TBR-1 is a purebred rice variety selected by ThaiBinh Seed Joint Stock Corporation, it was recognized as National Seed in 2006.
TBR-1 is a cold-tolerant, short-term variety with wide adaptability.
Growing time: in the North of Viet Nam: in Spring crop from 125 days to 135 days, in Summer crop from 105 days to 110 days; in South Central and Central Highlands: in Winter-Spring crop from 110 days to 115 days, in Summer-Autumn crop from 100 days to 105 days.
Height: from 105 cm to 110 cm, moderate tillering, strong stem,anti-fall, vertical leaves, concentrated flowering; oval shape seeds, 1000 seeds's net weight is about 25 grams to 26 grams.
Good resistance to pests and diseases, especially leaf blight disease.
Average yield reaches from 70 quintals to 75 quintals/ha, can reach from 80 quintals to 90 quintals/ha with good intensive farming conditions.
Rice's quality is quite good, high starch content, suitable for processing.