|Table of Contents|

Effects of Different Factors on Seed Germination and Seedling Growth of Rheum officinale

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2024年20
Page:
91-99
Research Field:
Publishing date:

Info

Title:
Effects of Different Factors on Seed Germination and Seedling Growth of Rheum officinale
Author(s):
WANG Fanfan12TANG Tao1ZHANG Luna1ZHANG Libin3DUAN Yuanyuan12YOU Jingmao12
(1.Institute of Chinese Herbel Medicine,Hubei Academy of Agricultural Science/Key Laboratory for Biology and Cultivation of Chinese Medicinal Materials of Ministry of Agriculture and Rural Affairs/Hubei Standardized Production of Traditional Chinese Medicine (GAP) Engineering Research Center;2.Hubei Provincial Engineering Research Center of Under-forest Economy,Hubei Academy of Agricultural Science;3.Bureau of Science and Technology of Enshi Tujia and Miao Autonomous Prefecture)
Keywords:
Rheum officinaleseedingsoaking timewater contentphytohormone
PACS:
S 35
DOI:
10.11937/bfyy.20241227
Abstract:
Taking three-year-old seeds of Rheum officinale as the test materials,orthogonal experimental method with three factors and four levels was conducted to study the effects of soaking time,substrate water content and hormones on seed germination and seedling characteristics,in order to provide reference for the standardization and scale development of seedling breeding of R.officinale.The results showed that the seed emergence rate was the best when the soaking time was 6 hours and the substrate water content was 70%.The seedling leaf area,plant height,aboveground weight and fresh weight of T16 (24 hours,70%,gibberellic acid) were the best.T8 (12 hours,70%,IAA) had the best stem diameter and soluble protein content in leaves.The root length and leaf peroxidase activity treated with T7 (12 hours,60%,salicylic acid) were the best.The content of malondialdehyde in leaves treated with T10 (18 hours,50%,salicylic acid) was the best.Superoxide dismutase activity of seedling leaves treated with T5 (12 hours,40%,6-BA) was the best.The results of correlation analysis and range analysis showed that the best theoretical scheme for seedling breeding of R.officinale was soaking seeds for 18 hours,maintaining 70% water content and spraying salicylic acid.

References:

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Last Update: 2024-10-29