VARIETAL NAME: 'GRUZNIISh 7'


Taxonomical and basic information
Varietal name:
'GRUZNIISh 7'
Identification/ Accession n.:
52
Ingroup:
Morus alba s.l.
Species:
M. alba
Origin:
Georgia
Obtained:
1962
Morphological characteristics
Trunk:
Trunk circumference (cm):
55
Trunk colour:
Greyish brown


Shoots:
Colour of one-year old shoot:
Greyish brown
Lenticel density:
Medium
Lenticel shape:
Round
Buds:
Bud shape:
Broad triangular
Bud colour:
Greyish brown
Bud size:
medium


Leaves:
Phyllotaxis:
Opposite decussate
Leaf shape:
Simple
Average leaf size: length (cm):
23
Average leaf size: width (cm)
18.1
Leaf size ratio:
Low (<1.2 broad leaves)
Petiole size (cm):
4.28
Petiole range:
Long (41-70 mm)
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:
Female
Inflorescence size:
Female infl. length (mm):
6.0
Female infl. diameter (mm):
5.0
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):
1.942
Infructescence length (mm):
23.6
Infructescence width (mm):
15.4
Length of peduncle:
Medium
Infructescence colour:
Reddish black
Taste:
Sweet
Infructescence shape:
Cylindrical


Phenological descriptors
Date of bud burst (week):
13
Flowering date (week):
14
Date of infructescence ripening (week):
Medium to late
Uniformity of infructescence ripening:
Medium to late
Abundant autumn colouring (week):
Growth and yield attributes
Vigour:
Lenght (cm):
125.9
Number of lateral shoots:
22
Lenght of internode (cm):
5.6
Leaf No./meter:
Weight of 100 fresh leaves (g):
