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研究了月见草种子渗漏物质的变化与种子老化之间的关系并藉此预测种子活力的方法。从不同年份月见草种子可溶性渗漏物质分析表明，种子浸泡液的茚三酮反应和电导率与种子发芽率显负相关。
The relationship between the changes of leaky material of seed and the seed aging was studied, and the seed vigor was predicted. Analysis of soluble leakage material of Oenothera biennis from different years showed that the ninhydrin reaction and conductivity of the seed soaking liquid were negatively correlated with the seed germination rate.