Xinjiang Agricultural Sciences ›› 2025, Vol. 62 ›› Issue (4): 869-875.DOI: 10.6048/j.issn.1001-4330.2025.04.010

• Crop Genetics and Breeding · Cultivation Physiology · Physilolgy and Biochemistry • Previous Articles     Next Articles

Effects of different substrates, cuttings densities and times of fertilizers on micropotato production

YANG Ruwei(), LIU Yi(), Gulimila Rehemutula, SUN Hui, JIANG Yinghong   

  1. Urumqi Comprehensive test station,Xinjiang Uygur Autonomous Region Academy of Agricultural Sciences,Urumqi 830012,China
  • Received:2024-09-10 Online:2025-04-20 Published:2025-06-20
  • Supported by:
    "Research on Key Technologies for Improving Quality in Xinjiang"(2022B02044);The Major Scientific R & D Program Project of Xinjiang Uygur Autonomous Region "Xinjiang Potato Germplasm Resource Innovation and De-toxification Seed Potato Breeding Technology Research and Application"(2022B02044-1)

不同基质、扦插密度及追肥次数对马铃薯微型薯生产的影响

杨茹薇(), 刘易(), 古丽米拉·热合木土拉, 孙慧, 江应红   

  1. 新疆维吾尔自治区农业科学院乌鲁木齐综合试验站,乌鲁木齐 830012
  • 通讯作者: 刘易(1983-),男,河北保定人,研究员,研究方向作物栽培育种,(E-mail)414002880@qq.com
  • 作者简介:杨茹薇(1984-),女,宁夏灵武人,研究员,研究方向植物保护,(E-mail)617950493@qq.com
  • 基金资助:
    新疆维吾尔自治区重点研发项目“新疆马铃薯产业提质增效关键技术研究”(2022B02044);新疆维吾尔自治区重点研发项目“新疆马铃薯种质资源创新及脱毒种薯繁育技术研究与应用”(2022B02044-1)

Abstract:

【Objective】 Study on the influence of different key factors in the production of miniature potatoes. 【Methods】 The test-tube seedlings of potato detoxification seedling Chaohe 15 was taken as the test material, the three-factor split-area design of substrate, cutting density and the number of times of fertilizers were adopted to study the effects of various factors and their interactions on the potato miniature potato multiplication, and the method of the subordinate function was used to make a comprehensive evaluation of the production effect of various treatment combinations. 【Results】 In the two-factor interaction, substrate type×cuttings density had the greatest effect on yield traits, with highly significant differences in the number of large potatoes, effective potato yield, large potato yield, and total yield; substrate type×fertilizer number only had a significant effect on the number of single-planted potatoes and the number of effective potatoes; and cuttings density×fertilizer number had a non-significant effect on each yield trait. In the three-factor interaction, except for the significant difference in the number of large potatoes, the differences in the other indicators did not reach the significant level. 【Conclusion】 The comprehensive evaluation of the affiliation function shows that the A2B2C3 combination has the largest affiliation value, and the combination of substrate of vermiculite: grass charcoal as 1:1 mixed substrate, plant spacing of 5 cm×8 cm, and the 4 times of fertilization has the largest average affiliation function value (0.806), of which the plant height affiliation function value is the best among all combinations, with the yield of effective potatoes 0.990, the yield of large potatoes 0.903, and stem thickness 0.792, which is the optimal combinations for the production of the original seed of Chaohe 15.

Key words: potato miniature potatoes; substrate; cuttings density; fertilization

摘要:

【目的】分析微型薯生产环节不同关键因素对马铃薯种薯繁育的影响,为超荷15号微型薯生产的最优组合。【方法】以马铃薯脱毒苗超荷15号试管苗为材料,采用基质、扦插密度及追肥次数三因素裂区设计,研究各因素及其交互作用对马铃薯微型薯繁育的影响,并运用隶属函数法综合评价各处理组合的生产效果。【结果】在两因素交互作用中,基质类型×扦插密度对产量性状影响最大,大薯结薯数、有效薯产量、大薯产量和总产量为极显著差异;基质类型×追肥次数仅对单株结薯数、有效结薯数有显著影响;扦插密度×追肥次数则对各产量性状影响不显著。在三因素交互作用中,除大薯结薯数差异显著外,其余指标差异均未达显著水平。【结论】A2B2C3组合的隶属性值最大,组合为蛭石∶草炭为1∶1的混合基质、株行距为5 cm×8 cm、追肥次数为4次,平均隶属函数值最大(0.806),其中株高隶属函数值在所有组合中表现最佳,有效薯产量(0.990)、大薯产量(0.903)和茎粗(0.792)。

关键词: 马铃薯微型薯, 基质, 扦插密度, 追肥

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