Comparative study on distributed feature of wild Angelica sinensis resources and the difference in growth characteristics with its cultivars native to Min County of Gansu

doi:10.11686/cyxb20140204

Abstract

Abstract: Using methods of route survey and sampling investigation, wild Angelica sinensis resources in Min County were comprehensive surveyed in order to further explore distributed characteristics of the resources, medicinal materials reserves, botanical feature for the wild plant in differently ecological districts of Min County, and to explore its differences in plant morphology and disease resistance with the cultivated A. sinensis. The results showed that the wild A. sinensis populations were found for the first time in three sample sites as Maye forest farm at Sigou Township, the 4th commune of Fanrong village at Mawu Township and Shangshizi Shajin village at Mawu Township and their neighborhood in Min County, Gansu province. The wild A. sinensis only distributed in the Maye and Mayan forestry area of Min County and the distribution area was nearly 17.9 km² with about 1094.9 kg of medicinal materials reserves. There existed no difference in most botanical features between the wild and the cultivars, except for plant height, root size, root color and stem color. Compared to the cultivated A. sinensis plants, morphological parameters of the wild A. sinensis plants were significantly lower (P＜0.01). Leaf number, plant height, the fresh weight of the above ground parts, root diameter, the fresh and the dry weight of root of the wild A. sinensis plants were 64.7%, 64.5%, 47.6%, 28.6%, 26.2% and 38.1% of the cultivated ones dug at the same time, respectively. Disease investigation result showed that incidences of Ditylenchus destructor and other disease were 17.5% and 5.0% respectively in the cultivated A. sinensis plants, but none was found in the wild A. sinensis plants. The above results showed that the wild A. sinensis was valuable basic-materials to breed new A. sinensis varieties with disease resistance, although its productive performance was lower than that of the cultivars. It considered that to explore and protect the wild A. sinensis resources (especially in genuine producing area) is extremely important to breed new varieties of A. sinensis in the future. So it suggests that the related agency should make policy to protect the wild resources found in Min County as soon as possible.

CLC Number:

S567.23⁺9

ZHAO Rui-ming, CHEN Yuan, GUO Feng-xia, WANG Yang, ZHANG Shang-zhi, WANG Rui-qi. Comparative study on distributed feature of wild Angelica sinensis resources and the difference in growth characteristics with its cultivars native to Min County of Gansu[J]. Acta Prataculturae Sinica, 2014, 23(2): 29-37.

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