|Table of Contents|

Induction and Preliminary Identification of Pinellia ternata (Thumb.) Breit Polyploids by Colchicine Immersion

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2025年9
Page:
18-24
Research Field:
Publishing date:

Info

Title:
Induction and Preliminary Identification of Pinellia ternata (Thumb.) Breit Polyploids by Colchicine Immersion
Author(s):
ZHU Qingsong1; ZHAO Haiying2; LIU Songhu1
(1.College of Horticulture,Xinyang Agriculture and Forestry University，Xinyang，Henan 464000；2.Xinyang City Academy of Agricultural Sciences，Xinyang，Henan 464000)
Keywords:
Pinellia ternata(Thumb.) Breit; colchicine; polyploids; soaking method
PACS:
S 567.239
DOI:
10.11937/bfyy.20243715
Abstract:
Taking Pinellia ternata as experimental material,colchicine immersion method was adopted，the effects of different concentrations of colchicine and different treatment times on the survival and induction rates of polyploids of Pinellia ternata were studied，in order to provide reference for the breeding research of Pinellia ternata polyploids.The results showed that the optimal treatment conditions for obtaining Pinellia ternata polyploids by colchicine immersion method were at 25 ℃，with 0.06% colchicine treatment for 4 days.Microscopic observation revealed that the treated Pinellia ternata polyploids exhibited different levels of chromosome doubling，increased stomatal size，and decreased stomatal density.Compared with the control group，the leaves of the Pinellia ternata polyploid plants were thicker，the plants were sturdier，and the plant height，petiole diameter，leaf size，and the diameter and weight of the progeny tubers were significantly increased.

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Last Update: 2025-05-16