[1]钟子龙,张小辉,王洪根,等.多花黄精根茎萌发新芽及生长习性研究[J].浙江林业科技,2024,44(02):63-67.[doi:10.3969/j.issn.1001-3776.2024.02.009]
　ZHONG Zilong,ZHANG Xiaohui,WANG Honggen,et al.Germination and Growth Traits of Polygonatum cyrtonema[J].Journal of Zhejiang Forestry Science and Technology,2024,44(02):63-67.[doi:10.3969/j.issn.1001-3776.2024.02.009]
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多花黄精根茎萌发新芽及生长习性研究()
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《浙江林业科技》[ISSN:1001-3776/CN:33-1112/S]

卷:
44
期数:
2024年02期
页码:
63-67
栏目:
出版日期:
2024-03-29

文章信息/Info

Title:
Germination and Growth Traits of Polygonatum cyrtonema
文章编号:
1001-3776（2024）02-0063-05
作者:
钟子龙; 张小辉; 王洪根; 邓娇梦; 毕雅莹; 戚伟尧; 唐昌贻; 范伟青
遂昌县自然资源和规划局，浙江 丽水 323300
Author(s):
ZHONG Zilong; ZHANG Xiaohui; WANG Honggen; DENG Jiaomeng; BI Yaying; QI Weiyao; TANG Changyi; FAN Weiqing
Suichang Natural Resources and Planning Bureau of Zhejiang, Suichang 323300, China
关键词:
多花黄精; 根茎; 萌发新芽; 生长习性; 研究
Keywords:
Polygonatum cyrtonema Hua;  rhizome;  germination;  new buds;  growth habits;  study
分类号:
S567.23
DOI:
10.3969/j.issn.1001-3776.2024.02.009
文献标志码:
A
摘要:
为探索黄精根茎萌发新芽及生长习性，研究黄精育苗技术，以多花黄精Polygonatumcyrtonema为试验材料，通过1~3年生完整的1节根茎和3年生1节根茎切成不同大小的根茎种块的育苗试验，研究切块的根茎生长习性。结果显示：切块根茎的新芽是从根茎表皮的皱纹处生发的，而且是先萌发新芽，后在新芽的基部长出新根，母根茎不长新根；带芽的母根茎，在下种当年的4月上旬开始出土，无芽的在下种的次年才能出土。1~3年生的根茎种块对发芽率和根长度没有影响，对株高生长的影响随着根茎年龄增长而增加。根茎种块的发芽率、高生长、根长度均随着切块数量增多而减少；将3年生1节根茎切成8块来繁育多花黄精苗木，可比用不切的能多培育出4.43倍的苗木。由此可见，多花黄精可以选择3年生的根茎切成种块进行苗木繁育。
Abstract:
In order to explore the sprouting and growth habits of Polygonatum sibiricum rhizome, and to study the seedling cultivation technology of Polygonatum sibiricum, Polygonatum cyrtonema Hua was used as the experimental material. Seedling cultivation experiments were conducted by cutting 1-3 year old complete 1 segment rhizome and 3-year old 1 segment rhizome into different sizes of Tuberous rhizome to study the growth habits of cut rhizomes.The results showed that the new buds of the cut rhizome grow from the wrinkles on the epidermis of the rhizome, and they first sprout new buds, and then new roots grow at the base of the new buds, while mother rhizome does not grow new roots. The mother rhizome with buds begins to be unearthed in early April of the year of sowing, while those without buds can only be unearthed in the following year of sowing. The 1-3-year old Tuberous rhizome had no effect on germination rate and root length, but their impacted on plant height growth increases with the age of rhizomes. The germination rate, height growth, and root length of rhizome seed blocks all decrease with an increase in the number of cut blocks;Cutting a 3-year-old rhizome into 8 pieces can breed multi flowered Polygonatum seedlings, which can produce 4.43 times more seedlings than using uncut ones. The germination rate, height growth, root length had negative relation with the number of segments from rhizome increased. Seedlings cultivated by 8 segments from one section of rhizome was 4.43 times of that by one section. From this, it can be seen that Polygonatum cyrtonema Hua can choose to cut 3-year-old rhizomes into blocks for seedling breeding.

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备注/Memo

备注/Memo:
收稿日期：2022-11-22；修回日期：2023-10-14
基金项目：丽水市高层次人才培养专项(2015RC02)；浙江省重点研发计划(2017C02012)
作者简介：钟子龙，高级工程师，从事森林培育研究与推广工作；E-mail:2765920048@qq.com。
通信作者：范伟青，高级工程师，从事森林培育研究和推广工作；E-mail:13506826403@139.com，
更新日期/Last Update: 2024-04-10