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

Chia sẻ: Nguyen Nhi | Ngày: | Loại File: PDF | Số trang:14

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Provenance - Place where seed was collected - Refers to natural forests, not plantations - Provenance boundaries not always well defined - Provenances may have different genetic adaptation

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Nội dung Text: Báo cáo nghiên cứu nông nghiệp " Provenance Variation the example of Eucalyptus camaldulensis "

  1. Provenance Variation the example of Eucalyptus camaldulensis
  2. E. camaldulensis - important characteristics Drought tolerant Tolerant of seasonal waterlogging Frost tolerant/frost sensitive Moderately salt tolerance Easily propagated
  3. E. camaldulensis - important characteristics Versatile timber, suitable for - pulp and paper - fibreboards - sawn timber - veneer and plywood - charcoal Substantial genetic variation Flowers from age 3 years
  4. 1. Provenance Place where seed was collected Refers to natural forests, not plantations Provenance boundaries not always well defined Provenances may have different genetic adaptation
  5. Eucalyptus camaldulensis Katherine Petford/Wrothham Park Gibb River de Grey River 20º Wiluna 30º Silverton Lake Albacutya Lake Coorong 40º 110º 120º 130º 140º 150º
  6. E. camaldulensis (Simpson Gap)
  7. E. camaldulensis (Petford)
  8. Seedling variation
  9. E. camaldulensis trials ( ) in south-eastern Australia Coffs Harbour Dorrigo Dubbo Wellington Mildura Deniliquin - 5 sites Wagga Wagga Sydney Canberra Kowen Cobdogla (Barmera) Holbrook Wangaratta Shepparton (Underra) Benalla (Sonogan's)
  10. E. camaldulensis trial at Dubbo
  11. E. camaldulensis - provenance variation (age 3 years) Height 7 m - 6 5 4 3 2 1 0 L Albacutya Rainbow Avon L Hindmarsh L L uloke B Indoon L L Coorong R L Frome Albacutya 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
  12. E. camaldulensis provenances from tropical regions (with summer rainfall) perform poorly in temperate areas with Mediterranean type climates provenances from temperate regions perform poorly in tropical regions
  13. E. camaldulensis - variation between single-tree colletions within provenances (age 3 years) 8 7 6 Height (m) 5 4 3 2 1 0 Avon R Silverton Rainbow L Albacutya Wimmera R Lowan Valley L Hindmarsh
  14. CALIFORNIA 40 40 35 yield (cubic m/ha/yr ) 30 23 25 20 15 10 5 0 1st Qtr 2nd Qtr Unimproved Clonal plantations seedling plantations
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