不同采收期对秦艽种子发芽率与发芽势的影响
Agricultural Development and Equipments(2016)
Abstract
通过对3年生不同采收期的秦艽种子的发芽率及发芽势进行研究.结果表明,秦艽鲜种子发芽率和发芽势均随种子采收期的延迟而表现出前期低,中期高,后期又略有降低的趋势.秦艽以开花后24~32天采收的鲜种子发芽率极显著高于其他采收期的发芽率,分别为65.3%与64%,32天采收发芽势最高,为44%,极显著高于其他采收期的发芽率.因此,以新鲜秦艽种子为播种材料时,以开花后24~32天采收为最适.
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