BRRI dhan104: BRRI’s Basmati Type Aromatic Rice Variety for Irrigated Ecosystem in Bangladesh

Abstract

An enhancement over already available premium quality enriched aromatic rice varieties for Bangladesh is the recently announced BRRI dhan104 type of rice, which has long slender grain and is high yielding and ideal for Bangladesh's irrigated ecology. The variety has satisfactorily passed the Proposed Variety Trial (PVT) conducted in the farmers’ field in Boro 2021-22 season. As a result National Seed Board (NSB) approved this variety for commercial cultivation in the Boro season (dry season) in 2022. It has modern plant type with 92 cm plant height and matures by 147 days. The proposed variety showed 0.68 t/ha higher yield than check variety BRRI dhan50. Identifying characters of this variety are green leaf, intermediate plant height, erect flag leaf, long slender grain, and intermediate leaf senescence. In average, it can produce 7.30 t/ha grain yield but it has potentiality to give 8.71 t/ha grain yield under favorable climatic condition and appropriate agronomic management. Thousand grain weight of the variety is 21.5 gm and head rice yield is 57.2%. It is strong aromatic basmati type rice variety (according to GCMS system the value of volatile aromatic compound is 2.12 ppm), 29.2% amylose content with 8.9% protein content. Farmers can benefit financially from growing the premium quality enriched aromatic rice variety BRRI dhan104 and the total rice production will be increased along with possible to earn foreign currency by export this variety. Among the released variety by BRRI, the BRRI dhan104 is the only variety of aromatic basmati type.