VARIETAL NAME: 'Gelso rosso'


Taxonomical and basic information
Varietal name:
'Gelso rosso'
Identification/ Accession n.:
Ingroup:
Morus alba s.l.
Species:
Morus alba
Origin:
From Austrian nursery as commercial variety
Obtained:
Morphological characteristics
Trunk:
Trunk circumference (cm):
Trunk colour:
Light brownish-grey

Shoots:
Colour of one-year old shoot:
Yellowish brown
Lenticel density:
High
Lenticel shape:
Elliptical

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


Leaves:
Phyllotaxis:
Alternate spiral
Leaf shape:
Simple and lobed
Average leaf size: length (cm):
143.9
Average leaf size: width (cm)
102.5
Leaf size ratio:
Medium (1.3-1.5)
Petiole size (cm):
4.5
Petiole range:
Long (41-70 mm)
Shape of leaf base:
Retuse
Shape of leaf apex:
Acute
Leaf blade tip:
Caudate
Leaf blade margin:
Serrate
Hairiness:
Midrib and veins
Glossiness:
Glossy


Reproductive structures
Sexual dimorphisem:
Dioecious
Inflorescence type:
Female
Inflorescence size:
Female infl. length (mm):
16.8
Female infl. diameter (mm):
10.8
Female infl. stalk length (mm):
13.2
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):
3.5
Infructescence length (mm):
29.05
Infructescence width (mm):
15.35
Length of peduncle:
Long
Infructescence colour:
Reddish black
Taste:
Sweet
Infructescence shape:
Ellipsoid


Phenological descriptors
Date of bud burst (week):
11
Flowering date (week):
16
Date of infructescence ripening (week):
Medium
Uniformity of infructescence ripening:
Abundant autumn colouring (week):
Growth and yield attributes
Vigour:
Lenght (cm):
132.25
Number of lateral shoots:
n.d.
Lenght of internode (cm):
4.8
Leaf No./meter:
24.5
Weight of 100 fresh leaves (g):
