Mon, Jun 24, 2019 - Page 7 News List

Small-farm holdings hit worst as fall armyworm invades Asia

By Patpicha Tanakasempipat and Naveen Thukral  /  Reuters, BAN NONG TOR, Thailand, and SINGAPORE

Looking out at his empty, red-earth field, Thai farmer Puang Timdon said his two-week-old maize crop did not stand a chance against the fall armyworm pest.

“All the 8 rai [1.28 hectare] I planted were all heavily infested,” said the 42-year-old from his farm in Ban Nong Tor town in Pak Chong District, 180km northeast of Bangkok.

“The worm ate the whole field in three days, leaving so much damage that it wasn’t worth saving,” he said.

Fall armyworm, a caterpillar that got the name because it invades croplands in droves, much like an army, has rapidly spread across Asia since it was detected in southern India late last year.

Fields in Taiwan, Bangladesh, Myanmar, Vietnam and Indonesia have fallen victim.

In Thailand, it has badly affected the country’s corn crop, much of which is sold to the animal feed industry.

In recent months, the pest has also been found in 18 of China’s 33 provinces and regions and is now threatening to spread across the key corn region in the northeast.

China is the world’s second-biggest corn consumer and producer.

“It is a major issue for crops. It could pose a food security threat,” said Phin Ziebell, an agribusiness economist at National Australia Bank. “Management cost is an issue for small farmers.”

Marjon Fredrix, an agricultural officer at the UN Food and Agriculture Organization (FAO), said some countries have reported damage to crops hit by the pest at 1.2 percent to about 10 percent, while others had put the figure at 20 percent to 40 percent.

“Once the fall armyworm has arrived, it can’t be eradicated, and farmers will have to manage it,” Fredrix said.

A dip in the production of corn, largely used in Asia to feed animals, could force hog, poultry and cattle growers to rely on expensive imports and dent incomes of millions of small farmers.

The fall armyworm invasion comes against the backdrop of planting delays in the US which lifted benchmark Chicago corn futures by nearly one-fifth last month.


Asia’s millions of smallholder farmers — many with less than 0.4 hectares of land — are likely to take a bigger hit from the pest than larger growers given their reluctance to adopt new technologies to combat production threats.

“There is an inertia about new technologies,” said Paul Voutier, Singapore-based director at Grow Asia, a World Bank funded organization that works with small farmers and other stakeholders to improve productivity.

“And the treatment for fall armyworm has the awful combination of being both costly and difficult,” he said, noting the pest’s tendency to burrow low into the stem of the crop made it hard to combat with traditional pesticide sprays.

Asia is the world’s biggest consumer and importer of corn.

The region accounts for 34 percent of global corn imports and nearly 36 percent of world corn consumption, according to the US Department of Agriculture data.

The pest, which has been known for almost 200 years in the Americas, was first reported in Africa in 2016 and has since spread across the entire continent, the FAO said.

In July last year, fall armyworm — which can fly up to 100km in one night — was spotted in the southern Indian state of Karnataka, and by the end of February it was reported in 10 of India’s 29 states.

The armyworm has been detected in more than 50 of Thailand’s 76 provinces, and is concentrated in six western provinces with large maize areas.

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