VARIETAL NAME: 'Seyriou'


Taxonomical and basic information
Varietal name:
'Seyriou'
Identification/ Accession n.:
IT23_00485
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:
Greyish brown

Shoots:
Colour of one-year old shoot:
Yellowish brown
Lenticel density:
Sparse
Lenticel shape:
Round

Buds:
Bud shape:
Medium triangular
Bud colour:
Reddish brown
Bud size:
small


Leaves:
Phyllotaxis:
Leaf shape:
Simple
Average leaf size: length (cm):
12.4
Average leaf size: width (cm)
8.7
Leaf size ratio:
Medium (1.3-1.5)
Petiole size (cm):
3.3
Petiole range:
Medium (21-40mm)
Shape of leaf base:
Retuse
Shape of leaf apex:
Acute
Leaf blade tip:
Acuminate
Leaf blade margin:
Serrate
Hairiness:
Glabrous
Glossiness:
Matte




Reproductive structures
Sexual dimorphisem:
Dioecious
Inflorescence type:
Female
Inflorescence size:
Female infl. length (mm):
7.2
Female infl. diameter (mm):
5.6
Female infl. stalk length (mm):
8.8
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):
23
Infructescence width (mm):
15
Length of peduncle:
Medium
Infructescence colour:
Yellowish white
Taste:
Infructescence shape:
Ovoid/globose




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):
47.7
Number of lateral shoots:
n.d.
Lenght of internode (cm):
3.8
Leaf No./meter:
31.52
Weight of 100 fresh leaves (g):
