不同生境中银胶菊种群数量及其种群形成原因研究

Weed Science(2012)

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Abstract
银胶菊在路边、沟渠边、荒地、林地中发生较普遍,种群数量较大,其种子多集中于表土层。农田、果园中银胶菊发生面积较小,种群数量较少,其种子多集中在表土下1.5~10 cm处。银胶菊种子在土表0~0.5 cm处出苗率较高,而埋深1.5 cm以下,种子不能发芽出土。
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Key words
soil deepness,Parthenium hysterophorus L.,population
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