Research results on propagation of the seven leaves one flower (Paris polyphylla var) in Tay Con Linh natural reservation, Hoang Su Phi district, Ha Giang province

Abstract

The article shows a number of research results on propagation of the seven leaves one flower (Paris polyphylla Var) in Tay Con Linh Natural Reservation, Hoang Su Phi district, Ha Giang province, showing the best harvesting time is in the October to November. They have got 0.265 cm of diameter, 0.143 g of weight, water content 30.47%, weight ranging from 125 - 161 g; 1 kg of pure seeds has an average of 6,993 seeds, ranging from 6,211 - 8,000 seeds, seeds are treated by chemical method CTTN 5, soaked seeds in GA3 solution (200 ppm) give the germination rate (83%). The seeds after germination are grown in the soil of mixture 80% soil sample + 20% microbial fertilizer gives the highest rate of live plants (82%), average height after 12 months reaches 55.1 cm.