VARIETAL NAME: 'Nervosa' (narrow leaf)

Taxonomical and basic information

Varietal name:
'Nervosa' (narrow leaf)
Identification/ Accession n.:
IT23_00471
Ingroup:
Morus sp.
Species:
Morus sp.
Origin:
Italy
Obtained:
former Sericulture Station of Ascoli Piceno (IT), 1980

Morphological characteristics

Trunk:
Trunk circumference (cm):
Trunk colour:
Greyish brown
Shoots:
Colour of one-year old shoot:
Dark brown
Lenticel density:
Medium
Lenticel shape:
Round
Buds:
Bud shape:
Ovate
Bud colour:
Medium brown
Bud size:
large
Leaves:
Phyllotaxis:
Leaf shape:
Simple
Average leaf size: length (cm):
8.2
Average leaf size: width (cm)
3.5
Leaf size ratio:
High (>1.6 long)
Petiole size (cm):
3
Petiole range:
Medium (21-40mm)
Shape of leaf base:
Cuneate
Shape of leaf apex:
Acute
Leaf blade tip:
Acuminate
Leaf blade margin:
Serrate
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):
Number of lateral shoots:
n.d.
Lenght of internode (cm):
Leaf No./meter:
Weight of 100 fresh leaves (g):