniform, and 20 percent
injury tolerance.B4G....................................... Fair Green Heavy Leaf.
Medium to heavy body,
immature, close, lean in
oil, inelastic, weak, dull
finish, narrow, 70 percent
uniform, and 30 percent
injury tolerance.B5G....................................... Low Green Heavy Leaf.
Medium to heavy body,
immature, close, lean in
oil, inelastic, weak, dull
finish, narrow, 60 percent
uniform, and 40 percent
injury tolerance.------------------------------------------------------------------------