VARIETAL NAME: 'Kokka'
Taxonomical and basic information
Varietal name:
'Kokka'
Identification/ Accession n.:
IT23_00479
Ingroup:
Morus indica s.l.
Species:
M. indica (syn. M. latifolia)
Origin:
Japan
Obtained:
former Sericulture Station of Ascoli Piceno (IT), 1985
Morphological characteristics
Trunk:
Trunk circumference (cm):
Trunk colour:
Reddish brown
Shoots:
Colour of one-year old shoot:
Medium brown
Lenticel density:
High
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):
14.9
Average leaf size: width (cm)
10.8
Leaf size ratio:
Medium (1.3-1.5)
Petiole size (cm):
NA
Petiole range:
Medium (21-40mm)
Shape of leaf base:
Truncate
Shape of leaf apex:
Acute
Leaf blade tip:
Acuminate
Leaf blade margin:
Serrulate
Hairiness:
Glabrous
Glossiness:
Glossy
Reproductive structures
Sexual dimorphisem:
Dioecious
Inflorescence type:
Female
Inflorescence size:
Female infl. length (mm):
8.2
Female infl. diameter (mm):
6.5
Female infl. stalk length (mm):
9.8
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):
21
Infructescence width (mm):
13
Length of peduncle:
Medium
Infructescence colour:
Purple brown
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):
79.3
Number of lateral shoots:
n.d.
Lenght of internode (cm):
5.4
Leaf No./meter:
19.33
Weight of 100 fresh leaves (g):