VARIETAL NAME: 'GRUZNIISh 6'

Taxonomical and basic information

Varietal name:
'GRUZNIISh 6'
Identification/ Accession n.:
51
Ingroup:
Morus alba s.l.
Species:
M. alba
Origin:
Georgia
Obtained:
1962

Morphological characteristics

Trunk:
Trunk circumference (cm):
43
Trunk colour:
Greyish brown
Shoots:
Colour of one-year old shoot:
Greyish brown
Lenticel density:
Sparse
Lenticel shape:
Elliptical
Buds:
Bud shape:
Broad triangular
Bud colour:
Medium brown
Bud size:
medium
Leaves:
Phyllotaxis:
Opposite decussate
Leaf shape:
Simple
Average leaf size: length (cm):
22.14
Average leaf size: width (cm)
15.9
Leaf size ratio:
Medium (1.3-1.5)
Petiole size (cm):
3.5
Petiole range:
Medium (21-40mm)
Shape of leaf base:
Cordate
Shape of leaf apex:
Acute
Leaf blade tip:
Acuminate
Leaf blade margin:
Serrate
Hairiness:
Glabrous
Glossiness:
Glossy

Reproductive structures

Sexual dimorphisem:
Monoecious
Inflorescence type:
Male, few female and polygamous inflorescences observed
Inflorescence size:
Female infl. length (mm):
Female infl. diameter (mm):
Female infl. stalk length (mm):
3,0
Male infl. length (mm):
21.0
Male infl. diameter (mm):
9.0
Male infl. stalk length (mm):
12.0
Polygamous infl. length (mm):
Polygamous infl. diameter (mm):
Polyg. infl. stalk length (mm):
Infructescence:
Fruit weight (g):
0.766
Infructescence length (mm):
18.6
Infructescence width (mm):
10.8
Length of peduncle:
Short
Infructescence colour:
Reddish black
Taste:
Sweet
Infructescence shape:
Irregular

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):
120
Number of lateral shoots:
14
Lenght of internode (cm):
9.7
Leaf No./meter:
Weight of 100 fresh leaves (g):