VARIETAL NAME: 'GRUZNIISh 4'


Taxonomical and basic information
Varietal name:
'GRUZNIISh 4'
Identification/ Accession n.:
49
Ingroup:
Morus alba s.l.
Species:
M. alba
Origin:
Georgia
Obtained:
1962
Morphological characteristics
Trunk:
Trunk circumference (cm):
61
Trunk colour:
Greyish brown


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


Leaves:
Phyllotaxis:
Alternate spiral
Leaf shape:
Simple
Average leaf size: length (cm):
21.14
Average leaf size: width (cm)
16.82
Leaf size ratio:
Low (<1.2 broad leaves)
Petiole size (cm):
4.7
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:
Male
Inflorescence size:
Female infl. length (mm):
Female infl. diameter (mm):
Female infl. stalk length (mm):
Male infl. length (mm):
27.0
Male infl. diameter (mm):
10.0
Male infl. stalk length (mm):
10.0
Polygamous infl. length (mm):
Polygamous infl. diameter (mm):
Polyg. infl. stalk length (mm):
Infructescence:
Fruit weight (g):
Infructescence length (mm):
Infructescence width (mm):
Length of peduncle:
Infructescence colour:
Taste:
Infructescence shape:

Phenological descriptors
Date of bud burst (week):
11
Flowering date (week):
14
Date of infructescence ripening (week):
Medium to late
Uniformity of infructescence ripening:
Medium
Abundant autumn colouring (week):
Growth and yield attributes
Vigour:
Lenght (cm):
128.8
Number of lateral shoots:
14
Lenght of internode (cm):
6.5
Leaf No./meter:
Weight of 100 fresh leaves (g):
