VARIETAL NAME: 'Borde negra'

Taxonomical and basic information

Varietal name:
'Borde negra'
Identification/ Accession n.:
ES24_00869
Ingroup:
Morus alba s.l.
Species:
M. alba
Origin:
Obtained:

Morphological characteristics

Trunk:
Trunk circumference (cm):
134
Trunk colour:
Greyish brown
Shoots:
Colour of one-year old shoot:
Greyish brown
Lenticel density:
High
Lenticel shape:
Elliptical-Oval
Buds:
Bud shape:
Medium triangular
Bud colour:
Medium brown
Bud size:
small
Leaves:
Phyllotaxis:
Predominantly alternate spiral
Leaf shape:
Simple and lobed
Average leaf size: length (cm):
15,3
Average leaf size: width (cm)
13,0
Leaf size ratio:
Low (<1.2, broad leaves)
Petiole size (cm):
4.5
Petiole range:
Long (41-70mm)
Shape of leaf base:
Cordate
Shape of leaf apex:
Acute
Leaf blade tip:
Acuminate
Leaf blade margin:
Crenate
Hairiness:
Evenly pubescent
Glossiness:
Glossy

Reproductive structures

Sexual dimorphisem:
Dioecious
Inflorescence type:
Female
Inflorescence size:
Female infl. length (mm):
21.8
Female infl. diameter (mm):
13.9
Female infl. stalk length (mm):
18.1
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):
5.6
Infructescence length (mm):
31
Infructescence width (mm):
21.9
Length of peduncle:
11.3, medium
Infructescence colour:
Black
Taste:
Balanced
Infructescence shape:
Irregular

Phenological descriptors

Date of bud burst (week):
11
Flowering date (week):
Date of infructescence ripening (week):
Uniformity of infructescence ripening:
Abundant autumn colouring (week):

Growth and yield attributes

Vigour:
Lenght (cm):
140
Number of lateral shoots:
n.d.
Lenght of internode (cm):
5
Leaf No./meter:
Weight of 100 fresh leaves (g):