ĐÁNH GIÁ SINH TRƯỞNG, NĂNG SUẤT VÀ CHẤT LƯỢNG CỦA 3 KIỂU HÌNH CHÈ VẰNG (JASMINUM SUBTRIPLINERVE BLUME)

Abstract

Jasminum subtriplinerve Blume, Oleaceae, in Vietnamese called Che vang, Che cuoc nam, Vang. Currently, there are 3 types of J.subtriplinerve Blume, which are big leaves, small leaves and purple stem. The leaf size (length, width) at the monitoring times of big- leaf phenotype is larger than that of small-leaf and purple-stem phenotype. The actual yield of medicinal herbs of the big-leaf J.subtriplinerve Blume is 2.82 tons/ha, higher than that of small-leaf (reaching 1.91 tons/ha) and purple-stem (1.94 tons/ha). Active ingredient content of small-leaf type reached 4.69%; big-leaf type reached 4.34% and purple-stem type reached 4.3%. The highest yield of active ingredients was obtained from big-leaf type is 121.52 kg/ha - while that was the lowest in the purple-stem with 83.42 kg/ ha.
Keywords: Jasminum subtriplinerve Blume, flavonoid, type, leaf, purple-stem.