ẢNH HƯỞNG CỦA CHU KỲ ĐỐN BA NĂM ĐẾN SINH TRƯỞNG, PHÁT TRIỂN GIỐNG CHÈ LDP2Ở PHÚ HỘ

Pruning cycle is a combination of a continuous period of time between the types of light pruning, medium pruning and deep pruning in accordance with the situation on the growth of tea gardens. Results of ongoing research cycle 3 in the 2nd pruning (First cycle from 2006 to 2008 and 2nd from 2009 to 2011) on 8 - year - old tea gardens, variety LDP2 in conditions Phu Ho. Formula II: in the first pruning at a height of 50 cm, in the second year 60 cm high, and third year 65 cm high for a weight of 2 leaf buds peaked 0.83 g/shoot, tea leaves are the largest area. Formula III: in the first cut at a height of 58 cm - 63 cm high in year 2, year 3 at 66 cm high, to the last year cutting cycle the highest density of 245.00 shoot/m2 . Average of 3 years cutting cycle, yield increased 13.28% compared to controls