Phytophthora and Pythium Spp. From Pine Plantations in South Australia

Davison, E. M.; Bumbieris, M

doi:10.1071/bi9730163

Cited by 16 publications

(7 citation statements)

References 4 publications

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“…' In the following experiment, Pinus radiata was sown in natural Kuitpo forest soil in pots 10 cm in diameter and 10 cm high at the rate of 10 seeds per pot. The soil was collected from a site that had previously yielded Phytophthora cryptogea, Pythium mastophorum (Davison and Bumbieris 1973) and other Pythium species. The soil in half the pots was kept moist by watering once a day; in the other half the soil was waterlogged by immersing the pots in water-filled plastic containers 6 cm deep.…”

Section: The Efsect Of Waterlogging On Pinus Radiatamentioning

confidence: 99%

“…Phytophthora cryptogea Pethybridge & Lafferty was frequently isolated from soil samples collected in the Adelaide hills plantations (Davison and Bumbieris 1973), mostly from sites where decline and death of Pinus radiata D. Don had occurred and which were subject to prolonged periods of waterlogging in winter and drying out in the summer. The decline sites vary up to about 1.5 hectares.…”

Section: Introductionmentioning

confidence: 99%

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The Role of Phytophthora cryptogea and Waterlogging in a Decline of Pinus radiata

Bumbieris¹

1976

Aust. J. Bot.

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Experiments to determine the roles of Phytophthora cryptogea and waterlogging in a decline of Pinus radiata showed that the fungus affected young pines up to 1 year old when associated with waterlogged soil. In drier soil, similar plants were affected by the fungus only when they had originally been transplanted to the test pots. However, waterlogging affected both transplanted and non-transplanted young trees in both the presence and absence of the fungus. Thus waterlogging is an important factor in the decline of young Pinus radiata. A similar situation probably exists with regard to older trees growing on very wet sites.

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Section: The Efsect Of Waterlogging On Pinus Radiatamentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

The Role of Phytophthora cryptogea and Waterlogging in a Decline of Pinus radiata

Bumbieris¹

1976

Aust. J. Bot.

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“…, 2007). While P. citricola, P. cryptogea , P. drechsleri and P. megasperma have been isolated from forest nurseries and pine plantations (Davison & Bumbieris, 1973; Pratt & Heather, 1973), and have the potential to cause dieback of native plants such as Banksia and Eucalyptus spp. (Weste, 1975; Shearer et al.…”

Section: Introductionmentioning

confidence: 99%

“…Phytophthora cinnamomi was first isolated in South Australia in 1969 (Davison, 1970) and, since then, has been found extensively in many areas of native vegetation with high conservation value, such as the Mount Lofty Ranges, Fleurieu Peninsula (Lee & Wicks, 1977) and Kangaroo Island (Williams et al, 2007). While P. citricola, P. cryptogea, P. drechsleri and P. megasperma have been isolated from forest nurseries and pine plantations (Davison & Bumbieris, 1973;Pratt & Heather, 1973), and have the potential to cause dieback of native plants such as Banksia and Eucalyptus spp. (Weste, 1975;Shearer et al, 1987), P. cinnamomi is considered to cause most damage to native vegetation in South Australia (Velzeboer et al, 2005).…”

Section: Introductionmentioning

confidence: 99%

Response of selected South Australian native plant species to Phytophthora cinnamomi

et al. 2012

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Thirty-seven South Australian native plant species from 11 families, including 15 threatened species in the state (of which six are listed as threatened under the federal Environment Protection and Biodiversity Conservation Act 1999) were assessed for response to infection by Phytophthora cinnamomi. Seedlings, 3-6 months old and grown in a greenhouse, were inoculated by placing infested pine wood plugs in the potting mix, maintained in moist conditions and assessed for mortality and disease symptoms for between 3 and 10 months. Thirty species were found to be susceptible, of which nine were highly susceptible, 15 moderately susceptible and six slightly susceptible. Three species were found to be resistant and results for four species were inconclusive. Six of the 15 threatened, rare or locally endangered species tested (Eucalyptus viminalis var. viminalis, Correa aemula, C. calycina, Olearia pannosa ssp. pannosa, Pomaderris halmaturina ssp. halmaturina and Prostanthera eurybioides) were moderately susceptible, while two (Allocasuarina robusta and Pultenaea graveolens) were highly susceptible. Significant populations of at least five of the threatened species susceptible to the disease are located close to confirmed or suspected Phytophthora-infested areas or growing in areas conducive for P. cinnamomi. An effective management strategy is therefore required to avoid extinction of such species due to infection by the phytophthora dieback pathogen.

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“…During a survey of pine plantations in South Australia for pythiaceous fungi, Phytophthora cryptogea Pethybridge & Lafferty was frequently found in the Adelaide Hills forest reserves (Davison and Bumbieris 1973). Some of the isolates were identified by comparing them with named isolates from the Commonwealth Mycological Institute.…”

Section: Introductionmentioning

confidence: 99%

Characteristics of Two Phytophthora Species

Bumbieris¹

1974

Aust. J. Bot.

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Tests were carried out to compare Phytophthora cryptogea and P. drechsleri. As the results showed that the two species are very similar morphologically, as well as with regard to growth at different temperatures and in the presence of malachite green, it is suggested that they should be considered as one species. Phytophthora cryptogea Pethybridge & Lafferty as the older name has priority over P. drechsleri Tucker.

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Phytophthora and Pythium Spp. From Pine Plantations in South Australia

Cited by 16 publications

References 4 publications

The Role of Phytophthora cryptogea and Waterlogging in a Decline of Pinus radiata

The Role of Phytophthora cryptogea and Waterlogging in a Decline of Pinus radiata

Response of selected South Australian native plant species to Phytophthora cinnamomi

Characteristics of Two Phytophthora Species

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