VARIETAL NAME: 'Morus nigra'


Taxonomical and basic information
Varietal name:
'Morus nigra'
Identification/ Accession n.:
ES24_00874
Ingroup:
Morus nigra
Species:
M. nigra
Origin:
Obtained:
Morphological characteristics
Trunk:
Trunk circumference (cm):
122
Trunk colour:
Greyish brown

Shoots:
Colour of one-year old shoot:
Medium brown
Lenticel density:
Sparse
Lenticel shape:
Elliptical


Buds:
Bud shape:
Ovate
Bud colour:
Dark brown
Bud size:
large

Leaves:
Phyllotaxis:
Predominantly alternate spiral
Leaf shape:
Simple and lobed
Average leaf size: length (cm):
13,6
Average leaf size: width (cm)
15,1
Leaf size ratio:
Low (<1.2, broad leaves)
Petiole size (cm):
2
Petiole range:
Short (11-20mm)
Shape of leaf base:
Cordate
Shape of leaf apex:
Acute
Leaf blade tip:
Acuminate
Leaf blade margin:
Crenate
Hairiness:
Evenly pubescent
Glossiness:
Matte




Reproductive structures
Sexual dimorphisem:
Dioecious
Inflorescence type:
Female
Inflorescence size:
Female infl. length (mm):
12.4
Female infl. diameter (mm):
10.4
Female infl. stalk length (mm):
6.3
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):
0
Infructescence:
Fruit weight (g):
2.7
Infructescence length (mm):
19.7
Infructescence width (mm):
15.6
Length of peduncle:
short
Infructescence colour:
Black
Taste:
Acid
Infructescence shape:
Globose




Phenological descriptors
Date of bud burst (week):
15
Flowering date (week):
Date of infructescence ripening (week):
Uniformity of infructescence ripening:
Abundant autumn colouring (week):
Growth and yield attributes
Vigour:
Lenght (cm):
30
Number of lateral shoots:
n.d.
Lenght of internode (cm):
3
Leaf No./meter:
Weight of 100 fresh leaves (g):
