VARIETAL NAME: 'Kayriou Rosou'

Taxonomical and basic information

Varietal name:
'Kayriou Rosou'
Identification/ Accession n.:
IT23_00480
Ingroup:
Morus indica s.l.
Species:
M. indica (syn. M. multicaulis var. planifolia)
Origin:
China
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:
Medium
Lenticel shape:
Elliptical
Buds:
Bud shape:
Medium triangular
Bud colour:
Reddish brown
Bud size:
medium
Leaves:
Phyllotaxis:
Leaf shape:
Simple
Average leaf size: length (cm):
15.6
Average leaf size: width (cm)
9.4
Leaf size ratio:
High (>1.6 long)
Petiole size (cm):
3.3
Petiole range:
Medium (21-40mm)
Shape of leaf base:
Truncate
Shape of leaf apex:
Acute
Leaf blade tip:
Caudate
Leaf blade margin:
Biserrate
Hairiness:
Glabrous
Glossiness:
Matte

Reproductive structures

Sexual dimorphisem:
Monoecious
Inflorescence type:
Female&male&polygamous
Inflorescence size:
Female infl. length (mm):
n.d.
Female infl. diameter (mm):
n.d.
Female infl. stalk length (mm):
7,0
Male infl. length (mm):
30.6
Male infl. diameter (mm):
6.3
Male infl. stalk length (mm):
11.4
Polygamous infl. length (mm):
Polygamous infl. diameter (mm):
Polyg. infl. stalk length (mm):
Infructescence:
Fruit weight (g):
Infructescence length (mm):
23
Infructescence width (mm):
12
Length of peduncle:
Short
Infructescence colour:
Black
Taste:
Infructescence shape:
Ellipsoid

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):
88.4
Number of lateral shoots:
n.d.
Lenght of internode (cm):
5.0
Leaf No./meter:
Weight of 100 fresh leaves (g):