THE EVALUATION ON GROWTH, YIELD AND QUALITY OF SOME COLOUR RICE GERMPLASMS IN DA BAC - HOA BINH

Abstract

Colour rice (Oryza sativa L.) is rice varieties have diferent bran colour as brown red,  purple,… This bran colour is very rich in antioxidants helps to prevent cardiovascular disease is popular in daily life. With the advantage of land potential and climate, Da Bac district is building a structure of commodity rice varieties with high economic efficiency. So, the research and introduction of high-yielding, good quality rice varieties, high anthocyanin content, slight infection of pests and diseases in production is essential. From the results of the evaluation on growth, development combined with the evaluation on yield and quality as well as the biochemical parameters of 12 bran colour rice varieties in Spring and Season 2021 in Da Bac, selected got 2 varieties TD1 and Nep cam DH6.  These bran colour rice varieties have short duration, good yield (TD1 were 4.0 ton/ha and 3.88 ton/ha, DH6 were 3.56 ton/ha and 3.55 ton in Spring and Summer 2021 respectively), good resistance, good eating of brown cooking rice, soft and acceptable of grain size, the brown rice recovery is more than 80%, the biochemical parameters are good such as protein content >9%, amylose <8%, anthocyanin from 330-360mg/100-gram milled rice.