VARIETAL NAME: 'Nervoza'

Taxonomical and basic information

Varietal name:
'Nervoza'
Identification/ Accession n.:
25
Ingroup:
Morus sp.
Species:
Morus sp.
Origin:
Uzbekistan
Obtained:
1964

Morphological characteristics

Trunk:
Trunk circumference (cm):
62
Trunk colour:
Greyish brown
Shoots:
Colour of one-year old shoot:
Greyish brown
Lenticel density:
Sparse
Lenticel shape:
Elliptical
Buds:
Bud shape:
Medium triangular
Bud colour:
Yellowish brown
Bud size:
medium
Leaves:
Phyllotaxis:
Opposite decussate
Leaf shape:
Simple
Average leaf size: length (cm):
23.26
Average leaf size: width (cm)
16.98
Leaf size ratio:
Medium (1.3-1.5)
Petiole size (cm):
4
Petiole range:
Medium (21-40mm)
Shape of leaf base:
Retuse
Shape of leaf apex:
Acute
Leaf blade tip:
Caudate
Leaf blade margin:
Biserrate
Hairiness:
Glabrous
Glossiness:
Matte

Reproductive structures

Sexual dimorphisem:
Monoecious
Inflorescence type:
Female
Inflorescence size:
Female infl. length (mm):
8.0
Female infl. diameter (mm):
7.0
Female infl. stalk length (mm):
14.0
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):
0.661
Infructescence length (mm):
20.1
Infructescence width (mm):
9.5
Length of peduncle:
Long
Infructescence colour:
Reddish black
Taste:
Acidic
Infructescence shape:
Cylindrical

Phenological descriptors

Date of bud burst (week):
13
Flowering date (week):
14
Date of infructescence ripening (week):
Medium
Uniformity of infructescence ripening:
Early to medium
Abundant autumn colouring (week):

Growth and yield attributes

Vigour:
Lenght (cm):
123.1
Number of lateral shoots:
18
Lenght of internode (cm):
9
Leaf No./meter:
Weight of 100 fresh leaves (g):