|Table of Contents|

Effects of Water Stress on the Growth and Physiological Characteristics of Potentilla anserina L.During the Seedling Stage

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2026年3
Page:
33-43
Research Field:
Publishing date:

Info

Title:
Effects of Water Stress on the Growth and Physiological Characteristics of Potentilla anserina L.During the Seedling Stage
Author(s):
ZHANG Wenlian1; 2; 3; LI Junqiao1; 2; 3; MENG Qingyi1
(1.College of Ecology and Environment,Qinghai Nationality University/Tibetan Plateau Juema Industry Research Institute，Xining，Qinghai 810007;2.Key Laboratory of High-value Utilization of Characteristic Economic Plants in Qinghai Province，Xining，Qinghai 810007;3.Laboratory of Germplasm Resources Research and Utilization on Qinghai-Tibet Plateau，Xining，Qinghai 810007)
Keywords:
Potentilla anserina L.; water stress; agronomic traits; plant hormones; antioxidant enzyme
PACS:
S853.75
DOI:
10.11937/bfyy.20252457
Abstract:
Potentilla anserina L.(Rosaceae) was used as the test material to investigate the effects of drought and waterlogging stress on the physio-ecological characteristics of its seedlings.A gradient water stress system (10%-50% soil water content) was established using the pot weighing method，in order to provide a reference for vegetation restoration and stress-resistant cultivation in alpine swamp wetlands.The results showed that mild to moderate drought (20%-30% soil water content) induced increases in superoxide dismutase (SOD，287.85 U·g-1) and peroxidase (POD，162.06 U·g-1) activities，alleviated membrane lipid peroxidation (malondialdehyde (MDA) content was 64.4% lower than under severe drought)，and promoted compound leaf development.Under waterlogging conditions (50% soil water content)，indole-3-acetic acid (IAA) content increased significantly (by 242.1%)，driving stem and leaf elongation，while severe drought (10% soil water content) led to the accumulation of abscisic acid (ABA，increased by 30.05 μg·g-1) and proline (increased by 177.5%)，inhibited gibberellin (GA3) activity (reduced by 71.3%)，and thereby reduced water consumption.Over time，the stress response mechanisms showed dynamic shifts，the early stage was dominated by the antioxidant enzyme system，the middle stage saw enhanced hormonal regulation，and the late stage was characterized by the accumulation of osmotic adjustment substances as the key response strategy.

References:

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Last Update: 2026-02-24