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Abstract ▼ AI-Helper

The experiment was conducted to investigate the effect of water stress on yield and quality of Ligusticum chuanxiong Hort. The water stress treatment was imposed artificially on seedling, flowering and rhizome enlargement stage of the plant. The root yield rate decreased to 19.1%, 18.2% and by the w...

The experiment was conducted to investigate the effect of water stress on yield and quality of Ligusticum chuanxiong Hort. The water stress treatment was imposed artificially on seedling, flowering and rhizome enlargement stage of the plant. The root yield rate decreased to 19.1%, 18.2% and by the water stress treatment at rhizome enlargement, seedling and flowering stage, respectively. Portion of the products having commercial quality grade (above 20g of rhizome weight) was 93.4% at control plot, while it was 85%, 81.7% and 78.3% when stressed for water at seedling, flowering and root enlargement stage, respectively. Content of extract was the higher in the order of control, water stressed at rhizome enlargement, flowering and the seedling stage. Postive correlationship was found between yield of rhizome and rootlet yield or economic production ratio, and between dry weight of stem and rootlet yield.

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