VARIETAL NAME: 'Dai Kokusō' (syn. 'Nihou Kokusō')
Taxonomical and basic information
Varietal name:
'Dai Kokusō' (syn. 'Nihou Kokusō')
Identification/ Accession n.:
IT23_00481
Ingroup:
Morus indica s.l.
Species:
M. indica (syn. M. latifolia)
Origin:
Japan
Obtained:
former Sericulture Station of Ascoli Piceno (IT)
Morphological characteristics
Trunk:
Trunk circumference (cm):
Trunk colour:
Light brownish-grey
Shoots:
Colour of one-year old shoot:
Greyish brown
Lenticel density:
Sparse
Lenticel shape:
Elliptical
Buds:
Bud shape:
Ovate
Bud colour:
Reddish brown
Bud size:
medium
Leaves:
Phyllotaxis:
Leaf shape:
Simple and lobed
Average leaf size: length (cm):
19.6
Average leaf size: width (cm)
14.8
Leaf size ratio:
Medium (1.3-1.5)
Petiole size (cm):
2.2
Petiole range:
Medium (21-40mm)
Shape of leaf base:
Retuse
Shape of leaf apex:
Acute
Leaf blade tip:
Caudate
Leaf blade margin:
Serrate
Hairiness:
Glabrous
Glossiness:
Matte
Reproductive structures
Sexual dimorphisem:
Dioecious
Inflorescence type:
Male
Inflorescence size:
Female infl. length (mm):
Female infl. diameter (mm):
Female infl. stalk length (mm):
Male infl. length (mm):
30.7
Male infl. diameter (mm):
7.6
Male infl. stalk length (mm):
13.2
Polygamous infl. length (mm):
Polygamous infl. diameter (mm):
Polyg. infl. stalk length (mm):
Infructescence:
Fruit weight (g):
Infructescence length (mm):
25
Infructescence width (mm):
13
Length of peduncle:
Long
Infructescence colour:
Black
Taste:
Infructescence shape:
Cylindrical
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):
73.1
Number of lateral shoots:
n.d.
Lenght of internode (cm):
6.1
Leaf No./meter:
20.11
Weight of 100 fresh leaves (g):