VARIETAL NAME: 'S 3'

Taxonomical and basic information

Varietal name:
'S 3'
Identification/ Accession n.:
21
Ingroup:
Morus alba s.l.
Species:
Morus alba
Origin:
Bulgaria
Obtained:
2002

Morphological characteristics

Trunk:
Trunk circumference (cm):
46
Trunk colour:
Greyish brown
Shoots:
Colour of one-year old shoot:
Medium brown
Lenticel density:
High
Lenticel shape:
Oval
Buds:
Bud shape:
Narrow triangular
Bud colour:
Medium brown
Bud size:
small
Leaves:
Phyllotaxis:
Opposite decussate
Leaf shape:
Simple
Average leaf size: length (cm):
22.8
Average leaf size: width (cm)
17.16
Leaf size ratio:
Medium (1.3-1.5)
Petiole size (cm):
4.82
Petiole range:
Long (41-70 mm)
Shape of leaf base:
Retuse
Shape of leaf apex:
Acute
Leaf blade tip:
Caudate
Leaf blade margin:
Biserrate
Hairiness:
Glabrous
Glossiness:
Matte

Reproductive structures

Sexual dimorphisem:
Monoecious
Inflorescence type:
Female
Inflorescence size:
Female infl. length (mm):
8.0
Female infl. diameter (mm):
6.0
Female infl. stalk length (mm):
6.0
Male infl. length (mm):
Male infl. diameter (mm):
Male infl. stalk length (mm):
Polygamous infl. length (mm):
Polygamous infl. diameter (mm):
Polyg. infl. stalk length (mm):
Infructescence:
Fruit weight (g):
1.75
Infructescence length (mm):
22
Infructescence width (mm):
12.1
Length of peduncle:
Short
Infructescence colour:
Yellowish white
Taste:
Sweet
Infructescence shape:
Irregular

Phenological descriptors

Date of bud burst (week):
13
Flowering date (week):
14
Date of infructescence ripening (week):
Medium to late
Uniformity of infructescence ripening:
Early to medium
Abundant autumn colouring (week):

Growth and yield attributes

Vigour:
Lenght (cm):
167.2
Number of lateral shoots:
16
Lenght of internode (cm):
7.9
Leaf No./meter:
Weight of 100 fresh leaves (g):