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不同生长年限及生长环境下黄芪种子品质评价研究

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为探究不同生长年限(三年生、四年生、五年生)及生长环境(野生阳坡、野生阴坡、人工阳坡、人工阴坡)对黄芪种子抗氧化酶活性及内源性营养物质含量的影响,本研究以不同生长年限及生长环境下蒙古黄芪种子为试验材料,测定其抗氧化酶(SOD、POD、CAT)活性、过氧化氢酶(CAT)活性、丙二醛(MDA)含量以及可溶性糖、粗脂肪、蛋白质含量等指标,对黄芪种子品质进行评价分析.结果表明,蒙古黄芪种子随着生长年限的增加,其抗氧化酶(SOD、POD、CAT)活性呈增长趋势,MDA含量呈下降趋势,内源性营养物质呈上升趋势;野生黄芪种子的抗逆性要优于仿野生黄芪;阳坡种植的黄芪种子品质优于阴坡;蒙古黄芪种植留种宜选择四年生、五年生阳坡植株,其中野生黄芪最佳.
Study on Seed Quality Evaluation of Astragalus membranaceus in Different Growing Years and Growing Environments
To explore the effects of different growth years(three years,four years,five years)and growth environment(wild sunny slope,wild shade slope,artificial sunny slope,artificial shade)on the Astragalus membranaceus seed antioxidant enzyme activity and endogenous nutrient content.In this study,Astragalus membranaceus var.mongholicus were used as experimental materials in differ-ent growing years and growing environments,and antioxidant oxidase(SOD,POD,CAT)activity,catalase(CAT)activity,malonaldehyde(MDA)content,soluble sugar,crude fat,protein content and other indexes were determined to evaluate and analyze the seed quality of Astragalus membrana-ceus seeds.The results showed that the activities of antioxidant enzymes(SOD,POD,CAT)increased,the content of MDA decreased,and the endogenous nutrients increased with the growth of Astragalus membranaceus var.mongholicus seeds.The stress resistance of wild Astragalus membra-naceus seed was better than that of imitation wild Astragalus membranaceus.The seed quality of Astragalus membranaceus planted on the sunny slope was better than that on the negative slope.Astragalus membranaceus var.mongholicus planting retention should choose four or five years of yang-slope plants,among which wild Astragalus membranaceus var.mongholicus was the best.

Astragalus membranaceus var.mongholicusgrowth yearsplanting patternseed quality

左敏、王慧杰、李广信、白娟、左静静

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山西农业大学农学院,太原 030031

蒙古黄芪 生长年限 种植模式 种子品质

山西省基础研究计划资助项目国家重点研发计划资助项目山西农业大学学术恢复科研专项项目山西省现代农业产业技术体系建设专项寿阳县科技重点研发计划山西省深度贫困县科技精准扶贫专项

2023030212121062019YFC17108002020xshf052021-11Y220022019FP-03

2024

10.16590/j.cnki.1001-4705.2024.07.105

种子
贵州省种子管理站 贵州省种子学会 中国种子协会

种子

CSTPCD北大核心
影响因子：0.502
ISSN：1001-4705
年,卷(期)：2024.43(7)
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