Abstract

Gastrodia elata, as the valuable Chinese medicinal material, has been used for more than 2 000 years in China. With the increasing market demand for G. elata, the traditional wild resources have been unable to transform into commodities. At present, local authorities give full play to the advantages of natural resources and vigorously cultivate G. elata to form the cultivation mode and technical system with local characteristics. Huanggang Comprehensive Experimental Station of National Technical System of Chinese Medicinal Materials Industry has optimized and summarized the paddy-upland rotation of G. elata-Oryza sativa in Dabie Mountains of Hubei province through field visits and guidance for four consecutive years. Based on the ecological adaptability and planting characteristics of G. elata and O. sativa, and the actual production experience of farmers, analyzed the principle of paddy-upland rotation from production environment selection and fungus treatment, and evaluated the paddy-upland rotation of G. elata-O. sativa from production status, ecological benefits, and economic benefits. The paddy-upland rotation of G. elata-O. sativa has achieved efficient cultivation of G. elata and produced considerable economic benefits. Through the summary, analysis, and evaluation of the paddy-upland rotation mode of G. elata-O. sativa in Dabie Mountains, the present study put forward the optimization strategy of cultivation technology for G. elata in low-altitude areas, i.e., to use artificial Armillaria sticks instead of traditional cut-log for substitute cultivation of G. elata, which can effectively alleviate the "bacteria-forest contradiction" arising from the cultivation of G. elata. It can also improve the ecological environment and production status of the Dabie Mountains and even the G. elata producing areas at the same altitude.

Full Text
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