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Update on releases of Selitrichodes neseri, biocontrol agent for Leptocybe invasa
2 April, 2013
TPCP / FABI
Releases of Selitrichodes neseri in Eucalyptus plantations in South Africa continue, with over 4 000 female wasps released at over 200 sites to date. These releases have focused on the regions with the highest infestation of Leptocybe invasa, namely... read more
Biocontrol agent for eucalyptus gall wasp released
20 November, 2012
TPCP
It was with great excitement that we found the first Selitrichodes neseri wasp emerging from Leptocybe-infested material collected in the field. This material was collected from a site in Mtunzini, Zululand, where S. neseri was released in September this year. read more
Pest and disease threats accelerating
17 September, 2012
TPCP
The following article was published in the June 2012 issue of SA Forestry Magazine. It is a good summary of some of the ideas raised and reports given at the annual TPCP meeting in May 2012. read more
Detection of large-scale landscape changes in and around the Kruger National Park
15 August, 2012
CSIR
The Carnegie Airborne Observatory (CAO) - an integrated airborne hyperspectral and light detection and ranging (LiDAR) system based at Stanford University in the United States - recently completed a third mission to the Kruger National Park (KNP) in South... read more
Researchers one step closer to providing a country-wide nitrogen map for southern Africa
13 August, 2012
CSIR
Remote sensing specialists are standing by to capitalise on the launch of the European Space Agency's (ESA) Sentinel-2 Earth observation satellite in 2013, as that will, for the first time, enable them to develop a nitrogen map for southern Africa. read more
Biological control agent for Leptocybe invasa released
30 July, 2012
TPCP
July 25 was an important day for forest protection in South Africa, as it marked the first release of Selitrichodes   neseri, the biological control agent for the eucalyptus gall wasp, Leptocybe invasa. Leptocybe invasa is one of the most devastating... read more
New pest of Eucalyptus, Glycaspis brimblecombei, in South Africa
27 July, 2012
FABI / TPCP
A new invasive insect on Eucalyptus was recently detected in the Pretoria area by Prof. Stefan Neser. Although the identity must still be confirmed, we are almost certain that this insect is the red gum lerp psyllid, Glycaspis brimblecombei. This insect is a... read more
Application of Plant Breeders’ Rights (PBR) for CSIR GxN2107
24 July, 2012
CSIR
The submission of the application for Plant Breeders' Rights for the CSIR eucalypt clone GxN2107 is the first of its kind in South Africa as no applications for forest tree species have been submitted and no guidelines have been drafted before.  The advantage... read more
Chemical and Cryo-methods for assessing hardwood pulp fibre ultrastructure
24 July, 2012
CSIR
Accurate imaging and analysis of the fibre wall ultrastructure depends extensively on the sample preparation method used (Chinga-Carrasco, 2010). Various techniques and methods are available for sample preparation but their use is limited by the sensitivity to... read more