NGHIÊN CỨU KỸ THUẬT NHÂN GIỐNG VÔ TÍNH CÂY VẦU (BAMBUSA LONGISSIMA SP.NOV) BẰNG PHƯƠNG PHÁP GIÂM HOM

Abstract

Thanh Hoa is one o f the provinces with areas for growing raw materials for the paper industry and relatively fine-art handicrafts o f the country. In addition to orientating the development of large timber forests, Thanh Hoa has also developed a policy to develop a number o f other material plants such as bamboo species, including B ambus a longissima.
Bambusa longissima sp.nov is being considered as a hunger eradication and poverty reduction crop for people in some mountainous districts of Thanh Hoa. The paper presents the results o f the research on the propagation of Bambusa longissima sp.nov from cuttings.
The results showed that synthentic auxin, medium clearly affect the rooting rate and rooting quality o f the cutting. In particular, the cuttings were treated with Indol Butiric Axit(IBA)at 500 ppm and the medium of 50 % soil B floor + 50 % trice husks reached the highest rooting rate and rooting quality,rooting ratewas 73.1% and the rooting coefficient was 153.6 after 60 days o f cuttings.
Keywords: Bambusa longissima sp.nov, multiplication, cutting propagation method.