VARIETAL NAME: 'SI-SP/PT 304'
Taxonomical and basic information
Varietal name:
'SI-SP/PT 304'
Identification/ Accession n.:
Sl23_00056
Ingroup:
M. alba s.l.
Species:
M. alba
Origin:
Dravska ravan, 46,375654_°N; 15,766740_°E
Obtained:
In situ field inventory
Morphological characteristics
Trunk:
Trunk circumference (cm):
267 cm (in situ)
Trunk colour:
Light brownish-grey
Shoots:
Colour of one-year old shoot:
Greenish brown
Lenticel density:
Medium
Lenticel shape:
Elliptical
Buds:
Bud shape:
Ovate
Bud colour:
Medium brown
Bud size:
Medium
Leaves:
Phyllotaxis:
Alternate distichous
Leaf shape:
Simple and Lobed
Average leaf size: length (cm):
9,58
Average leaf size: width (cm)
7,38
Leaf size ratio:
Medium (1.3-1.5)
Petiole size (cm):
3.7
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:
Glossy
Reproductive structures
Sexual dimorphisem:
Monoecious
Inflorescence type:
Male & Polygamous
Inflorescence size:
Female infl. length (mm):
Female infl. diameter (mm):
Female infl. stalk length (mm):
Male infl. length (mm):
34.8
Male infl. diameter (mm):
9.1
Male infl. stalk length (mm):
16.9
Polygamous infl. length (mm):
28.0
Polygamous infl. diameter (mm):
8.4
Polyg. infl. stalk length (mm):
12.0
Infructescence:
Fruit weight (g):
0.5
Infructescence length (mm):
17.5
Infructescence width (mm):
9.5
Length of peduncle:
Long
Infructescence colour:
Reddish black
Taste:
Balanced
Infructescence shape:
Ellipsoid
Phenological descriptors
Date of bud burst (week):
12
Flowering date (week):
17
Date of infructescence ripening (week):
Medium
Uniformity of infructescence ripening:
Abundant autumn colouring (week):
Growth and yield attributes
Vigour:
Lenght (cm):
160.0
Number of lateral shoots:
n.d.
Lenght of internode (cm):
4.5
Leaf No./meter:
19.75
Weight of 100 fresh leaves (g):
12.5