VARIETAL NAME: 'Vratsa 1'

Taxonomical and basic information

Varietal name:
'Vratsa 1'
Identification/ Accession n.:
7
Ingroup:
Morus indica s.l.
Species:
M. indica (syn. M. kagayamae)
Origin:
Bulgaria
Obtained:
1976

Morphological characteristics

Trunk:
Trunk circumference (cm):
74
Trunk colour:
Light brownish-grey
Shoots:
Colour of one-year old shoot:
Greyish brown
Lenticel density:
Sparse
Lenticel shape:
Round
Buds:
Bud shape:
Medium triangular
Bud colour:
Medium brown
Bud size:
large
Leaves:
Phyllotaxis:
Opposite decussate
Leaf shape:
Simple
Average leaf size: length (cm):
22.76
Average leaf size: width (cm)
15.9
Leaf size ratio:
Medium (1.3-1.5)
Petiole size (cm):
3.22
Petiole range:
Medium (21-40mm)
Shape of leaf base:
Cordate
Shape of leaf apex:
Acute
Leaf blade tip:
Caudate
Leaf blade margin:
Serrate
Hairiness:
Glabrous
Glossiness:
Glossy

Reproductive structures

Sexual dimorphisem:
Monoecious
Inflorescence type:
Female
Inflorescence size:
Female infl. length (mm):
9.0
Female infl. diameter (mm):
8.0
Female infl. stalk length (mm):
7.0
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):
1.322
Infructescence length (mm):
22
Infructescence width (mm):
12
Length of peduncle:
Short
Infructescence colour:
Purple brown
Taste:
Sweet
Infructescence shape:
Cylindrical

Phenological descriptors

Date of bud burst (week):
13
Flowering date (week):
15
Date of infructescence ripening (week):
Medium
Uniformity of infructescence ripening:
Medium
Abundant autumn colouring (week):

Growth and yield attributes

Vigour:
Lenght (cm):
108.4
Number of lateral shoots:
17
Lenght of internode (cm):
6.6
Leaf No./meter:
Weight of 100 fresh leaves (g):