维生素吡咯喹啉醌对水芹种子萌发的生理效应
Physiological effects of vitamin pyrroloquinoline quinone on the germination of cress seeds
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摘要: 研究了不同质量浓度(4 μg/mL,8 μg/mL,12 μg/mL和16 μg/mL)的吡咯喹啉醌(PQQ)对水芹种子萌发过程的影响,结果表明:在PQQ的作用下,水芹种子的发芽率、发芽势、发芽指数和呼吸强度均随着PQQ质量浓度的增加而提高,其中质量浓度为16 μg/mL的PQQ浸种效果最佳,PQQ具有促进水芹种子萌发的生理效应;PQQ的作用对水芹种子中淀粉酶活力影响不大,对脂肪酶和过氧化物酶活力有着明显的增强作用.Abstract: The effects of pyrroloquinoline quinone (PQQ) at different mass concentrations (4 μg/mL, 8 μg/mL, 12 μg/mL and 16 μg/mL) on the germination process of cress seeds were studied. The results showed that the germination rate, the germination potential, the germination index and the respiration rate of cress seeds increased with PQQ's concentration. The PQQ had the best seed soaking effect when the concentration was 16 μg/mL. The PQQ could promote the germination of cress seeds. The PQQ had little effect on the amylase activity in cress seeds, and it had a significant enhancement effect on lipase and peroxidase enzyme activities.
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Key words:
- pyrroloquinoline quinone /
- cress /
- seed germination /
- physiological effect
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