VARIETAL NAME: 'Sjurh'

Taxonomical and basic information

Varietal name:
'Sjurh'
Identification/ Accession n.:
68
Ingroup:
Morus alba s.l.
Species:
M. alba
Origin:
Armenia
Obtained:
1964

Morphological characteristics

Trunk:
Trunk circumference (cm):
43
Trunk colour:
Greyish brown
Shoots:
Colour of one-year old shoot:
Greyish brown
Lenticel density:
High
Lenticel shape:
Round
Buds:
Bud shape:
Broad triangular
Bud colour:
Greyish brown
Bud size:
medium
Leaves:
Phyllotaxis:
Alternate spiral
Leaf shape:
Simple
Average leaf size: length (cm):
16.18
Average leaf size: width (cm)
11.58
Leaf size ratio:
Medium (1.3-1.5)
Petiole size (cm):
4.18
Petiole range:
Long (41-70 mm)
Shape of leaf base:
Retuse
Shape of leaf apex:
Acute
Leaf blade tip:
Caudate
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):
35.0
Male infl. diameter (mm):
12.0
Male infl. stalk length (mm):
14.0
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):
Uniformity of infructescence ripening:
Abundant autumn colouring (week):

Growth and yield attributes

Vigour:
Lenght (cm):
128.3
Number of lateral shoots:
24
Lenght of internode (cm):
5.7
Leaf No./meter:
Weight of 100 fresh leaves (g):