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You searched for: Journal Southern forests Remove constraint Journal: Southern forests Subject term DNA Remove constraint Subject term: DNA Text Availability Citation in PubAg Remove constraint Text Availability: Citation in PubAg
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1. Association of the pitch canker pathogen Fusarium circinatum with grass hosts in commercial pine production areas of South Africa

Author:
Cassandra L Swett; Bernice Porter; Gerda Fourie; Emma T Steenkamp; Thomas R Gordon; Michael J Wingfield
Source:
Southern forests 2014 v.76 no.3 pp. 161-166
ISSN:
2070-2639
Subject:
Briza maxima; DNA; Ehrharta; Fusarium circinatum; Pinus; Pseudotsuga menziesii; disease occurrence; endophytes; forests; fungi; grasses; host range; hosts; inoculum; nucleotide sequences; pathogens; plantations; sanitation; virulence; California; South Africa
Abstract:
... The pitch canker pathogen, Fusarium circinatum , has major impacts on production in pine nurseries and plantations in South Africa. Thus far, efforts to reduce local spread have focused on rouging of infected pines and sanitation to eliminate local sources of inoculum. Although the host range of F. circinatum was thought to be limited to pines and Douglas-fir, recent studies in California indicate ...
DOI:
10.2989/20702620.2014.916087

2. Ceratocystis wilt on Eucalyptus: first record from South Africa

Author:
J Roux; MJ Wingfield; A Fourie; K Noeth; I Barnes
Source:
Southern forests 2020 v.82 no.1 pp. 24-31
ISSN:
2070-2639
Subject:
Ceratocystis; DNA; Eucalyptus grandis; Eucalyptus urophylla; cambium; death; discoloration; forests; fungal diseases of plants; genes; hybrids; internal transcribed spacers; pathogenicity; plant pathogenic fungi; roots; sapwood; sequence analysis; stems; trees; vascular wilt; South Africa
Abstract:
... Wilt and death of an E. grandis × E. urophylla variety was recently observed in the Zululand region of KwaZulu-Natal, South Africa. Symptoms on the dying trees included a streaking pattern of discolouration in the sapwood and cambium of stems and roots. A fungus resembling a Ceratocystis sp. was consistently found sporulating on diseased material and isolated from the symptomatic root and stem tis ...
DOI:
10.2989/20702620.2019.1686687

3. Diseases of eucalypts in the central and northern provinces of Mozambique

Author:
Sílvia ND Maússe-Sitoe; ShuaiFei Chen; Michael J Wingfield; Jolanda Roux
Source:
Southern forests 2016 v.78 no.3 pp. 169-183
ISSN:
2070-2639
Subject:
Botryosphaeriaceae; Calonectria; Corymbia citriodora; Cryphonectriaceae; DNA; Eucalyptus camaldulensis; Phakopsora; forestry; forests; fungi; leaf spot; nucleotide sequences; pathogens; pests; plantations; stem cankers; surveys; trees; Mozambique
Abstract:
... In the mid-1970s, Mozambique embarked on several forestry projects to promote and establish large plantation areas with eucalypt trees. The planted species included Corymbia citriodora , Eucalyptus camaldulensis , E. saligna and E. tereticornis . Similar to other regions of the world, pests and pathogens pose a significant threat to eucalypt plantations in Mozambique, but little is known regarding ...
DOI:
10.2989/20702620.2015.1126780

4. Diseases on Eucalyptus species in Zimbabwean plantations and woodlots

Author:
Luke Jimu; Michael J Wingfield; Eddie Mwenje; Jolanda Roux
Source:
Southern forests 2015 v.77 no.3 pp. 221-230
ISSN:
2070-2639
Subject:
Armillaria; Botryosphaeriaceae; Capnodiales; Ceratocystis; DNA; Eucalyptus; Ophiostoma; agroclimatology; breeding; disease control; forests; fungi; highlands; leaf spot; nucleotide sequences; pathogens; plantations; planting; stem cankers; stem rot; stumps; surveys; Zimbabwe
Abstract:
... Zimbabwe embarked on planting Eucalyptus species in the early 1900s. Based on a robust breeding programme, it has become a major source of seed for other countries in and outside Africa. Tree health surveys conducted on Eucalyptus in some east and southern African countries over the past two decades have revealed several important fungal diseases that were previously not known in the region, but l ...
DOI:
10.2989/20702620.2014.1001682

5. Diversity and identification of fungi associated with needles of Pinus radiata in Tasmania

Author:
Istiana Prihatini; Morag Glen; Tim J Wardlaw; Caroline L Mohammed
Source:
Southern forests 2016 v.78 no.1 pp. 19-34
ISSN:
2070-2639
Subject:
DNA; Dothideomycetes; Leotiomycetes; Pinus radiata; Sordariomycetes; barcoding; conifer needles; conifers; databases; forests; fungi; nucleotide sequences; plantations; polymerase chain reaction; New Zealand; Tasmania
Abstract:
... Needle fungi have been extensively studied in conifers but rarely in Pinus radiata . Previous studies of P. radiata have been based on fungal isolation and not direct PCR detection from needles. This research was a component of a study examining factors linked to spring needle cast (SNC) in Tasmanian P. radiata plantations and aimed to identify as many as possible of the fungal species commonly as ...
DOI:
10.2989/20702620.2015.1092345

6. The Eucalyptus shoot and leaf pathogen Teratosphaeria destructans recorded in South Africa

Author:
Izette Greyling; Michael J Wingfield; Martin PA Coetzee; Seonju Marincowitz; Jolanda Roux
Source:
Southern forests 2016 v.78 no.2 pp. 123-129
ISSN:
2070-2639
Subject:
DNA; Eucalyptus grandis; Eucalyptus urophylla; blight; disease surveys; forests; fungi; genes; hybrids; leaf spot; leaves; nucleotide sequences; pathogens; spores; trees; South Africa
Abstract:
... Species of Teratosphaeria include some of the most important fungal pathogens of plantation-grown eucalypt trees. During routine disease surveys, symptoms and signs of leaf spot and blight were observed on the foliage of one-year-old E. grandis × E. urophylla hybrids in the Zululand region of KwaZulu-Natal, South Africa. These were distinct from those caused by the well-known and leaf-infecting fu ...
DOI:
10.2989/20702620.2015.1136504

7. Lasiodiplodia species associated with dying Euphorbia ingens in South Africa

Author:
J A van der Linde; D L Six; M J Wingfield; J Roux
Source:
Southern forests 2011 v.73 no.3-4 pp. 165-173
ISSN:
2070-2639
Subject:
Botryosphaeriaceae; DNA; Euphorbia; death; fungi; genes; internal transcribed spacers; pathogenicity; pathogens; trees; South Africa
Abstract:
... Various species of Euphorbia occur in South Africa, including herbaceous, succulent and woody types. The largest of the succulent Euphorbia spp. in South Africa is Euphorbia ingens. These trees have been dying at an alarming rate in the Limpopo province during the course of the last 15 years. Investigations into the possible causes of the death have included the possible role of fungal pathogens. ...
DOI:
10.2989/20702620.2011.639499

8. Low genetic diversity and high genetic differentiation among severely fragmented populations of the critically endangered tree Talbotiella gentii (Fabaceae)

Author:
D Dompreh; MD Swaine; A Price
Source:
Southern forests 2011 v.73 no.2 pp. 73-80
ISSN:
2070-2639
Subject:
DNA; Talbotiella; correspondence analysis; extinction; gene flow; genetic drift; genetic variation; inbreeding; indigenous species; provenance; random amplified polymorphic DNA technique; trees; Ghana
Abstract:
... The genetic diversity among 17 populations (including 10 newly discovered) of Talbotiella gentii (Fabaceae, Caesalpinioideae), a rare tree species endemic to Ghana, was assessed using random amplified polymorphic DNA (RAPD). A total of 80 polymorphic bands were generated from eight primers and analysed by cluster and correspondence analysis. This showed a clear distinction between populations, wit ...
DOI:
10.2989/20702620.2011.610778