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Army worms

March of the dreaded armyworm into SA threatens maize crop

armywormOutbreaks were first reported in West and Central Africa at the beginning of last year. They have since jumped the Equator into Burundi, Zambia, Zimbabwe and Malawi and have spread to some of the northern areas of South Africa.

Crop Life SA says the country should be worried about an invasion, mainly in Limpopo, the Free State, and Western Cape sandveld – even though this particular species of armyworm is not yet confirmed by genetic analysis.

Gerhard H Verdoorn, director at Griffon Poison Information Centre (Crop Life SA), confirmed the devastating effect an invasion could have on the country’s food security

“Farms in Levubu, Pontdrif and Mookgophong in Limpopo are confirmed to have been hit by the fall armyworm invasion. This is a crisis for all South African maize growers. We were caught unawares by this pest but have a very strong presence of extension services. If left uncontrolled it can have a devastating effect on the maize crop and cripple the harvest,” he said.

“We are advising farmers to use certain pesticides immediately, to scout for second infestations, and report any such infestations. We are devising plans to seek emergency registration for pesticides that are not yet registered for maize/armyworm, drafting plans to incorporate biological pesticides into management plans and drafting a long-term integrated pest management plan for this pest.

“In other African countries they rely heavily on South Africa’s support with info and advice.”

The fall armyworm also has a very large host range and although it has only been observed on maize in South Africa, it could travel on propagation material or other plant products of other hosts from one country to another.

Verdoorn said the armyworm moved with passage winds and weather fronts and migrated through host plants. They can move thousands of kilometres a week, are resistant to pyrethroid insecticides, and to a lesser extent to organophosphates and carbamates.

The Department of Agriculture, Forestry and Fisheries confirmed the reports on the armyworms.

“We did receive reports of pest damage, which raises concern. However, the damage over the broader area has not been assessed yet,” department spokesman Bomikazi Molapo said.

“The biggest danger is incorrect information on farm management of the pest, which can lead to pesticide resistance and production losses. Production losses will ultimately lead to food security issues. Small-scale and other resource farmers are especially at risk.”

Source: www.timeslive.co.za

Armyworm confirmed | IOL

www.iol.co.za/business-report/markets/commodities/armyworm-confirmed-7633152

… that the recent pest infestation to crops is in-fact the Fall Armyworm. … This is the first time the Fall Armyworm has hit South African soil after it was first … of the spread and the specific strain of FAW present in South Africa. …

Armyworm invasion destroys crops in southern Africa – CNN.com

www.cnn.com/2017/01/24/africa/armyworminvasion-africa/

Large appetite – Armyworm caterpillars are devastating maize plants in Zimbabwe, Zambia and Malawi, where it is a staple food crop. … The fall armyworm moth is among the most notorious pests in the Americas and it has recently invaded southern Africa.

Government tries to limit crop damage from armyworm invasion | M&G

mg.co.za/…/2017-02-06-government-tries-to-limit-crop-damage-from-armyworm-pe…

Government tries to limit crop damage from armyworm invasion. Armyworms can cause extensive crop damage …

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