Cassava disease status in Laos

Plant Protection Center, DOA, MAFF

Establishing sustainable solution to cassava diseases in mainland

Southeast Asia Project Inception Meeting, Vientiane Lao PDR 11-

13th September 2019

I. Background

• Cassava area estimate in 2018 was 70,930 ha,

estimate production 2,277,050 ton.

• In 2019, the main province grow cassava are 8

province including Salavan, Champasak, Sayabory,

Borlikhamxay, Sekong, Attapue, Vientiane capital and

Vientiane province

• The main source of planting materials are from

Thailand and Vietnam (2018 and 2019 are not import

form Vietnam)

I I . Ca ssa v a d i se a se su r v e i l l a nc e

Te a m moni tor i ng pl a nt d i se a se

The surveillance conduct in

Champasakprovince and Salavan

province that survey focusing on

CMD, CW BD and insect vector in

field that importing planting

material from Thailand and

Vietnam in 2018 and 2019

III. Result of cassava

disease surveillance

(Witche's broom less than 1% )

The sa mpl e co l l e ct e d a nd ke e p i n si l i c a ge l , t he r e a r e not

ye t t o conf i r m

Le af spot (Collectotricham sp. )

Bacteria (can not confirm)

Nesting whitefly (Paraleyrodes bondari)

Ma p of survey cassava disease and insect

vector

Panama Disease status in Lao PDR

Plant Protection Centre,

Department of Agriculture , MAFF, Laos

1. Background

• Panama disease caused by Fusarium oxysporum f. sp. cubense tropical race 4 (VCG 01213/16) is a serious pest of banana and can have a high impact on yield and found in Borkeo and LaungNamThaprovinces North of Laos in 2016.

• Banana Foc TR4 disease is big problem for banana farm some farmers they lose their framers and some framers change to new crop (Sugar can, maize, mango, been etc.) The export value of bananas is expected to slide down.

1. Background

Description of banana Foc TR4 disease in the country and potential incursion

February 2017

1. Background

Description of banana Foc TR4 disease in the country and potential incursion

July 2019

2. Result of survey Foc TR4 in Laos

Foc TR4 detected on Cavendish (Vientiane Capital, Vientiane Province, Xaiyaboury,

LaungPhaBang , Oudomxay, LaungNamTha and Borkeo )

Foc TR4 Not detected on Cavendish

Thank you