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Effects of Plant Retardant on the Growth and Preservation of Virus-Free Potato Plantlets
Pages: 514-517
Year: Issue:  5
Journal: JOURNAL OF HUNAN AGRICULTURAL UNIVERSITY(NATURAL SCIENCES)

Keyword:  马铃薯试管苗植物生长调节剂保存PP333CCCPix;
Abstract: 为培育马铃薯健壮试管苗和长期保存马铃薯种质资源,以马铃薯脱毒试管苗为材料,比较了不同质量浓度的PP333(多效唑),CCC(矮壮素)和Pix(缩节胺)对马铃薯试苗生长和保存的作用.结果表明:培养基中CCC质量浓度为200.00 mg/L,Pix质量浓度为30.00~90.00 mg/L时适合于培养壮苗;培养基中PP333质量浓度为0.15~1.20 mg/L时对增加马铃薯的节位、茎粗效果明显,但叶片过大、气生根过多而易出现早衰;培养基中CCC质量浓度为1 200.00 mg/L,PP333质量浓度为4.80 mg/L时,马铃薯脱毒试管苗保存时间最长可以达到300 d.
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