Tree Seed Centre Test Types

Test types and conditions, by species:


Germ. Code

Species Code

Soak (hrs)

Surface dry

Strat. days

Temp. (°C)

Strat. redry

Strat. days

Temp. (°C)

Test days

Germinator temp. (°C)*


G10

Fd, S, Lw

24

y

21

2

n

0

­

21

30­20

G20

Pl, Py

24

y

28

2

n

0

­

21

30­20

G31

Hw, Hm

24

y

28

2

n

0

­

28

20­20

G32

Bg

48

y

28

2

n

0

­

28

30­20

G34

Ba, Bl, Bp 

48

n

28

2

n

0

 

28

2515

G44

Ba, Bl, Bp

48

n

56

2

n

0

­

28

25­15

G52

Yc

48

n

28

20

n

56

2

28

30­20

G55

Pw

336

n

98

2

n

0

­

28

30­20

G57

Yc

72

n

28

20

n

77

2

28

3020

G64

Ba, Bl, Bp

48

n

28

2

y

56

2

28

25­15

D1

At, Cw, Dr, Ep

0

­

­

­

n

­

­

21

30­20

W1

Pl, S

24

y

0

­

n

­

­

21

30­20

SA

all

Species average germination

SE

all

Seedlot estimated germination

PUR

all

Percentage pure seed by weight

MC

all

Moisture content expressed as a percentage

SPG

all

Number of seeds per gram weight

XRY

all

X-ray test

CAL

all

Caloscypha fungal assay test

FUS

all

Fusarium sp. fungal assay test

SIR

all

Sirococcus fungal assay test


*  8 hours at higher temperature, 16 hours at lower temperature.