Báo cáo nghiên cứu nông nghiệp " Provenance Variation the example of Eucalyptus camaldulensis " pdf

Provenance Variationthe example of Eucalyptus camaldulensis... camaldulensis- important characteristics zDrought tolerant zTolerant of seasonal waterlogging zFrost tolerant/frost sensiti

Provenance Variation

the example of Eucalyptus camaldulensis

E camaldulensis

- important characteristics

zDrought tolerant

zTolerant of seasonal waterlogging

zFrost tolerant/frost sensitive

zModerately salt tolerance

zEasily propagated

E camaldulensis

- important characteristics

z Versatile timber, suitable for

- pulp and paper

- fibreboards

- sawn timber

- veneer and plywood

- charcoal

z Substantial genetic variation

z Flowers from age 3 years

1 Provenance

z Place where seed was collected

z Refers to natural forests, not

plantations

z Provenance boundaries not always well defined

z Provenances may have different

genetic adaptation

40º 150º

140º 130º

120º

Katherine Gibb River

de Grey River

Wiluna

Silverton

Lake Albacutya Lake Coorong

Petford/Wrothham Park

20º

110º

Eucalyptus camaldulensis

E camaldulensis (Simpson Gap)

E camaldulensis (Petford)

Seedling variation

E camaldulensis trials ( )

in south-eastern Australia

Wellington Wagga Wagga

Dubbo

Deniliquin - 5 sites Mildura

Cobdogla (Barmera)

Holbrook Shepparton (Underra)

Kowen Wangaratta

Benalla (Sonogan's)

Dorrigo Coffs Harbour

Canberra

Sydney

E camaldulensis trial at Dubbo

E camaldulensis

- provenance variation (age 3 years)

0 1 2 3 4 5 6 7

L Albacutya

L Coorong Avon R L Frome L Indoon

L Albacutya Rainbow L Hindmarsh L Buloke

L Coorong E Albacutya Lowan Valley L Agnes

Avon R Wimmera R Murray Br Petford

L Frome N Port Augusta Silverton Benstead Ck NT

L Indoon

Height - m

¾ provenances from tropical regions (with

summer rainfall) perform poorly in temperate areas with Mediterranean type climates

¾ provenances from temperate regions

perform poorly in tropical regions

E camaldulensis

E camaldulensis

- variation between single-tree colletions

within provenances (age 3 years)

Silverton

Wimmera R

Avon R

Lowan Valley

Rainbow

L Hindmarsh

L Albacutya

0

1

2

3

4

5

6

7

8

z CALIFORNIA

23

40

0 5 10 15 20 25 30 35 40

1st Qtr 2nd Qtr

Unimproved seedling plantations Clonal plantations