VARIETAL NAME: 'Kokusō 20'


Taxonomical and basic information
Varietal name:
'Kokusō 20'
Identification/ Accession n.:
ES24_00953
Ingroup:
Morus indica s.l.
Species:
M. indica (syn. M. latifolia)
Origin:
Japan
Obtained:
/
Morphological characteristics
Trunk:
Trunk circumference (cm):
59
Trunk colour:
Greyish brown

Shoots:
Colour of one-year old shoot:
Greyish-Greenish brown
Lenticel density:
Medium
Lenticel shape:
Round


Buds:
Bud shape:
Medium triangular-Ovate
Bud colour:
Reddish-Medium brown
Bud size:
medium

Leaves:
Phyllotaxis:
Predominantly alternate spiral
Leaf shape:
Simple
Average leaf size: length (cm):
21,6
Average leaf size: width (cm)
16,9
Leaf size ratio:
Low (<1.2, broad leaves)
Petiole size (cm):
6.5
Petiole range:
Long (41-70mm)
Shape of leaf base:
Cordate
Shape of leaf apex:
Acute
Leaf blade tip:
Caudate
Leaf blade margin:
Crenate
Hairiness:
Midrib and veins
Glossiness:
Glossy


Reproductive structures
Sexual dimorphisem:
Dioecious
Inflorescence type:
Female
Inflorescence size:
Female infl. length (mm):
22.2
Female infl. diameter (mm):
8.4
Female infl. stalk length (mm):
12.5
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):
8.2
Infructescence:
Fruit weight (g):
4.6
Infructescence length (mm):
36.4
Infructescence width (mm):
15.7
Length of peduncle:
medium
Infructescence colour:
Reddish Black
Taste:
Sweet
Infructescence shape:
Cylindric




Phenological descriptors
Date of bud burst (week):
12
Flowering date (week):
Date of infructescence ripening (week):
Uniformity of infructescence ripening:
Abundant autumn colouring (week):
Growth and yield attributes
Vigour:
Lenght (cm):
110
Number of lateral shoots:
n.d.
Lenght of internode (cm):
2.5
Leaf No./meter:
Weight of 100 fresh leaves (g):
