ĐÁNH GIÃ KHẢ NĂNG SINH TRƯỞNG VÀ PHÁT TRIỂN CỦA CẦY LÁ GAI (BOEH MERIA NIVEA L. GAUDICH) TỪ CÁC NGUỒN VẬT LIỆU KHỞI ĐẦU KHÁC NHAU TẠI KHU THựC HÀNH TRƯỜNG ĐẠI HỌC HỒNG ĐỨC

Abstract

In vitro culture with many advantages such as large numbers of seedlings, genetically homogeneous was one of proposed methods for Boehmeria nivea (L.) Gaudich propagating. In this study, three materials were tested including: stem cuttings, seeds, and in vitro seedlings. The results indicated that the highest survived percentage of Boehmeria nỉvea (L.) Gaudich at the nursery stage was 72% at the treatment o f stem cutting seedlings on soil- sand (1:1) substrate. Also at this treatment, the ability o f height growth was fastest. However, at the treatment o f in vitro seedlings, the branching speed and number o f leaves were the highest (4.4 branches/plant and 19.2 leaves/stem, respectively). These results open the hope that the yield o f Boehmeria nivea (L.) Gaudich from in vitro seedlings could be much higher than these from stems or seeds.
Keywords: Boehmerỉa nivea (L.) Gaudich, in vitro, propagation, growth.