Scientist creates climate change-ready rice

VietNamNet Bridge – Dr Tran Thi Cuc Hoa and her colleagues have researched and developed two rice varieties that have been widely planted by Vietnamese farmers.

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Robust rice: Dr Hoa and her new rice variety, which is planted in all of the delta provinces. – Photo:

Director of the Agricultural Genetics Institute (AGI) Dr Le Huy Ham said Dr Hoa from the Mekong Delta’s Rice Research Institute (MDRRI) created a dozen rice varieties, including OM6976 and OM5451, that have become main rice varieties in the Mekong Delta.

Hoa and her colleagues Dr Pham Trung Nghia, La Cao Thang, Dang Thi Tham and Huynh Thi Phuong Loan, had invested nine years into researching these varieties that brought economic benefits to the nation, said Ham.

“The project has high value in science and technology,” he said.

Dr Tran Ngoc Thach, director of the MDRRI, said the project is significant because it had been carefully researched to create rice enriched with folic acid and zinc.

The two varieties are widely planted in the Mekong Delta, which produces half of the country’s rice output and 95 per cent of rice for export, according to Thach.

“They help to increase rice production and exports while increasing the competitiveness of Vietnamese rice in the world market and the income of our farmers,” Thach said.

The varieties have high resistance to insects, rice blast diseases, rice grassy stunt virus and rice black streaked dwarf virus as well as high adaptability to alluvia soil, alkaline land and salinated soil, he said.

They can also be planted year round in coastal regions. “They have become the main high quality varieties in the delta, remarkably contributed to the country’s export of rice,” Thach said.

High economic profit

These rice varieties have been widely planted by farmers since 2012 after they were recognised as national varieties.

During 2013-15, farmers in Hau Giang, Ca Mau, Vinh Long, Bac Lieu, Kien Giang and Soc Trang provinces planted three million hectares with a yield of 5.9 tonnes per ha, and an average price of VND6,300/kg, bringing profit of VND2.97 million per hectare more than other rice varieties, said Thach.

Farmer Nguyen Van Ngo in Kien Giang’s Binh An Village said thanks to high adaptability of these varieties to alkaline and saline soil, his field yields 1.2 tonnes per cong (each cong is about 1,300sq.m).  

Farmer To Van Hiep in Hau Giang’s Long Phu Village said: “We are all very happy because this is the first time we sold our rice with a much higher price of VND7,000 per kilo compared to VND5,100 per kilo of normal rice.”

Efforts paid

To have these new rice varieties, Dr Hoa and her colleagues created thousands of cross breeding complexes for nearly a decade, for example, to create OM6976 from cross-breeding four different parents. 

Hoa has researched cross breeding to create rice strains adaptable to climate change and with high yield.

“This new rice variety that can grow on saline soil is expected to be planted en masse very soon,” said Hoa.

Apart from these rice varieties, Dr Hoa researches gene technology of plants to prevent changes of gene in cotton plant, soybean and rice, according to Dr Thach from the MDRRI.

Hoa is researching gene-change of soybean varieties that are resistant to pests in a project ordered by the Ministry of Agriculture and Rural Development.

Her projects have been printed in two prestigious magazines, Plant Physiology and Theoretical and Applied Genetics.

As a result, her research work was awarded a State prize, and is among the country’s eight outstanding works at the "Viet Nam Glory" programme held by the Viet Nam General Confederation of Labour last week.

Furthermore, more than 80 research articles written by Hoa have been covered by local and foreign magazines.

But Hoa said she was very happy when people “call me the scientist of farmers because I’ve been working with them in the field, often for days”.

She has invested her time in creating new rice varieties that are resistant to insecticides and have high yields to help farmers improve their living standards and make Vietnamese rice more competitive in the world market. 

Hoa was born in the southern province of Binh Dinh in 1955 and worked in the MDRRI since 1980, after graduating from the HCM City University of Science. She studied in India’s Agriculture Researching Institute, the US Purdue University and the Technology Institute of Switzerland.

by Ha Nguyen

Source: VNS

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