The move is expected to help bring region’s fresh tea yield to eight tons per hectare from current two tons only.
The variety structure will be arranged by small regions, said Doanh.
Clean and organic tea producing region will mainly develop selected Shan varieties and around 10-20 per cent of domestic imported varieties with high quality such as Thanh Tam, Van Xuong, Thiet Bao Tra, Ngoc Thuy Olong.
Meanwhile, high quality and safe tea developing region will focus on selected Shan varieties which accounts for 60 per cent and 40 per cent left will be for domestic imported varieties.
He added that high yield and safe tea producing region will reduce planted areas of Trung du varieties to 50 per cent from 90 per cent through replanting with high yield and quality varieties such as LDP1, LDP2, Phuc Van Tien, Keo Am Tich, Kim Tuyen, and Bat Tien.
At present, the institute is keeping 151 tea varieties, in which nine tea lines are experimentally planting to provide for tea producing regions in 2010-2015.
Tea cultivation area in northern upland provinces reportedly made for 74.8 per cent of the country’s total tea areas, or 91,600 hectares, with the large tea producing provinces being Thai Nguyen, Ha Giang, Phu Tho, Yen Bai, Nghe An, Tuyen Quang, and Son La.
Vietnam has so far exported tea to more than 90 countries in the world, green tea accounted for 20 per cent, black tea (60 per cent), end-product tea (7 per cent) and others (14 per cent).
Currently, 74 per cent of tea plantations nationwide are planted with new varieties, in which good quality tea only made for 7 per cent. (Agriculture and Rural Development Ministry