供求关系和价格变动直接影响制种面积、品种的分布；
Supply-demand relation and price changes directly influence breeding area and variety distribution.
这为今后龙蒿的育种研究和制种提供了理论依据，也为大面积栽培提供了指导。
Artemisia dracunculus this for the future of research and seed breeding provides a theoretical basis, as well as the cultivation area to provide guidance.
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