浙江农业科学 ›› 2026, Vol. 67 ›› Issue (5): 1203-1208.DOI: 10.16178/j.issn.0528-9017.20250262

• 根块茎类 • 上一篇    下一篇

佳芦1号芦笋四倍体诱变与初步鉴定

杨响响(), 张旭娟, 俞可欣, 施渭尧, 施建军()   

  1. 杭州佳惠农业开发有限公司,浙江 杭州 311228
  • 收稿日期:2025-04-02 出版日期:2026-05-11 发布日期:2026-05-12
  • 通讯作者: 施建军
  • 作者简介:施建军,E-mail:29251884@qq.com
    杨响响,从事芦笋育种研究。E-mail:2098860347@qq.com
  • 基金资助:
    浙江省农业新品种选育重大科技专项子课题(2021C02065-7-2);浙江省重大科技专项(202504)

Study on tetraploid mutagenesis and preliminary identification of asparagus Jialu 1

YANG Xiangxiang(), ZHANG Xujuan, YU Kexin, SHI Weiyao, SHI Jianjun()   

  1. Hangzhou Jiahui Agriculture Development Co. ,Ltd. ,Hangzhou 311228,Zhejiang
  • Received:2025-04-02 Online:2026-05-11 Published:2026-05-12
  • Contact: SHI Jianjun

摘要:

为获取四倍体芦笋新种质,本研究以二倍体芦笋佳芦1号(2n = 20)为试验材料,采用体积分数为0.2 %的秋水仙素溶液(含2%二甲基亚砜)对佳芦1号露白种子分别进行16、32和48 h处理,并通过流式细胞仪和形态学观察对变异株进行倍性鉴定。结果显示,3个处理的四倍体诱导率均大于10.00%,其中以0.2%秋水仙素处理32 h的诱导效果最佳,诱导率达到15.67%。与二倍体相比,四倍体芦笋植株形态特征为茎秆变粗、叶长增加、节间距变短。在细胞学方面表现为气孔变大、气孔密度降低、保卫细胞变大,说明成功获得了四倍体佳芦1号芦笋植株,为后续芦笋育种提供了新种质。

关键词: 芦笋, 秋水仙素, 四倍体诱变, 四倍体筛选

Abstract:

In order to obtain new tetraploid asparagus germplasm,this study used diploid asparagus Jialu 1(2n = 20)as the experimental material,and treated the exposed white seeds of Jialu 1 with 0.2% colchicine(containing 2% DMSO)for 16,32 and 48 h,respectively,and identified the ploidy of the mutants by flow cytometry and morphological observation. The results showed that the tetraploid induction rates of the three treatments were greater than 10.00%. Among them,the induction effect of 0.2% colchicine treatment for 32 h was the best,with an induction rate of 15.67%. Compared with diploid plants,tetraploid asparagus plants exhibited morphological characteristics such as thicker stems,longer leaves,and shorter internodes. In terms of cytology,the stomata was enlarged,the stomatal density was reduced,the guard cells were enlarged,indicating that the tetraploid Jialu 1 asparagus plants had been successfully obtained,which could provide new germplasm for subsequent asparagus breeding.

Key words: asparagus, colchicine, tetraploid mutagenesis, tetraploid screening

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