VARIETAL NAME: 'Spagna frutto nero' (Spain black fruit)

Taxonomical and basic information

Varietal name:
'Spagna frutto nero' (Spain black fruit)
Identification/ Accession n.:
IT23_00507
Ingroup:
Morus alba s.l.
Species:
M. alba
Origin:
Italy
Obtained:
former Sericulture Station of Ascoli Piceno (IT), 1985

Morphological characteristics

Trunk:
Trunk circumference (cm):
Trunk colour:
Light brownish-grey
Shoots:
Colour of one-year old shoot:
Greyish brown
Lenticel density:
High
Lenticel shape:
Oval
Buds:
Bud shape:
Ovate
Bud colour:
Medium brown
Bud size:
small
Leaves:
Phyllotaxis:
Leaf shape:
Simple
Average leaf size: length (cm):
13.5
Average leaf size: width (cm)
11.3
Leaf size ratio:
Low (<1.2 broad leaves)
Petiole size (cm):
6.2
Petiole range:
Long (41-70 mm)
Shape of leaf base:
Cordate
Shape of leaf apex:
Acute
Leaf blade tip:
Absent to acuminate
Leaf blade margin:
Crenate
Hairiness:
Glabrous
Glossiness:
Matte

Reproductive structures

Sexual dimorphisem:
Inflorescence type:
Inflorescence size:
Female infl. length (mm):
Female infl. diameter (mm):
Female infl. stalk length (mm):
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):
Infructescence length (mm):
Infructescence width (mm):
Length of peduncle:
Infructescence colour:
Taste:
Infructescence shape:

Phenological descriptors

Date of bud burst (week):
Flowering date (week):
Date of infructescence ripening (week):
Uniformity of infructescence ripening:
Abundant autumn colouring (week):

Growth and yield attributes

Vigour:
Lenght (cm):
112.7
Number of lateral shoots:
0.3
Lenght of internode (cm):
4.7
Leaf No./meter:
24.6
Weight of 100 fresh leaves (g):