Báo cáo nghiên cứu nông nghiệp " Provenance Variation the example of Eucalyptus camaldulensis " pdf
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Provenance Variation
the example of
Eucalyptus camaldulensis
E. camaldulensis
- important characteristics
z Drought tolerant
z Tolerant of seasonal waterlogging
z Frost tolerant/frost sensitive
z Moderately salt tolerance
z Easily 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
30º
40º
150º140º130º120º
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
Height (m)
z CALIFORNIA
23
40
0
5
10
15
20
25
30
35
40
yield (cubic m/ha/yr )
1st Qtr 2nd Qtr
Unimproved
seedling plantations
Clonal plantations
