KẾT QUẢ ĐIỀU TRA, TUYỂN CHỌN CÂY CHÈ SHAN ĐẦU DÒNG TẠI XÃ LŨNG PHÌN, HUYỆN ĐỒNG VĂN, TỈNH HÀ GIANG
KẾT QUẢ ĐIỀU TRA, TUYỂN CHỌN CÂY CHÈ SHAN ĐẦU DÒNG TẠI XÃ LŨNG PHÌN, HUYỆN ĐỒNG VĂN, TỈNH HÀ GIANG
Survey results, elite Shan tea plants selection at Lung Phin commune, Dong Van district, Ha Giang province
Shan tea (Camellia sinensis var. Shan) is a popular variety in Vietnam, especially in Northern mountainous provinces. Dong Van is a mountainous district with particular topographical and climate conditions of rocky plateau. Total tea area is 153 ha belonging 8 communes and mainly focused in Lung Phin, Ho Quang Phin and Van Chai communes. Lung Phin tea is high quality with good aroma, fair body liquor and nutritious, creating a brand name for the famous Shan tea of Ha Giang. To conserve and develop a sustainable genetic source of Shan ancient plants. It is necessary to carry out a survey and selection of elite plants. Through the evaluation of agro-biological indicators, production especially bud quality of elite tea plants, selectivity index results (Selection index) 7 plant s have been selected for 4 times, these plants are: TCP5, SCV1, TCP8, CPHA1, TCP11, CPHA27, CPHA17 which have been suggested for recognition as Shan elite plants.