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German wasp | Vespula germanica

German wasp

Vespula germanica

Coral bush | Ardisia crenata

Coral bush

Ardisia crenata

Purple loosestrife | Lythrum salicaria

Purple loosestrife

Lythrum salicaria

Pom pom weed | Campuloclinium macrocephalum

Pom pom weed

Campuloclinium macrocephalum

Canarybird bush | Crotalaria agatiflora

Canarybird bush

Crotalaria agatiflora

Peanut butter cassia | Senna didymobotrya

Peanut butter cassia

Senna didymobotrya

Rubber vine | Cryptostegia grandiflora

Rubber vine

Cryptostegia grandiflora

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Environmental Programmes

In order to tackle our country’s socio-economic challenges, the government adopted the Outcomes based approach to improve government performance and providing focus on service delivery. find out more

Devastating tomato pest reaches South Africa

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The Department of Agriculture, Forestry and Fisheries (DAFF) has announced that the first sightings of the tomato leaf miner (Tuta absoluta) has been detected in the eastern parts of the Mpumalanga Province, South Africa. This pest is disastrous particularly for tomato production and food security in general.

After almost two years of surveillance by industry role players, Tuta absoluta was detected for the first time from the five surveillance traps in late August 2016, three of which were set in the Southern Kruger National Park, one on a tomato farm near Komatipoort and one at the Lebombo border post. The specimens collected from pheromone traps were sent to the Department of Agriculture, Forestry and Fisheries (DAFF) Plant Health Diagnostic laboratories and the identification was confirmed by a Lepidoptera specialist from the Agricultural Research Council (ARC).

From South America, to Europe and Africa

This pest spread from South America to Europe in 2006 and across to northern Africa. Since then, it has spread throughout the Middle East to India. It was reported in Kenya and Tanzania in 2014 and from September 2016 in Zambia. The DAFF has been closely monitoring the spread of this pest across the world and has proactively initiated emergency actions to register agrochemicals to prepare for a rapid response to any possible outbreak of this pest in South Africa.

This pest cannot be completely eradicated; however it can be contained and suppressed to lower population levels. The DAFF has already engaged with the tomato and potato production industries and the ARC and underscored an urgent need for development of a detailed plan of action. Such an action plan will be shared with all the relevant role players in due course.

For further information, visit the Tuta absoluta Information Network: http://www.tutaabsoluta.com/

Damage to tomatoes

Under poor control measures, Tuta absoluta can cause up to 100% loss of tomatoes and could also, to a lesser extent, affect potatoes. This poses a serious threat to food security, because tomatoes and potatoes are prominently part of the daily diet for many people in South Africa.

This pest can effectively be controlled through the application of good agricultural practices and/ or integrated pest management. To date, several agrochemicals are already registered by the DAFF to control this pest; however, they must be applied judiciously. The biggest challenge with this pest is that it can develop resistance to chemicals within a single season. Therefore, agrochemicals with different active ingredients should be used in rotation and in accordance with the application requirements. A list of agrochemicals registered for Tuta absoluta and information regarding surveillance is available on the DAFF website.

Tomato and potato producers are encouraged to apply good agricultural practices and/ or integrated pest management, i.e. to do field sanitation, use detection traps, scout for this pest and apply relevant registered agrochemicals when necessary, such as when this pest has been detected in a field trap. Please alert the DAFF Early Warning Systems division in case you suspect occurrence of this pest in your area.

International travellers are advised to avoid illegal importation of agricultural commodities into South Africa because this may lead to the introduction of new pests and diseases which are expensive and difficult to manage.

For further technical information, contact Mr Jan Hendrik Venter, Manager: Early Warning Systems. Email:  Tel: (021)-319-6384/6138. 


Read 7718 times Last modified on Thursday, 03 November 2016 10:13

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