Distribution, host preference, and impact of parasitic mistletoes (Loranthaceae) in young eucalypt plantations in New South Wales, AustraliaThis article is one of a collection of papers based on a presentation from the <i>Stem and Shoot Fungal Pathogens and Parasitic Plants: the Values of Biological Diversity</i> session of the XXII International Union of Forestry Research Organization World Congress meeting held in Brisbane, Queensland, Australia, in 2005.
Bibliographic record
Abstract
Mistletoe is a common sight in mature eucalypt trees in Australia, especially in remnant stands in agricultural and pastoral areas, where they have been associated with debility and death. We surveyed over 450 eucalypt plantations in New South Wales, Australia, for mistletoe, and report for the first time that mistletoe infestation is becoming a problem in young eucalypt plantations. Forty-three plantations were infected, but only 9 of these had levels of mistletoe of 20% or more trees infected; 4 had levels of 38%, 40%, 65%, and 68%. Mistletoe was observed in plantations ranging in age from 3–10 years old. Species of Corymbia ( Corymbia maculata (Hook.) K.D. Hill & L.A.S. Johnson and Corymbia citriodora subsp. variegata (F. Muell.) K.D. Hill & L.A.S. Johnson) were the most susceptible to mistletoe. The mistletoe species Dendrophthoe vitellina (F. Muell.) Tiegh. was commonly observed in plantations in both lower and upper northeast New South Wales, while Amyema bifurcata (Benth.) Tiegh. was only observed in the upper northeast. We observed a significant impact on growth of mistletoe, affecting tree growth as young as four years old. Simulated analysis indicated that mistletoe infection can reduce stand basal area by 10% and stand volume by 13%. However, the impact of mistletoe on tree growth was variable across space and time.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".