Abstract
A study was conducted of host specificity of six mistletoe species in 17 sites in southern South Australia. The mistletoe Lysiana exocarpi occurred on eight of the 15 potential host species encountered in the survey but disproportionally parasitised Heterodendrum oleifolium and Myoporum platycarpum as its major hosts. More than 90% of L. exocarpi plants infested these two hosts. The other five mistletoe species, Amyema linophyllum, A. miquelii, A. miraculosum, A. preissii, and A. quandang, were highly host specific, occurring on only one host species or on species of closely related taxa. Although L. exocarpi was found throughout the study area, its occurrence on M. platycarpum showed significant geographic variation. Myoporum platycarpum was heavily infested by L. exocarpi at sites with an annual rainfall of > 250 mm but not at sites with < 250 mm annual rainfall. At sites with less rainfall, M. platycarpum was infested by another mistletoe species, A. miraculosum. Across all sites, the proportion of M. platycarpum trees infested by L. exocarpi was significantly correlated with annual rainfall. No such trend was detected for H. oleifolium infested by L. exocarpi.
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Claims 9
Claim · model-written summary
Lysiana exocarpi occurred on eight of the 15 potential host species surveyed.
- Taxon
- potential host speciese0
- Interactor
- Lysiana exocarpi
Lysiana exocarpie0parasite - Outcome
- occurred one0
- Value
- eight of the 15e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The mistletoe Lysiana exocarpi occurred on eight of the 15 potential host species encountered in the survey”
Claim · model-written summary
More than 90% of Lysiana exocarpi plants infested Heterodendrum oleifolium and Myoporum platycarpum, its major hosts.
- Taxon
- Heterodendrum oleifolium and Myoporum platycarpum
Alectryon oleifolius
Myoporum platycarpume1 - Interactor
- L. exocarpiLysiana exocarpie2parasite
- Outcome
- infestede2
- Value
- More than 90%e2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“disproportionally parasitised Heterodendrum oleifolium and Myoporum platycarpum as its major hosts”
e2“More than 90% of L. exocarpi plants infested these two hosts”
Claim · model-written summary
Amyema linophyllum, A. miquelii and A. miraculosum were highly host specific.
Verbatim
e3“The other five mistletoe species, Amyema linophyllum, A. miquelii, A. miraculosum, A. preissii, and A. quandang, were highly host specific, occurring on only one host species or on species of closely related taxa”
Claim · model-written summary
A. preissii and A. quandang were highly host specific.
- Taxon
- A. preissii, and A. quandang
Amyema quandang.jpg?width=60)
Amyema preissiie3 - Outcome
- highly host specifice3
- Qualifier
- occurring on only one host species or on species of closely related taxae3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e3“The other five mistletoe species, Amyema linophyllum, A. miquelii, A. miraculosum, A. preissii, and A. quandang, were highly host specific, occurring on only one host species or on species of closely related taxa”
Claim · model-written summary
Occurrence of L. exocarpi on M. platycarpum showed significant geographic variation across the study area.
- Taxon
- M. platycarpumMyoporum platycarpume4
- Interactor
- L. exocarpiLysiana exocarpie4parasite
- Outcome
- occurrencee4
- Qualifier
- significant geographic variatione4
- Setting
- study areae4
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“Although L. exocarpi was found throughout the study area, its occurrence on M. platycarpum showed significant geographic variation”
Claim · model-written summary
Myoporum platycarpum was heavily infested by L. exocarpi at sites with annual rainfall above 250 mm but not at sites below 250 mm.
- Taxon
- Myoporum platycarpumMyoporum platycarpume5
- Interactor
- L. exocarpiLysiana exocarpie5parasite
- Outcome
- infestede5
- Direction
- heavily infestede5
- Setting
- sites with an annual rainfall of > 250 mme5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e5“Myoporum platycarpum was heavily infested by L. exocarpi at sites with an annual rainfall of > 250 mm but not at sites with < 250 mm annual rainfall”
Claim · model-written summary
The proportion of M. platycarpum trees infested by L. exocarpi was significantly correlated with annual rainfall.
- Taxon
- M. platycarpumMyoporum platycarpume6
- Treatment
- annual rainfalle6
- Interactor
- L. exocarpiLysiana exocarpie6parasite
- Outcome
- proportion of M. platycarpum trees infestede6
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e6“Across all sites, the proportion of M. platycarpum trees infested by L. exocarpi was significantly correlated with annual rainfall”
Claim · model-written summary
At sites with less rainfall, M. platycarpum was infested by A. miraculosum.
- Taxon
- M. platycarpumMyoporum platycarpume7
- Interactor
- A. miraculosume7parasite
- Outcome
- infestede7
- Setting
- sites with less rainfalle7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e7“At sites with less rainfall, M. platycarpum was infested by another mistletoe species, A. miraculosum”
Claim · model-written summary
No rainfall-related trend was detected for H. oleifolium infested by L. exocarpi.
- Taxon
- H. oleifoliumAlectryon oleifoliuse1
- Interactor
- L. exocarpiLysiana exocarpie1parasite
- Outcome
- infestede1
- Qualifier
- No such trend was detectede1
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“No such trend was detected for H. oleifolium infested by L. exocarpi”